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ZWO FF107/FF130 APO 0.7× Universal Reducer
0.7x Focal Reduction Factor Designed for ZWO FF107 & FF130 APO Refractors Triplet Optical Design with 1 ED Element Standard 55mm Back Focus In...
View full detailsZWO FF65 APO 0.75× Full Frame Reducer
Reduces FF65 APO focal ratio to f/4.8 0.75x reduction factor for wider fields of view Standard 55mm back focus from the M48 thread Integrated M48x...
View full detailsZWO FF80 APO 0.76× Full Frame Reducer
0.76x focal reduction factor Designed for the ZWO FF80-APO Refractor Triplet optical design with one ED element Standard 55 mm back focus Integrat...
View full detailsZWO Filter Masks
Securely Mounts 36mm Unmounted Filters Compatible with All 7-Position ZWO 36mm EFWs Includes M2 Mounting Screws Prevents Internal Light Leaks D...
View full detailsZWO IR 850nm Pass Filter – 1.25"
Passes Infrared Light > 850nm Dramatically Steadies Planetary Views in Poor Seeing Enables Daylight Planetary and Lunar Imaging Standard 1.25" ...
View full detailsZWO IR-Cut Protective Window
21 mm diameter protective window for select ZWO cameras Integrated UV/IR-Cut filter maintains natural color balance 1/4 λ surface flatness preserv...
View full detailsZWO LRGB Optimized Filters
1.25" (31.75mm) Threaded Filter Set Greater than 92% Transmission at Passband Balanced 1:1:1 RGB Exposure Weighting 1/4 Wavefront Polished Optical...
View full detailsZWO Narrowband Filter Set - 7nm H-alpha, OIII & SII
Includes 1.25" H-alpha, OIII, and SII filters 7nm bandpass for high-contrast imaging Ideal for creating "Hubble Palette" images Fine-optically pol...
View full detailsZWO Narrowband H-alpha Filter - 7nm
Isolates Hydrogen-Alpha light at a 7nm bandpass Standard 1.25" threaded metal cell Blocks light pollution and moonlight for extreme contrast Multi...
View full detailsZWO Narrowband OIII Filter - 7nm
7nm Bandpass at OIII Emission Line Isolates Planetary Nebulae and Supernova Remnants Standard 1.25" Threaded Filter Cell 1/4 Wave Optical Substrat...
View full detailsZWO Narrowband SII Filter - 7nm
Isolates the 672nm Sulfur-II emission line 7nm bandpass for high-contrast imaging Standard 1.25" threaded metal cell 1/4 wave polished substrate w...
View full detailsZWO UV/IR CUT Filter
Threads into standard 1.25" filter holders and nosepieces Blocks unwanted ultraviolet (UV) and infrared (IR) wavelengths Functions as a primary Lu...
View full detailsZWO V-Series Dovetail Groove for ASIAIR Pro
Securely Mounts ASIAIR Pro/Plus to V-Series Saddles Replaces Stock Mounting Plate Using Original Hardware Red Anodized Finish Matches ASIAIR Body ...
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