William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black
Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
- This item is out of stock.
- We have no ETA from the manufacturer at this time.
- Sign up for back-in-stock alerts to be notified when this item becomes available.
Lower 48 States:
Orders over $50 ship free within the Lower 48 using a carrier and service we select based on your items and delivery location. Faster shipping options may be available at checkout.
U.S. Outside the Lower 48 (AK, HI, PR):
Free shipping on orders over $50 applies to many—but not all—items. Add items to your cart and enter your ZIP code to see available shipping options and any costs.
International Orders:
Free shipping does not apply to international orders. You’ll see available shipping options and costs during checkout. Some items can’t be shipped internationally due to size or manufacturer restrictions. Duties, taxes, brokerage fees, and tariffs are not included and are the customer’s responsibility.
- 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
| Product Status | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black