Allow to attach Nikon Cameras to 1.25 inch telescope; Fits Nikon D90 D80 D70 D60 D50 D40x D40 D800 D700 D600 D300s D300 D200 D100 D7000 D5200 D5100 D5000 D3200 D3100 D3000 D4 D3x D3s and all SLR Cameras
With T-ring; you can use M42 Lenses on your camera; inner ring can be rotated to ensure lens is always right way up
Having the right equipment to shoot art-gallery images of the heavens starts with the right telescope; camera and camera adapter; and ends here
85mm focal length and reduction factor of about 0.5x that depend on spacing; 0.5x focal reducer effectively halves the focal length of a telescope for enabling lower magnification;
Mounting threads: 1.25 inch filter thread or 28.5x0.75 mm on one sides; the opposite end of this adapter has a C-mount that is 1 inch diameter with 32 threads per inch standard for C or CS mount CCTV type cameras with telescopes;