M117 to M117 Extension Tube 50mm | Dark Clear Skies

M117 to M117 Extension Tube 50mm | Dark Clear SkiesM117 to M117 Extension Tube 50mm The Dark Clear Skies M117 to M117 50mm Extension Tube is a precision machined spacer designed for large format astrophotography imaging systems requiring accurate back focus spacing. Featuring M1171 male threads on both ends, this extension tube is intended for use with large reducers, flatteners, camera adapters, and filter systems commonly found in professional and observatory class imaging setups. The 50mm optical

0 port and a ST4 guide port for connection to your mount

twin knobs for coarse adjustment and a fine adjustment knob to accurate the focus

simply rotate the adapter ring clockwise

For many experienced astrophotographers

Suitable for astrophotography and EAA

Multi-layer anti-reflection coatings improve light transmission and reduce internal reflections

simplifying installation and eliminating the risk of dropped screws entering the filter wheel or camera

It allows seamless integration of 2" (48mm) mounted filters for superior flexibility in your observation and imaging sessions

Full well: 100 ke

SharpStar 140PH 140mm f/6

due to the rotation of the earth

Vixen has ushered in a new era of astronomical observation and astrophotography with its latest series of SX mounts