Products

Compact 38 mm x 42 mm Mounting Base Standard Mini-Vixen Dovetail Profile Ultra-Lightweight at Just 45 g (0.10 lbs) Provides a Secure Attachment Po...

Designed to fit Vixen-style dovetail mounts Ensures durability and a lightweight design. Description The William Optics Vixen-...

Designed to fit Vixen-style dovetail mounts Ensures durability and a lightweight design. Description The William Optics Vixen-...

Reduces focal ratio by a factor of 0.72x Corrects field curvature for full-frame sensors 3-element, 3-group optical design Connects to telescope v...

Reduces focal ratio by a factor of 0.8x Triplet lens design with 3 elements in 3 groups Corrects field curvature for full-frame sensors Designed f...

61mm Aperture Apochromatic Doublet Refractor Ohara FPL-53 ED Glass Element 360mm Focal Length (f/5.9) Includes Flat61A Field Flattener for Full-Fr...

81mm Aperture, 559mm Focal Length (f/6.9) 2-Element APO Objective with FPL-53 Glass Patented William Optics Internal Focus Design (WIFD) Greater-t...

Clutch mechanism for switching between manual and motorized focusing Two versions: one for the original ZWO EAF, one for the ZWO EAFN / EAF Pro Fi...

Output: 12V DC, 10A Maximum Power: 120W Input: 100-240V AC Connector: 5.5mm x 2.1mm Center-Positive Description FAQ Specifications In the Box W...

Input Voltage: 100-240V AC Output: 12V DC at 5A Connector: 5.5mm x 2.1mm Center-Positive Compatibility: ASI Cooled Cameras, ASIAIR Pro, ASIAIR...

Adds 160mm (6.30") of height for increased OTA clearance Designed for the ZWO AM5 mount Hollow, aircraft-grade aluminum construction for rigidity ...

Adapts 1.25" mounted filters for use in 2" filter holders Compatible with ZWO 5-position and 7-position 2" filter wheels Fits ZWO M42 and M54 filt...

2.1mm Focal Length 150° Field of View Optimized for 1/3" Format Sensors Functions as an All-Sky Camera Lens Standard CS-Mount Thread Descriptio...

2.5mm Focal Length 170° All-Sky Field of View Designed for 1/2" Format Sensors CS-Mount Thread Description FAQ Specifications I...

Adds 200mm of height to prevent OTA collisions Engineered specifically for the ZWO AM5 Mount Hollow, aircraft-grade aluminum construction Compatib...

30mm Aperture 150mm Focal Length (f/5.0) Triplet Apochromatic (APO) Lens Design Precise Helical Focuser Lightweight at 0.77 lb. Description FAQ...

Securely mounts ZWO cooled cameras with a 78mm diameter body Locks with a single M6 screw on the side Mounting foot with two 1/4"-20 threaded hole...

Engineered for a precise 90 mm camera body diameter Official fit for ZWO ASI2600 and ASI6200 Pro Cooled Cameras Features two 1/4"-20 and six M4 th...

Connects M54 Filter Wheels to M48 Accessories Adds Only 2 mm to Optical Path Maintains 55 mm Back Focus Standard Knurled Edge for Secure Grip Desi...

17.64 lb. payload capacity without counterweights 9.04 lb. mount head Dual Alt-Azimuth and Equatorial modes 0-90° latitude range for operation any...

Carries 33 lb. without counterweights 12.1 lb. lightweight mount head Dual Equatorial and Alt-Azimuth modes 0° to 90° latitude range for worldwide...

44 lb. payload capacity without a counterweight 14.9 lb. mount head weight Dual Equatorial and Alt-Azimuth modes Stepper motor with 0.17" resoluti...