Kowa TSN-AR42GT 42mm Standard T2 Fit Adapter Ring with Protection Glass T-mount 25 inch FILTER USAGE Focusing/dust

25 inch FILTER USAGE Focusing/dust protection FILTER MOUNTED Mounted (LPFC 6mm) SINGLE OR SET

The tube offers a focal ratio of f/10 with the added versatility of Fastar (see below)

Sold by the pound

AUX Operation temperature -10°C ~ +40°C Pier/Tripod Optional pier Warranty Two year limited OTA size and length dependent

Baffles have been added to increase contrast and AR coatings are optimized for the 656nm wavelength

Kowa TSN-AR42GT 42mm Standard T2 Fit Adapter Ring with Protection Glass T-mount 25 inch FILTER USAGE Focusing/dustAdapter Ring to Combine the TSN DA10 or TSN DA20 Digiscoping Adapters With T2 Rings Integrated Protective Glass Prevents the Camera Sensor From Becoming Dirty