William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black
Sku:
PAAR-WO-TM-PT-K-M48
Mfg #:
TM-PT-K-M48
Item Can Ship:
Worldwide
$39.00
In Stock
(Only 3 left)
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 (account login required).
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
Contiguous US / Lower 48:
Free shipping applies to orders over $50 using our chosen carrier/method. Faster paid options are available at checkout.
Alaska, Hawaii & US Territories:
Free shipping applies to many—but not all—products. Enter your ZIP code in cart or upon checkout to confirm options and costs.
International:
International orders do not qualify for free shipping. Shipping, duties, brokerage, tariffs, and taxes are the customer’s responsibility. Some items may be restricted due to export, size, or manufacturer limitations.
SKU:
PAAR-WO-TM-PT-K-M48
Mfg #:
TM-PT-K-M48
Item Can Ship:
Worldwide
Description
Description
- 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
Read Full Description
Reviews / Q&A
Reviews / Q&A
Description
Reviews / Q&A
Description
- 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
Reviews / Q&A
William Optics 48mm Wide T-Ring for Pentax K-Mount Cameras - Black
$39.00