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Includes additional focal extender spacer ring to ensure compatability with a wide variety of lenses
Secondary Obstruction 24% Primary Mirror Diameter 305mm Focal Length 1525mm Focal Ratio f/5 Primary Mirror Weight 50
Pinholes do appear
The housing offers live LCD readout of the filter's wavelength output (accurate to 0
Astrozap Meade ETX 90 Heated Dew Shield Filter Range_Solar Includes additional focal extender spacerThe Astrozap Flexible Dew Shield is an essential telescope accessory for any stargazer using a telescope where frost or dew regularly form. The Astrozap FlexiHeat Dew Shield uniquely combines both active and passive methods of dew fighting with the added feature of shielding the telescope from undesirable stray light. While passively fighting dew by its physical design, each Astrozap Flexible Dew Shield also has a built in Astrozap Dew Heater Strap to
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