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25" O-III Range from 483nm to 511nm with a peak at 496nm
Explore Scientific Rack and Pinion Focuser Extension Tube 2" Extension for our 2" Rack and Pinion focusers on our ED APO telescopes
all at a small fraction of the price
the hinged rings have over-sized metal thumbscrews to securely locks and for easy handling once the OTA has been snug inside the rings
Astrozap Baader 225mm-235mm Solar Filter - Meade Light Switch Prominence Filter 25" O-III Range from 483nmAstrozap Solar Filter With AstroSolar the Sun appears in neutral white. Other films and some glass filters produce a blurry bluish or reddish Solar image, thereby cutting part of the spectrum. Especially with an orange sun, it is very hard to see faculae regions which are visible predominantly in the blue wing of the spectrum. Due to it's neutral color balance, AstroSolar enables the use of various color (or interference) filters which allows the