UV/IR, Clear & Specialty Filters

2-inch Filter Size Standard M48x0.75 Threads Enables Automated Dark Frame Capture 1mm Filter Thickness Durable Anodized Aluminum Cell Descripti...

Blocks unwanted Ultraviolet (UV) and Infrared (IR) wavelengths Features advanced anti-halo coatings to minimize reflections Standard 2" filter cel...

Passes infrared light above 685nm Achieves greater than 90% peak transmission Blocks wavelengths from 350-1050nm outside the passband 1.85mm thick...

The Antlia IR Pass 850nm filter is an absorptive filter that allows infrared light with wavelengths of more than 850nm to pass through. It is a su...

21 mm diameter protective window for select ZWO cameras Integrated UV/IR-Cut filter maintains natural color balance 1/4 λ surface flatness preserv...

Reduces violet/blue color fringing in achromatic refractors Blocks unfocused near-infrared (NIR) light for sharper digital images Maintains a natu...

Designed for Canon EOS 350D, 10D, 20D, and 30D DSLRs Improves Spectral Transmission for Astrophotography Unlocks Sensitivity to Hydrogen-Alpha (Hα...

Designed for Canon EOS 300 DSLR Astro-Conversion Dramatically Improved Spectral Transmission for Astrophotography Unlocks Critical Hydrogen-Alpha ...

Filters designed for use with CCD and for f/4.0 or slower No reflections leading to image distortions or "back reflections" Transmitted wavefront ...