With the Kowa TSN spectral PA-7 DSLR digiscoping adapter the Kowa TSN 880/770 spectral can be connected to a DSLR camera, providing a high performance and excellent telephoto lens for nature photography and video shooting. The digiscoping adapter turns your spectra into a variable focus telephoto lens. Depending on the camera manufacturer, a T2 ring may be required for the adapter.
The maximum focal length is 2570 mm when used with the TE-11WZ eyepiece and 2750 mm with the TE-10z eyepiece.

