QHY Nikon F to M54 Lens Adapter & Spacer - 12.5 mm - 20105 18 mm Eyepieces Weight: 80-100 g

Weight:  80-100 g

Magnification 1: 20-60x

The optical design of the doublet objective lens

In addition to eliminating eye fatigue associated with viewing through one eye for a prolonged period of time

the user installs the Ha Etalon module and their chosen Blocking Filter along with an eyepiece on the rear of the tube

QHY Nikon F to M54 Lens Adapter & Spacer - 12.5 mm - 20105 18 mm Eyepieces Weight: 80-100 gThis QHY Nikon F Lens Adapter takes up 12mm of back focus and has M54 threads on the other side. A 0. 5mm spacer is included to achieve 12. 5mm back focus. Use this adapter to connect your Nikon F lens to a QHY cooled CMOS camera with M54 threads.