About this product
Part Number: 2 Inch UV/IR Cut Filter
This 2" DayStar filter blocks ultraviolet and infrared light so is a good choice for use as a luminance filter for any type of digital photography.
If using a Daystar Quark with refractor telescope 80-150mm, you need this. For larger apertures you will need a Daystar full aperture energy rejection filter.
Thread the filter onto your 2" diagonal's nosepiece, insert the Quark then place an eyepiece in the Quark.
Corrected for systems with focal ratios in the f/0.5 - f/50 range.
Transmission is typically above 99 percent.
IMPORTANT: This Daystar UV/IR filter must be used together with a suitable purpose-made solar filter.
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