NiSi Pro Nano HUC Protector Filter (43mm to 105mm) Gimbal Head This is a special order

This is a special order item

Without filter (Photo by Alex Darkside):

Focuser Accessory Control $1

Battery type

and virtually silent slewing of the telescope with zero backlash and zero periodic error

NiSi Pro Nano HUC Protector Filter (43mm to 105mm) Gimbal Head This is a special orderUltra thin frame to minimize vignetting on wide angle lens Nano coating for best light transmission Highly smooth glass surface The NiSi Pro Nano HUC Protector filter is designed to provide the best protection from dust or impact to the front element for camera lenses. Made from high quality glass with nano coating on both sides, the Nisi Pro Nano HUC protector filter allows 99. 3% of light pass through it. The frame is made of high quality aluminium