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90″ (214–226 mm)
25 Inch #80A Blue Color Filter improves the contrast of Jupiter and Saturn
Will this work on my SCT
it adapts a 2" focuser to take SCT gear
Explore Far-Sight options and parallelogram mounts for steady
JMI EV3-C Standard Event Horizon Telescope Focuser - Cassegrain solar-filter 90″ (214–226 mm)CNC Machined in the USA Event Horizon EV3 Standard Crayford Focuser, Cassegrain Base The straightforward, no frills way into true zero backlash focusing. A single speed friction drive Crayford with a compression ring threads onto the rear of your SCT for smooth, shift free fine focus. A masterpiece of engineering and workmanship, the EV3 is a low profile, friction drive Crayford focuser for the discriminating astronomer. The Crayford design presses a
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