Model #TM-NK-F-M48
- T-Ring to convert your Nikon camera F-mount to a standard 48mm thread for attachment to various astronomy accessories
- Fits all Nikon SLR/ DSLR cameras that use F-mount lenses
- Not for use with Nikon Z mount mirrorless cameras
- M48 female thread has a diameter of 48mm and a thread pitch of 0.75mm
- NOT for use with the smaller, more common standard 42mm T-threaded adapters and accessories which have an M42x0.75 thread (42mm diameter x 0.75mm pitch)
- Optical path length: 8.5mm
- Perfect for use with M48-threaded corrective telescope optics (correctors and flatteners) that have a back focus requirement of 55mm. The Nikon F camera's FFD (flange focal distance) of 46.5mm plus this T-ring's optical path length of 8.5mm will get you to 55mm without the need to any additional adapters.
- High-precision CNC-machined aluminum and black anodized
- Weighs 35g / 1.23oz
