Pentax K Mount Diameter
Related Reviews
Anna
5
but everything works and the pictures are beautifu
The ring is a little bit tight to rotate, but everything works and the pictures are beautiful.
17/06/2022
R. Johnson
4
Four Stars
Another quality Tiffen filter, works well on my Nikon 18-140 lens.
28/04/2022
Gary L. Griffiths
5
Excellent Product
Great for darkening sky and increasing contrast on petroglyphs.
17/09/2021
Sabrina Sabrina
5
A good purchase
Excellent night visionCamera works great! The connection is a little slow at longer distances, but it doesn't affect usability. Setup should be pretty easy for the experienced, I was using it for the first time and thankfully my husband figured it out quickly.
25/05/2021
Related Faq
Q
What is the diameter of tube leg?
A
Diameter of the tube leg is from 19mm to 28mm. 
Q
Will this work with the pentax mount asahi takumar smc 50mm 1.4?
A
Yes. I have the same lens and adaptor on my Sony a7ll and it works beautifully. The m42 is also known as the 'universal' mount as other 3rd party camera and lenses also used it. I own 6 other K&F e-mount adaptors to different lens makers (ltm, MD, CF/CD, Nikon) and they all are well built with a nice snug fit. Highly recommended. 
Q
does this fit pentax cameras?
A
Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering.The number is always preceded by a "ø" (diameter) symbol 
Q
Pentax pk mount usually means pentax k mount which has a flange distance greater than m. is this adapter for adapting leica m lens to pentax q camera?
A
I actually have not received this adapter yet. It's shipping from China. Don't think that was disclosed in the ad. However, I do not believe this is for the Pentax Q body rather for digital and film cameras that take the Pentax K mount in its many variations. So I'm expecting to be able to mount my Leica M mount lenses on my digital and film Pentax K mount cameras, no autofocus or relay of exposure information, only to be used with manual focus and exposure. 
Q
Is the K&F Concept adapter for Pentax PK K mount to Sony NEX e-mount compatible with the Sony A6000? Does a P-KA mount adapter exist?
A
Yes it should work with the sony a6000. As long as the ka lens has an aperture ring on the lens and is not solely dependent on receiving aperture control from the body, this adapter should work fine with ka lenses. To my knowledge, there are no sony e mount to k mount adapters with electronic coupling so no lens control through the body (meaning aperture and focus are fully manual). 
Related Video
K&F Lens Adapter + Pentax-M 50mm F1.4 + Sony A6000
K&F Concept® Lens Mount Adapter for Canon EOS EF mount Lens to GH4
K&F Concept Sony a6000 mount adapter
Related Blog

What Is Pentax K Mount?

The Pentax K-mount is a lens mount standard developed by Pentax in 1975 for use with their 35mm single-lens reflex (SLR) cameras. Over the years, it has become a versatile and widely adopted mount, compatible with a broad range of lenses and camera bodies. This article will delve into the history, f...

What's the Best EF to E-mount Lens Adapter?

The rapid rise of mirrorless cameras, combined with the high prices and limited availability of native mirrorless lenses, and the incompatibility of different brand lens mounts, has been a catalyst for the increased popularity of lens adapters to make use of many classic old lenses. Then, What does ...

What Size Camera Filter To Get?

When it comes to photography, the importance of camera filters cannot be overstated. They play a crucial role in enhancing image quality, protecting the lens, and allowing photographers to experiment with various effects. However, one of the most common questions that both amateur and professional p...

How To Find Size For Camera Filter?

Choosing the right size for a camera filter is crucial for photographers who want to enhance their images with various effects or protect their lenses. The process can be somewhat confusing, especially for beginners, but understanding the key factors involved can make it much simpler. In this articl...

How Do I Know Camera Filter Size?

When it comes to photography, understanding the various components of your camera and its accessories is crucial for achieving the best results. One such component that often confuses beginners and even some seasoned photographers is the camera filter size. Knowing the correct filter size for your c...

What Are Good Binoculars?

When it comes to choosing a good pair of binoculars, the options can be overwhelming. With a myriad of brands, models, and specifications available, making an informed decision requires understanding your specific needs and how different features cater to those needs. In this article, we will delve ...

How To Select Binoculars?

Selecting the right pair of binoculars can be a daunting task, especially with the myriad of options available in the market today. Whether you are a bird watcher, a stargazer, a sports enthusiast, or simply someone who enjoys observing nature, choosing the right binoculars is crucial for an optimal...

How To Choose Camera Filter Size?

Choosing the right camera filter size is a crucial aspect of photography that can significantly impact the quality of your images. Filters can enhance colors, reduce reflections, and protect your lens, but selecting the correct size is essential to ensure they fit your lens properly. This article wi...

Does This Lens Fit My Camera?

When it comes to photography, one of the most common questions that both amateur and professional photographers ask is, "Does this lens fit my camera?" This seemingly simple question can be quite complex, given the variety of camera brands, models, and lens types available on the market. Understandi...