Products

Adds exactly 21mm of optical path length Connects M54 male threads to M48 female threads Standard 2-inch filter threading on the M48 side Black an...

M54 male threads on one side, M48 female threads on the other Zero-profile design preserves critical back focus Converts larger M54 ports to the c...

Corrects sensor tilt for sharp, round stars across the entire frame Adds a minimal 5 mm of optical path length to the imaging train Connects the Z...

Includes H-alpha, OIII, and SII filters (1.25" or 2" mounted, 36mm unmounted) 7nm bandpass for high-contrast imaging Ideal for creating "Hubble Pa...

Isolates Hydrogen-Alpha light at a 7nm bandpass 1.25" or 2" threaded cell, or 36mm unmounted Blocks light pollution and moonlight for extreme cont...

7nm Bandpass at OIII Emission Line Isolates Planetary Nebulae and Supernova Remnants 1.25" or 2" Threaded Cell, or 36mm Unmounted 1/4 Wave Optical...

Isolates the 672nm Sulfur-II emission line 7nm bandpass for high-contrast imaging 1.25" or 2" threaded cell, or 36mm unmounted 1/4 wave polished o...

Connects Nikon F-mount lenses to ZWO Electronic Filter Wheels Engineered for cameras with 6.5mm back focus Provides 20 mm of spacing Standard M42x...

Attaches Nikon F-mount lenses to ZWO cameras Standard M42x0.75 T-thread camera interface 29mm main body length for 17.5mm back-focus cameras Inclu...

Eliminates Differential Flexure Reduces Overall System Weight Includes 1.25" Guide Camera Holder M48 and M48 to M42 Adapters Included Spacer and H...

Large 12mm x 12mm prism for brighter guide stars M68, M54, and M48 connection options 17.5mm thickness preserves 55mm backfocus Designed for ZWO A...

Official ZWO OEM replacement fan Restores original cooling performance to Cooled/Pro cameras Backed by a 2-year manufacturer warranty Descripti...

Corrects sensor tilt for flat fields and sharp stars edge-to-edge Adds only 5mm of thickness to the optical path Suitable for APS-C cameras like t...

Corrects Sensor Tilt: Ensures sharp stars across the entire image field by squaring the camera sensor to the optical axis. 5 mm Optical Path Lengt...

Corrects sensor tilt for ZWO ASI6200, 2600, and 2400 cameras Connects compatible cameras and the M68 OAG to a 2" EFW Adds a minimal 5mm of optical...

Official ZWO Soft Bag for ZWO Cooled Cameras Constructed from Padded Heavy-Duty Fabric Lightweight Alternative to Hard Cases Description FAQ Sp...

Connects Sony NEX (E-mount) lenses to ZWO ASI cameras Standard M42x0.75 female thread for direct camera attachment Enables wide-field astrophotogr...

Connects T-threaded cameras to 1.25" focusers Standard M42x0.75 male T-threads Internally threaded for 1.25" astronomy filters Dur...

Adds exactly 11 mm of spacing to your imaging train Female M42x0.75 T2 threads on both sides Connects two male T-threaded components Black anodize...

Connects two female M42 T-threaded components Adds a fixed 2mm of optical path length Male-to-male M42x0.75 thread on both sides Durable black ano...

Corrects sensor tilt for sharp stars edge-to-edge Eliminates Newton's rings in H-alpha solar imaging Adds only 11 mm of back focus to the imaging ...