William Optics M48 Nikon F T-Ring - Black - TM-NK-F-M48 threedaysale Unique features such as an

Unique features such as an electronic friction break and power down memory allow the mount safely stop and resume a GoTo slew or continue tracking even after an abrupt power loss (No need to realign and start from the beginning)

you can power and control the focus motor from your computer's USB port

Halve the f-stop of your telescope for shorter exposures

The Calcium K modules line is centered at 393

45 arc seconds Light Gathering Power (Compared to human eye) 131x Optical Coatings fully coated glass Optical Tube Length 457

William Optics M48 Nikon F T-Ring - Black - TM-NK-F-M48 threedaysale Unique features such as anWilliam Optics 48 mm T Ring for Nikon F Cameras Use this aluminum black anodized T ring to attach your Nikon F camera body to an imaging accessory, etc. with M48 threads.