William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black

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- T-Ring to convert your Pentax K-Mount camera mount to a standard 48mm thread for attachment to various astronomy accessories
- Fits all Pentax K-Mount cameras
- M48 female thread has a diameter of 48mm and a thread pitch of 0.75mm
- Compatible with wide format 48mm T-threaded accessories only
- 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: 9.54mm
- Perfect for use with M48-threaded corrective telescope optics (correctors and flatteners) that have a back focus requirement of 55mm. The Pentax K camera's FFD (flange focal distance) of 45.46mm plus this T-ring's optical path length of 9.54mm will get you to 55mm without the need to any additional adapters.
- CNC-machined aluminum with black finish
- Weight: 65g
Other Information
- Country of Manufacture: Taiwan
- T-Ring to convert your Pentax K-Mount camera mount to a standard 48mm thread for attachment to various astronomy accessories
- Fits all Pentax K-Mount cameras
- M48 female thread has a diameter of 48mm and a thread pitch of 0.75mm
- Compatible with wide format 48mm T-threaded accessories only
- 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: 9.54mm
- Perfect for use with M48-threaded corrective telescope optics (correctors and flatteners) that have a back focus requirement of 55mm. The Pentax K camera's FFD (flange focal distance) of 45.46mm plus this T-ring's optical path length of 9.54mm will get you to 55mm without the need to any additional adapters.
- CNC-machined aluminum with black finish
- Weight: 65g
- T-Ring to convert your Pentax K-Mount camera mount to a standard 48mm thread for attachment to various astronomy accessories
- Fits all Pentax K-Mount cameras
- M48 female thread has a diameter of 48mm and a thread pitch of 0.75mm
- Compatible with wide format 48mm T-threaded accessories only
- 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: 9.54mm
- Perfect for use with M48-threaded corrective telescope optics (correctors and flatteners) that have a back focus requirement of 55mm. The Pentax K camera's FFD (flange focal distance) of 45.46mm plus this T-ring's optical path length of 9.54mm will get you to 55mm without the need to any additional adapters.
- CNC-machined aluminum with black finish
- Weight: 65g
Other Information
- Country of Manufacture: Taiwan

William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black
