Features
В· 2\" Focuser for Schmidt-Cassegrain / Maksutov-Cassegrain telescopes
В· Crayford design: zero image-shift and focusing made easy!
В· Very smooth, no lateral movement or tilting.
В· The focuser tube is fully threaded and the threads are painted flat black to prevent unwanted reflections.
В· Drawtube tension adjustable to match varying accessories .
В· Included in the price is a 1:10 dual speed microfocuser, particularly appreciated during astrophotography.
В· Black Anodized.
В· Completely, precisely machined out of solid aluminum.
В· 2\" to 1.25\" adapter with brass compression ring included.
В· Internal anti-reflection threading on drawtube and 1.25\" adapter to improve image contrast.
Specifications
Focuser tube travel
80mm
Focuser tube length
150mm
Minimum distance from OTA to end of focuser tube (1-1/4\" adapter)
102mm
Maximum distance from OTA to end of focuser tube (1-1/4\" adapter)
182mm
Focus knob diameter
40mm
80mm Refractor base diameter
85mm
* Dimensions are plus-or-minus 1/16\", 1mm.
INTANE 2” Crayford focuser, constructed of strong aluminum with a black anodized finish. a built-in tension knob for adjusting the \"feel\" to match your preference to give zero image shift and zero backlash, with a second fine adjustment knob with a 10:1 ratio for ultra smooth and fine adjustment. The friction can be adjusted with a large thumbscrew. A second thumbscrew can lock the focuser tightly in position. Features 2 inch brass non-marring compression ring, an adaptor from 2\" to 1.25\" with brass non-marring compression ring and 2\" filter thread.
The features4 inch racked in and 7 1/6 inch racked out Ultra smooth focus motion with 10:1 Microfocus knob Constant movement 2 inch non-marring eyepiece holding compression ring 2\" to 1.25\" adaptor with non-marring eyepiece holding compression ring and 2\" filter thread Made from strong aluminum
