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MOTOFOCUS
Products
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Astro-Physics
2.7" & 4" Focusers
Apogee
6" Newtonian; Astro-Physics 2.7" &
4" focusers, StarFire
MFAP27
$169.00
Buy Now |
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Celestron
SP6
Celestron
Comet Catcher, SP6
MFSP6
$169.00
Buy Now |
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MOTOFOCUS for Celestron
SP6
Celestron Comet Catcher, SP6
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The unit is mounted with the attached
bracket. The o-ring coupler slides over the focusing knob. This
picture shows the MOTOFOCUS mounted on the Celestron
SP6 focuser hardware. |
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Celestron
C8
See Complete List of
Equipment at Right
MFC8
$169.00
Buy Now |
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MOTOFOCUS for Celestron C8
Celestron early C5 (dual fork arm), C8,
C8+, C8-S, C8-SGT, Classic 8, Celestar 8, CGE 800, G-8, Great Polaris C8,
NexStar 8 GPS, Polaris C8, Powerstar 8, Super C8, Super C8+, Super Polaris C8,
Ultima 8, Ultima 2000
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Celestron
9¼" SCT
See Complete List of
Equipment at Right
MFC9
$169.00
Buy Now |
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MOTOFOCUS for Celestron
9¼"
SCT
Celestron C9¼-S, C9¼-SGT, CG-9¼, CGE
925, G-9¼, NexStar 9¼ GPS, Ultima 9¼
| NOTE |
Due to changes in
Celestron 9¼ inch telescopes, please verify the
correct MOTOFOCUS part number using the following chart:
| Identifying the
Correct MOTOFOCUS for a Celestron 9¼" SCT
(Chart 1) |
| Part No. |
Style |
Identifying Characteristics |
|
MFC9 |
Classic |
Rectangular
plate (scope housing) at base of focus knob |
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MFC9 |
NexStar |
Rectangular
plate
(scope housing) at base of focus knob |
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MFC8 |
CPC |
Orange Ring
(scope housing) at base of focus knob |
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The picture at left shows the MOTOFOCUS for
Celestron's Classic and NexStar type 9¼ SCT ready for installation.
Except for the cavity where the knob resides, this is a typical SCT MOTOFOCUS
installation.
|
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These pictures show the steps to install the
Celestron 9¼ SCT MOTOFOCUS.
1) Remove the original focus knob and cover plate (top left). 2)
Install the replacement knob (top right). 3) Install the replacement
cover plate and attached collar (bottom left). 4) Place the motor
sleeve over the collar and tighten the thumb screw (bottom right).
5) Plug in the hand unit and you are ready to go. It's that
easy! |
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Celestron
C11/C14
See Complete List of Equipment at Right
MFC11
$169.00
Buy Now |
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MOTOFOCUS for Celestron
C11/C14
Celestron C11, CG-11, CM-1100, Ultima 11, C14, CG-14, CM-1400, CM-1400GT
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NOTE |
The
Celestron NexStar 11
and CGE 1100 do NOT use Classic
C11
style optical tubes. For MOTOFOCUS for the NexStar
11 and CGE 1100 see
MOTOFOCUS
for Celestron NexStar 11 GPS below. To verify which MOTOFOCUS version
you need, check the knob ID against the following chart:
| Identifying the
Correct MOTOFOCUS for a Celestron 11" SCT (Chart 2) |
| Part No. |
Style |
Identifying Characteristics |
Knob ID |
|
MFC11 |
Classic |
Classic Orange or
Black OTA |
19mm
(0.748") |
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MFCPC11 |
CPC |
Orange Ring
at base of focuser knob |
21.8mm
(0.858") |
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MFNEX11 |
NexStar |
Gray Carbon
Fiber OTA |
22.8mm
(0.898") |
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Celestron
CGE 1400
MFCGE14
$169.00
Buy Now |
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Celestron
CPC 800
Celestron CPC 800 GPS,
CPC 925 GPS
MFC8
$169.00
Buy Now |
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MOTOFOCUS for Celestron
CPC
800
Celestron C9¼-SGT XLT, CGE PRO 925 HD, CGEM 800 HD, CGEM 925 HD, CPC 800 GPS, CPC 925 GPS
| NOTE |
See Chart 1
above if you have questions about this being the correct product. |
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Celestron
CPC 1100
CPC 1100 GPS
MFCPC11
$169.00
Buy Now |
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MOTOFOCUS for Celestron
CPC
1100
Celestron CGE PRO 1100 HD, CGEM 1100
HD, CPC 1100 GPS
| NOTE |
See Chart 2
above if you have questions about this being the correct product. |
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Celestron
NexStar 4
Celestron NexStar 4 / 4GT / 4 SE
MFNEX4
$169.00
Buy Now |
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MOTOFOCUS for Celestron
NexStar 4
Celestron NexStar 4 / 4GT / 4 SE
| NOTE |
MOTOFOCUS for the Celestron NexStar 4 uses
a miniature motor and drive belt. |
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Celestron
NexStar 5/8
(Single Fork Arm)
Celestron NexStar 5 / 5i / 8 (non-GPS) / 8i / 8i (XLT)
MFNEX5
$169.00
Buy Now |
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MOTOFOCUS for Celestron
NexStar 5 / 8 (Single
Fork Arm)
Celestron NexStar 5 / 5i /
8 (non-GPS) / 8i / 8i (XLT)
| NOTE |
This MOTOFOCUS unit is compact using a
miniature motor and drive belt. The
pictures show partial installation of the NexStar MOTOFOCUS (top left), o-ring
and replacement knob installed (top right), side view (bottom left) and completed
installation (bottom right). |
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Celestron
NexStar 6 SE
Celestron C6-SGT, NexStar 5 SE / 6 SE / 8 SE, Omni 127
MFNEX6
$169.00
Buy
Now |
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MOTOFOCUS for Celestron
NexStar 6
SE
Celestron C6-SGT, NexStar 5 SE
/ 6
SE / 8
SE, Omni 127
| NOTE |
MOTOFOCUS for the Celestron NexStar 5", 6" and
8" SE uses a miniature motor in a very small package. |
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Celestron
NexStar 11 GPS
Celestron C11-SGT, CGE 1100, NexStar 11 GPS
MFNEX11
$169.00
Buy Now |
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MOTOFOCUS for
Celestron
NexStar
11 GPS Celestron C11-SGT,
CGE 1100, NexStar
11 GPS
| NOTE |
See the Chart 2
above if you have questions about this being the correct product. |
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Celestron
Onyx
Celestron Onyx 80EDF
MFONYX
$169.00
Buy Now |
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MOTOFOCUS for
Celestron Onyx
Celestron
Onyx 80EDF
| NOTE |
MOTOFOCUS for the Celestron Onyx 80EDF uses a
miniature motor. |
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Celestron
Refractors
See Complete List of Equipment at Right
MFCREF
$169.00
Buy Now |
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MOTOFOCUS for Celestron Refractors
Celestron C4-R, C4.5, C6-N, C6-R, C6-RGT,
C8-N, C8-NGT, C10-N, C10-NGT, C60, C70, C100, C102, CR-150, Firstscope 80 (not
114), G8-N, NexStar 80 (not 114), Super Polaris 80 / 102
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GSO
Crayford Focusers
(Without Microfocuser)
Configuration TWO*
MFGSO2
$169.00
Buy Now |
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Konus
Konusky-150
Konus Konusky-150, (Konusuper-120?)
MFCREF
$169.00
Buy Now |
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Meade
ETX
Meade ETX-90, ETX-105, ETX-125 (Original, EC and PE versions)
MFETX
$169.00
Buy Now |
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MOTOFOCUS for Meade
ETX
Meade ETX-90
(non-EC version), ETX-90EC, ETX-90PE, ETX-105EC, ETX-105PE, ETX-125EC, ETX-125PE
MOTOFOCUS is especially important for the ETX
when viewing near Zenith (in Alt-Az mode) because it is very hard to reach the
focus knob at this position. We use miniature motors (motor and gear box
size is 1" x 0.5" x 0.375"!) for a very small package.
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The hand unit cord is plugged into the side
of the miniature motor assembly.
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The MOTOFOCUS hardware does not interfere
with vertical operation at Zenith
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Meade
Lightbridge
Single-Speed Focuser
MFGSO2
$169.00
Buy Now |
Meade
Lightbridge
Dual-Speed Focuser
MFGSO4
$169.00
Buy Now |
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MOTOFOCUS for
Meade
LightBridge Meade Lightbridge
8" / 10" / 12" / 16"; GSO
M-CRF230 Dual-Speed Focuser with microfocus
Single-Speed Crayford Focuser, Part Number MFGSO2
Dual-Speed Crayford Focuser, Part Number MFGSO4
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Meade
ETX-LS 6"
Meade LS-6, LS-8
MFLS6
$169.00
Buy Now |
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MOTOFOCUS for
Meade
ETX-LS 6" Meade
ETX-LS 6", LS-6, LS-8
|
NOTE |
Please see Chart 3 below
to verify that you are selecting the correct MOTOFOCUS. |
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MOTOFOCUS on Meade ETX-LS 6" Telescope |
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Meade
Cassegrain (Using Meade Hand Unit)
Meade LX5, LX6, LX100, LX200 (non-GPS), Premier
MFLX200
$129.00
Buy Now |
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MOTOFOCUS for Meade
Cassegrain (using Meade focus control hand unit)
Meade LX5,
LX6, LX100, LX200
(non-GPS versions), Premier
This product is the same as the MOTOFOCUS
below
except that no JMI hand unit is included. The motor is
equipped with a built-in variable-speed adjustment.
|
NOTE |
Please see Chart 3 below
to verify that you are selecting the correct MOTOFOCUS. |
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NOTE |
This product (part number MFLX200)
does NOT work with the Meade
LX200GPS. Please see MOTOFOCUS
for Meade LX200 GPS below.
This MOTOFOCUS unit plugs into the
telescope base allowing control from the Meade hand unit, with the following
restrictions: Our hand units include an electronic brake which stops the
motor as soon as you quit pressing the keys. Meade systems do not include
this brake. Older LX200 telescopes do not have enough power on the low
setting to run a MOTOFOCUS unit. The high setting works fine and you can
vary the speed using the variable-speed feature of the MOTOFOCUS unit itself.
This is a Push-On style
MOTOFOCUS designed for the Meade Cassegrain with a factory hand control. A special collar
is attached. The sleeve of the MOTOFOCUS goes over the collar where a thumb screw holds it in place. Inside the
sleeve a coupler with an internal o-ring slides over the replacement knob. This
coupler is what turns the knob. The LX hand unit will control the JMI
MOTOFOCUS.
After initial installation it can be removed and reinstalled in just seconds.
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Meade
Cassegrain (Using JMI Hand Unit)
See Complete List of
Equipment at Right
MFLX2
$169.00
Buy Now |
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MOTOFOCUS for Meade
Cassegrain (using JMI focus control hand unit)
Meade 203SC, 2080 (8") and 2120
(10") Optical Tube (Basic, GEM, LX2, LX3, MTS), LX10, LX50, LX90, LX90-ACF,
LX90GPS 8" / 10" / 12", LXD55
SC-8, LXD75 SC-8
This product is the same as the MOTOFOCUS
above except that a JMI hand unit is included.
|
NOTE |
Please see Chart 3 below
to verify that you are selecting the correct MOTOFOCUS. |
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Meade
LX200GPS
See Complete List of
Equipment at Right
MFLXGPS
$169.00
Buy Now |
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MOTOFOCUS for
Meade
LX200GPS
Meade
LX200GPS 8" / 10" /
12" / 14" / (16" ?),
LX200R 8" / 10" / 12" / 14" (16" ?)
|
NOTE |
The MOTOFOCUS for the Meade LX200GPS
includes a JMI hand unit since the Meade Microfocuser plugs into the
base unit. |
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NOTE
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Some
Meade SCTs are not consistent in the style of focusing knob installed
on the scope. To verify which MOTOFOCUS version you need, please check the
knob style against the following chart:
| Identifying the
Correct MOTOFOCUS for Certain Meade SCTs (Chart 3) |
| Part No. |
Knob Style* |
Identifying
Characteristics* |
Hand Unit |
|
MFLX2 |
Round |
Cylindrical
Focusing Knob |
Yes |
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MFLX200 |
Round |
Cylindrical
Focusing Knob |
No |
|
MFLXGPS |
Hexagonal |
Six-sided
Knob with Three Flat Sides |
Yes |
|
MFLS6 |
Round |
Cylindrical
Focusing Knob |
Yes |
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* See the picture at left to identify the Round Knob (left) vs. somewhat
Hexagonal Knob (right). The hexagonal knob has three flat "sides."
The other "sides" are curved. |
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Meade
LXD75 SN Reflectors
Meade LXD55 / LXD75
SN-6 / SN-8 / SN-10
MF55L
$169.00
Buy Now |
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Meade
LXD75 Refractors
Meade LXD55 / LXD75
AR-5 / AR-6
MF55R
$169.00
Buy Now |
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Meade
ED APO Refractors
80mm / 127mm (with Crayford focuser)
MFMCRAY
$169.00
Buy
Now |
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MOTOFOCUS for Meade ED APO Refractors
Meade Series 5000 ED APO Refractors 80 / 127
(with Crayford focuser)
 |
This
picture shows a Meade
80mm Series 5000 ED APO Refractor (GSO Crayford forcuser) with MOTOFOCUS
attached
(uses miniature motor). |
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Meade
Starfinder
See Complete List of
Equipment at Right
MFCREF
$169.00
Buy Now |
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MOTOFOCUS for Meade
Starfinder
Meade Starfinder German equatorial 6 / 8
/ 10 (metal focuser), Starfinder Dobsonian 6 / 8 / 10 / 12.5 / 16, Meade #71 /
#77 focusers.
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Orion
Crayford Focuser
(Single-Speed Version)
See Complete List of Equipment at Right
MFOCRAY
$169.00
Buy Now |
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MOTOFOCUS for Orion
Crayford Focuser
(With Single-Speed Knobs)
Orion ED80 / ED100
Apo Refractors, SkyQuest XT8 / XT10 / XT12 (with Crayford focuser), SkyView Pro 8 EQ / 80 EQ / 100
EQ
| NOTE |
The Orion 80mm and 100mm ED Apochromatic
Refractors use a Crayford focuser. Our MOTOFOCUS unit designed for
the Orion Crayford focuser, includes a mounting bracket, miniature motor,
two gears, hand unit (not shown) and power cord (not shown). The
motor can be easily disengaged for manual focusing. This model will
not work on the Dual Speed version. |
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Orion
Rack-and-Pinion Focusers
See Complete List of Equipment at
Right
MFCREF
$169.00
Buy Now |
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MOTOFOCUS for Orion
Rack-and-Pinion
Focusers
Orion Astroview 120 (formerly Skywatcher
120), ShortTube 80 / 90, SkyQuest XT4.5 / XT6 / XT8 / XT10
(with rack-and-pinion focuser), SkyView Deluxe 4.5
EQ / 6 EQ / 8 EQ, SkyView Pro 6 EQ / 6LT EQ / 8 EQ / 100 EQ / 120 EQ, VX80,
VX102 GP
Fits on Orion's 1.25" and 2"
rack-and-pinion focusers manufactured by Vixen.
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Orion
StarMax 127
Orion StarMax 127
MFOSM
$169.00
Buy Now |
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MOTOFOCUS for Orion
StarMax 127
Orion StarMax 127
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This picture shows the parts for
Orion StarMax 127 MOTOFOCUS (including
a miniature motor shown at top left in the picture). |
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Sky Instruments
Antares 120
Sky Instruments Antares
120
MFCREF
$169.00
Buy Now |
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Starlight Instruments
Feather Touch Focusers
See Complete List of
Equipment at Right
MFFT
$209.00
Buy
Now |
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MOTOFOCUS for Starlight
Instruments Feather Touch Focusers
Starlight Instruments Feather Touch
FTF2015(B) / FTF2020(B) / FTF2025(B), SCT Micro; Stellarvue Refractors
with 2" Feather Touch Focuser (80ED Deluxe, SV102ED with optional Feather
Touch,
SV80S, SV90T, SV4, SV115T, SV115T20)
| NOTE |
The slow motion knob can still be used
for manual focusing without removing the miniature motor. |
 |
Our MOTOFOCUS fits the Feather Touch SCT
Micro (Feather Touch replacement for an SCT focusing knob).
Photo courtesy of Patrick Rian. |
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Synta
Sky-Watcher
Maksutov
Synta Sky-Watcher
127 Maksutov Focuser
MFOSM
$169.00
Buy Now |
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Synta
Sky-Watcher
Rack-and-Pinion
Synta Sky-Watcher Rack-and-Pinion Focuser
MFCREF
$169.00
Buy Now |
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Takahashi
2.7" Focuser
(Without Microfocuser)
See Complete List of Equipment at
Right
MFTAK
$169.00
Buy Now |
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MOTOFOCUS for Takahashi
2.7" Focuser
Discovery 8"
EQ; Takahashi
Epsilon-130, Epsilon-200, FC-60, FC-65, FC-76, FC-100, FC-100N, FC-125, FCT-65,
FCT-76, FCT-125, FS-60, FS-78, FS-102, FS-128, FS-128G, MT-130, MT-160, MT-200,
SKY-90 (Specify telescope
model.)
(i.e. most Takahashi models
except CN-212, FCT-150, FS-152, FSQ-106, Mewlon, MT-250, MT-300 and TSC.)
This MOTOFOCUS unit is not compatible with any
microfocuser accessory.
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Takahashi
4" Focuser
(Without Microfocuser)
FS-152, FSQ-106
MFTAK4
$169.00
Buy Now |
Takahashi
4" Focuser
(With Microfocuser)
FSQ-106ED
MFTAK4M
$169.00
Buy Now |
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MOTOFOCUS for Takahashi
4" Focuser
Takahashi
(without microfocuser) FS-152, FSQ-106; Takahashi
(with microfocuser) FSQ-106ED
Without Microfocuser, Part Number
MFTAK4
With Microfocuser, Part Number MKTAK4M
|
This picture shows MOTOFOCUS for a Takahashi
4" focuser with an integrated DRO encoder. The system is
installed on a Takahashi FSQ-106ED with microfocuser. |
 |
MOTOFOCUS on Takahashi 4" Focuser
with Microfocuser |
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Tele Vue
Refractors
(Without Focusmate microfocuser)
See Complete List of Equipment at
Right
MFGEN
$169.00
Buy Now |
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MOTOFOCUS for Tele
Vue Refractors
Tele Vue Genesis, Oracle, Pronto,
Renaissance, Renaissance-101, Solaris, Tele Vue-76, Tele Vue-85, Tele Vue-101,
Tele Vue-102, Tele Vue-NP101
This MOTOFOCUS unit is not compatible with the
Focusmate fine focus accessory.
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Vixen
2.7" Focuser
(C-Style Mounting)
MFCREF
$169.00
Buy Now |
Vixen
2.7" Focuser
(V-Style Mounting)
MFVREF
$169.00
Buy Now |
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MOTOFOCUS for Vixen
2.7" Focuser
Orion
(Refractors with Vixen rack-and-pinion focuser);
Sellarvue (Refractors with Vixen rack-and-pinion focuser);
Vixen 2.7"
Focuser
(e.g. ED103S and NA140SS)
Without Protruding Telescope
Mounting Block (see C style below), Part Number MFCREF
With Protruding Telescope Mounting Block (see V style
below), Part Number MFVREF
| NOTE |
Please verify the style
of your telescope housing as shown below. This will help you
determine which style (C or V) and therefore which part number (MFCREF or
MFVREF) to purchase. |
 |
This picture shows the newer Vixen Refractor housing style where the
Telescope Mounting Block (left) is protruding higher than the Focuser
Tension Plate (right). This style uses the MFVREF (V Style) part
number. (The focuser tension plate is where MOTOFOCUS is mounted.)
With the C-style housing, the focuser tension plate is higher than any
other part of the housing in the immediate vicinity. |
 |
This picture shows the two
styles of MOTOFOCUS mounting brackets, the older C style (left) and newer V
style with shaft expander (right). |
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Vixen
R130S, R150S
Vixen R130S, R150S
MFSP6
$169.00
Buy Now |
|
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MOTOFOCUS for Vixen R130S, R150S
Vixen R130S,
R150S
|
This picture shows the unit mounted
on the focuser. It is mounted with the attached
bracket and the o-ring coupler slides over the focusing knob. |
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Vixen
VC200L
See Complete List of Equipment at
Right
MFV200
$169.00
Buy
Now |
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MOTOFOCUS for Vixen
VC200L
Vixen
200mm VISAC (Vixen Sixth-Order Aspheric Cassegrain), R200SS, VC200L, VC200LDG,
VMC200L, VMC200LDG
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William Optics
Crayford Focusers
(Without Microfocuser)
Configuration ONE*
MFWO1
$169.00
Buy Now |
William Optics
Crayford Focusers
(With Microfocuser)
Configuration THREE*
MFWO3
$169.00
Buy Now |
William Optics
Crayford Focusers
(With Microfocuser)
Configuration FIVE*
MFWO5
$169.00
Buy Now |
William Optics
Crayford Focusers
(With Microfocuser)
Configuration SIX*
MFWO6
$169.00
Buy Now |
William Optics
Crayford Focusers
(With Microfocuser)
Configuration SEVEN*
MFWO7
$169.00
Buy Now |
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MOTOFOCUS
Conversion Kit
See Restrictions at
Right
MFCNVRT
$63.00
Buy
Now* |
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MOTOFOCUS Conversion Kit
The conversion kit includes all necessary hardware to convert many
current MOTOFOCUS units for use on a different telescope. It does not include
the motor, cable or hand unit.
(Specify information
regarding the ORIGINAL and DESTINATION telescope models.)
CONVERSION RESTRICTIONS:
The conversion kit is for SCT (focus knob push-on style) and
Rack-and-Pinion (pear motor style) MOTOFOCUS units ONLY.
We can convert from one SCT style to another and we can convert
from one Rack-and-Pinion style to another but NOT BETWEEN the
two styles.
We also cannot convert to or from MOTOFOCUS units designed for
Crayford focusers or those with miniature motors. For
example, we cannot convert to or from models designed for the
following: Meade ETX focus knob (not including LS), Single
fork arm NexStar focus knob, Orion StarMax focus knob, Feather
Touch Crayford, William Optics Crayford, GSO Crayford and
Celestron Onyx Crayford.
SCT conversions include (as necessary):
sleeve, collar, coupler, knob, setscrew and hex wrench.
Rack-and-Pinion conversions include (as necessary): bracket, coupler,
shaft expander, setscrew and hex wrench.
*
When ordering, place a note in the shopping cart Comments
area identifying the ORIGINAL and DESTINATION telescope
equipment. Please read the CONVERSION RESTRICTIONS notes
above.
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What
is MOTOFOCUS?
MOTOFOCUS is a battery operated
hand control with an electric focus motor that attaches to the shaft of a
focuser knob (or the knob itself) for precise, vibration-free focusing
without the need to touch the telescope. It is great for visual and
photographic use and features variable speed for coarse and fine
adjustments. Precise positioning is accomplished through electronic
braking. Mounting is easy and requires no drilling or
tapping. Add the optional Digital Read Out (DRO),
or Digital Focus Counter (DFC), for
improved focusing accuracy and repeatability.
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Customer
Comments
"I appreciate all the help I
was given by the employees at JMI, especially...patience with my lack of
expertise and knowledge. This type of professionalism will make me
a return customer." (T. A. L.)
"I handed the MOTOFOCUS
to my husband as soon as I arrived home...and we were both fascinated.
Excellent product, easy installation and now our telescope has been
enormously upgraded." (M. M. D.)
"I purchased two JMI
MOTOFOCUSers and found both to be very high in quality and workmanship,
also fairly priced.... I would recommend JMI products and service to
everyone. This company has its act together." (J. S.)
"Attaching your
MOTOFOCUS for my Williams Optics Microfocuser was simpler than I ever
expected, and it worked like a charm, to boot! Great engineering =
great products !!!" (G. B.)
"I recently purchased
from you a motorized focuser for my ETX-105. It has transformed my
viewing. It is almost like having a new and better telescope.
Congratulations and thanks!" (N. M.)
"An excellent all round
service with great delivery. Many thanks for a great
product." (M. B.)
"... As for the
product, it has made my viewing 110% easier. The MOTOFOCUS is very
easy to install on the telescope. It took me less than two
minutes. I would recommend this item to anyone who owns a Celestron
5, 6 or 8 SE. It will make their viewing experience much easier and
more enjoyable." (T. S.)
"Most of the time,
customers write to complain, but we should write also when
satisfied! I have received my conversion kit and I transferred
flawlessly my C8 MOTOFOCUS to my NexStar 11 GPS. I am very pleased
to see a company that allows its customers to update its product rather
than to force them to buy a brand new one by creating artificial
incompatibilities. Too many times such questionable marketing
practices are used. This is not the case with JMI. One should
note that my C8 MOTOFOCUS was more than 10 years old and still eligible
for an upgrade. Try to get this in the computer world... So
thank you and let me add that the JMI MOTOFOCUS is simply a mandatory
accessory on a telescope. And you can quote me if you
will." (Olivier Sanguy, Editor in Chief of ESPACE Magazine)
"Needed a replacement or
repair on an old MOTODEC and MOTOFOCUS for an old C8. Spoke with the
technician who then sent me the parts I needed and instructions on how to
do my own repairs. Saved me a lot of money. Much appreciated
and everything worked great! That was very good service."
(P. J. H.)
"I am wondering when you
guys are gonna release that cloud filter that allows me to see through the
clouds? j/k ;) You guys are like super heroes in the telescope
world!" (C. F.)
"MOTOFOCUS for my NexStar
8i worked like a charm. Nice bit of engineering and packaging.
(T. U.)
"Just a brief note to
tell you how happy I am with the recent purchase of the JMI MOTOFOCUS unit
for my Celestron 9.25". I have it on a Vixen Sphinx Mount which
is pushing the upper limit of this mount, so an effective auto-focus unit
is a must as it does take some time to dampen any vibrations. Your
unit worked perfectly out of the box and has made it a pleasure to get
[it] accurately focused (and I'm usually far too busy to send an email
like this unless the product really did exceed all my expectations).
(C. E. S. D.)
"Your MOTOFOCUS (MFCREF)
with my Vixen Refractor ED102SS [is] Great!" (J. C.)
"I received the MOTOFOCUS
in the mail yesterday and must say it is fine craftsmanship. ...thanks for
making such a quality item." (D. B.)
(see
previous comments about the NGF-SE) "...I've been using one
of your focus motors on my CG-11 for years. I recently converted it
to use on my LX200 with one of your conversion kits. Everything has
ALWAYS worked perfectly. My hat is off to you and your fine
company." (D. A. J.)
"...My
first purchase (from JMI) was a MOTOFOCUS ... I have nerve damage in my
arms and focusing was a real chore. Not any more! I was so
pleased, that when I was looking for an after-market set of electronic
setting circles, I researched them all and purchased the
NGC-MAX..."
(see continuing comments about the NGC-MAX)
(R. L.)
"...BTW, I'm a MOTOFOCUS
owner and it's the best purchase I've made yet. Great products you
have there! Thanks bunches!" (P. L.)
"I don't know how I got
along without (MOTOFOCUS)! ... I love your
products. There ought to be a law requiring all telescope venders to
include a JMI catalogue with every scope." (L. W. D.)
"It is nice to deal with a company
that is sincerely committed to offering a top-quality product and backing
it up with customer service to match. Needless to say, whenever I
need an accessory for my scope, I'll call JMI." (J. E. G.)
|
|
Frequently Asked Questions
(FAQ)
|
| Q. |
What
is the difference between a Focuser and MOTOFOCUS? |
| A. |
A
focuser is the mechanical device that moves an eyepiece (or other
equipment) in and out to bring an image into focus. On the other
hand, MOTOFOCUS units are designed to be attached to the shaft of a
focuser knob (or the knob itself) to motorize the movement of the
focuser. It allows the focuser to be moved in or out without
touching it. Touching the focuser usually causes unwanted movement
in the whole telescope. |
| |
|
| Q. |
Are
your MOTOFOCUS motors AC or DC powered? |
| A. |
All
JMI MOTOFOCUS motors are DC powered. The unit designed for the Meade
LX200 plugs into the telescope control panel and is controlled by the
LX200 hand unit. All other MOTOFOCUS units are designed to operate
with a JMI hand unit. These hand units include variable speed
control and electronic braking and are powered by a single 9-volt battery
(or two 1.5-volt AA batteries in a few older hand units). |
| |
|
| Q. |
How
much focusing control does a MOTOFOCUS give? |
| A. |
With practice, you
can move the focuser drawtube in increments much smaller than the thickness of the average
business card. |
| |
|
| Q. |
How
is the MOTOFOCUS unit attached to the telescope? |
| A. |
All
MOTOFOCUS units designed for rack-and-pinion focusers attach the same
way. One of the focuser knobs is removed and the MOTOFOCUS coupler
is pushed over the exposed drive shaft. The motor bracket is then
secured to the focuser. The units made for SCTs are
friction-driven push-on motors that go on and off the focus knob in
seconds for easy storage. |
| |
|
| Q. |
Can I get
some kind of visible readout of drawtube position? |
| A. |
Yes! Simply
order the Digital
Read Out (DRO) upgrade or Digital Focus Counter (DFC) upgrade
at the same time you order your MOTOFOCUS. Since the upgrades are
integrated during manufacturing, they cannot be added later. DRO and
DFC upgrades are not available for ETX and NexStar telescopes. |
| |
|
| Q. |
Are
there any telescopes for which you do not make a MOTOFOCUS? |
| A. |
Helical
and slide tube type focusers are not suitable for MOTOFOCUS. We also
do not make a MOTOFOCUS unit for any focuser that is physically unable to
support the system. |
| |
|
| Q. |
Do
you have MOTOFOCUS for telescopes not listed here? |
| A. |
We
have MOTOFOCUS units for many older telescopes. Even if your
equipment is not listed, we may still have parts in inventory.
However, the cost will be much higher than for those shown in our catalog. |
|
