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Focuser Adapter Comparison Chart

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JMI Focuser Adapter Comparison Chart

Part Number

Description

 Picture

 Input*

Output*

ADPT2-1.25 1.25" Eyepiece
Adapter
2" Male Sleeve and
48mm Female Filter Thread
1.25 Female Sleeve with
Compression Ring
ADPT2-1.25T Combination 1.25" Eyepiece and T-Thread Adapter 2" Male Sleeve and
48mm Female Filter Thread
1.25" Female Sleeve with
Compression Ring and
42mm Male T-Thread
ADPT3-2 2" Eyepiece
Adapter
3" Male Sleeve 2" Female Sleeve with
Compression Ring
ADPT1EXT 1.25" x 1.6" Length
Extension Tube
1.25" Male Sleeve 1.25" Female Sleeve with
1.6" Extension
ADPT2EXT 2" x 1.5" Length
Extension Tube
2" Male Sleeve 2" Female Sleeve with
1.5" Extension
ADPT2EXTL 2" x 2.5" Length
Extension Tube
2" Male Sleeve 2" Female Sleeve with
2.5" Extension
ADPT2X2.1E 2" x 2.13" Length
Extension Tube
2" Male Sleeve 2" Female Sleeve with
2.13" Extension
ADPT2X2.6E 2" x 2.63" Length
Extension Tube
2" Male Sleeve 2" Female Sleeve with
2.63" Extension
ADPT2X3.1E 2" x 3.13" Length
Extension Tube
2" Male Sleeve 2" Female Sleeve with
3.13" Extension
ADPT2THREAD SCT Threaded Output Adapter
—2"
2" Male Sleeve and
48mm Female Filter Thread
2"-24 Male SCT Thread
ADPT3XT Large Format SCT Visual Back Adapter
for an NGF-XTc
3.25" Female SCT Thread 3.79" Male NGF-XT Mounting
ADPT4XT Large Format SCT
Visual Back Adapter
for an NGF-XTc
4" Female SCT Thread 3.79" Male NGF-XT Mounting
ADPT117XT Astro-Tech RC
Visual Back Adapter
for an NGF-XTc

Metric 117 x 1
Female SCT Thread
3.79" Male NGF-XT Mounting
Part Number

Description

 Picture

 Input*

Output*

JMI Focuser Adapter Comparison Chart

* Input is the end in which the light enters ( >[] ) and Output is the end from which the light exits ( []> ).