8. Photographic Adapters & Extensions

121 mm Extension Tube for 3" FT Focuser - SFE-M109-121

  The Stellarvue SFE-M109-121 is a 121 mm threaded extension for the 3" Feather Touch Focuser. The focuser and rotator thread into this to provide 121 mm of additional distance between the objective and the focuser. Threads are M109X1. 

2.156 Male to 48 mm Female Adapter - SFA-M2156F48-003

This is a 2.156-24 male thread to 48 mm female adapter that adds 3 mm of length. The 2.156-24 male thread is 5 mm long and the 48 mm female thread is 8 mm deep. 

40 mm Extension Tube for 3" Stellarvue Focuser - STE-M114-040

The STE-M114-040 is a 40 mm threaded extension for the 3 Stellarvue Focuser. To extend the focuser, unthread the focuser and rotator from the telescope using your hands. DO NOT UNTHREAD ANY SET SCREWS AS THESE WILL AFFECT ALIGNMENT. The extension will be...

42 mm Female to 48 mm Male Adapter - SFA-M48F42

This adapts the M42 X .75 T thread to the over-sized M48 X .75 T thread. It adds about .9 mm to the M42 male thread length and measures 3.85mm in total length.

48 mm Female to 42 mm Male Adapter - SFA-F48M42-008

  This adapts the over-sized M48 X .75 T thread (same as 2” filter thread) to the standard M42 X .75 T thread. It adds about 8 mm to the spacing, so it is not recommended for use with a DSLR camera and our SFF3 flattener. However, when...

48 mm Female to 42 mm Male Extension - 41.5 mm Length - SFE-F48M42-041.5

This is a 41.5 mm extension with 48 mm female to 42 mm male threads. The 48 mm female thread is 20 mm deep and the 42 mm male thread is 6 mm long. 

50 mm Female to 42 mm Male Extension - 16 mm Length - SFE-F50M42-016

This is a 16 mm extension with 50 mm female to 42 mm male threads. The 50 mm female thread is 13 mm deep and the 42 mm male thread is 6 mm long. 

50 mm Female to 42 mm Male Extension - 19 mm Length - SFE-F50M42-019

This is a 19 mm extension with 50 mm female to 42 mm male threads. The 50 mm female thread is 16 mm deep and the 42 mm male thread is 6 mm long. 

54 mm Male to 48 mm Female Adapter - SFA-M54F48-002

  This is a 54 mm Male to 48 mm Female adapter that adds 2 mm of length. 

60 mm Extension Tube for 3" FT Focuser - STE-M109-060

The STE-M109-060 is a 60 mm threaded extension for the 3" Feather Touch Focuser. The focuser and rotator thread into this to provide 60 mm of additional distance between the objective and the focuser. Threads are M109X1. 

60 mm Extension Tube for 3" Stellarvue Focuser - STE-M114-060

The STE-M1114-060 is a 60 mm threaded extension for the 3 Stellarvue Focuser. To extend the focuser, unthread the focuser and rotator from the telescope using your hands. DO NOT UNTHREAD ANY SET SCREWS AS THESE WILL AFFECT ALIGNMENT. The extension will...

63 mm Male to 48 mm Female Adapter and 2" Filter Holder - SFA-M63F48-005

This part is used with our M69 adapters to add a 2" filter to your field flattener assembly.     This is a 63mm male thread to 48mm female adapter that adds no extra extension, and which is capable of holding standard 2" mounted filters...