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Includes reversible combination lens foot with 1/4-20 tripod holes and standard Vixen style dovetail mount for telescope mounts
near-perfect glass with Ohara FPL53 optics
The off-axis aperture is made with high-quality hand selected and inspected reflective coated glass
140mm ERF Glass
Astrozap Baader 145mm-155mm Solar Filter Dew Heater Includes reversible combination lens footAstrozap 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
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