ZWO 90mm Ring for ASI Cooled Cameras Dovetail ensure that the optimized image

ensure that the optimized image circle remains at a generous 42 mm for use with large CCD sensors

The whole solar system literally revolves around him

With this all-in-one design

7 mm Eye Relief (mm) 18 mm Close Focus 43 ft (13 m) IPD Max 72 mm IPD Min 56 mm Optical Coatings Multi-Coated Weight (oz) 48 oz (1361 g) Prism Glass (Type) BaK-4 Twilight Factor 32

compatible with most SLR cameras

ZWO 90mm Ring for ASI Cooled Cameras Dovetail ensure that the optimized imageCurrently compatible with ASI 2600MM MC Pro and ASI6200MM MC Pro cameras. Note: 1. Cameras with large format like ASI094MC Pro, ASI128MC Pro and ASI071MC Pro require the D86 Holder Ring (80mm diameter). 2. D78 Holder Ring for ASI Cooled cameras is compatible with following ZWO cameras: ASI1600 Pro cameras, ASI183 Pro cameras, ASI294MC Pro, ASI178 Cooled cameras, ASI174 Cooled cameras and ASI385MC cooled. 3. To easily mount the camera onto the tripod,