Pentax Mount Adapter K

Pentax Mount Adapter K

Pentax Mount Adapter K

B&H # PEMAK MFR # 30120

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Pentax 30120 Overview

  • 1Description

The Pentax Mount Adapter K allows a Takumar screw mount lens to attach to a Pentax K mount camera.

Note: With this adapter the automatic diaphragm will not work, so meter reading must be made with the lens aperture stopped down.

UPC: 027075003965
Table of Contents
  • 1Description

Pentax 30120 Specs

Adapter
Camera Mount Pentax K
Lens Mount M42
Physical
Packaging Info
Package Weight 0.05 lb
Box Dimensions (LxWxH) 3.5 x 3.0 x 0.05"

Pentax 30120 Reviews

Mount Adapter K is rated 4.7 out of 5 by 31.
Rated 5 out of 5 by from It works! It's a bit expensive, but it's reliable, adapts M42 lenses to my K-mount camera (K-r), and it doesn't jam like the generic one I had did. It's very strong, and very precise machining, capable of mounting a heavy Dietz 28-80mm f/3.5 zoom without problem. It can also be removed without special tools, unlike the generics. It's pricy, but it's the only M42 adapter that works flawlessly. I'd buy another one for another camera if I needed one. Only issue I have is that stop-down metering is horribly inaccurate with my Takumar lenses, but that can be fixed with a +3EV compensation or no compensation in Live View. Not a problem with the adapter, just Pentax's buggy code.
Date published: 2012-05-01
Rated 5 out of 5 by from New camera, old glass This mount adapter is a marvel of precision design and machining. My first thought when I saw it was, I paid $$for this!. But when I started using it I discovered it was well worth the money. I recently changed my digital camera system to obtain sharper images. Because I am a geologist, often working in dusty, wet, cold, nasty conditions, I chose the Pentax K-5 IIs because of its rugged construction, weather/dust-resistance, and lack of anti-aliasing filter. This little device makes it possible for me to use the Takumar Super Multi Coated lenses (w/Pentax screw mount) that I have used with my Asahi Pentax Spotmatic (film camera) that I purchased in Japan in 1968. Those lenses have been a true treasure for decades, and it is very comforting to be able to continue using them with digital photography.
Date published: 2014-10-14
Rated 5 out of 5 by from You get what you pay for I only had a couple M42 lenses for my K30, and didn't originally want to pay a lot for an adapter, so I went cheap with one from @ that didnt' focus to infinity, didn't come out of the camera easily, left me frustrated and cursing often, and in general made me avoid using the lenses. Then I got hold of a Super Tak fast fifty that is a work of art - re-annodized and CLA'd by DCShooter (on pentaxforums - great guy). This is an Amazing lens and I didn't want to go thru the frustrations I had with the cheap knock-off, so I came to B&H and acquired the real deal. What a difference! WOW - the quality of the machining, how easily it goes into, and comes out of, my K-30, and having a full focus throw are well worth the relatively higher price! You might think you're saving money, and you might not care about the aggravation, but once you experience it - get the real deal and be happy with all that terrific old glass!
Date published: 2014-09-05
Rated 4 out of 5 by from Pentax Mount adapter K I am using this for the SMC takumar lens I got on the net used. It works and right now having no problems. Others have problems with this mount. Second it was sent very quickly I give praise to B&H in that they are fast shipers I dare say the fastest even faster than the Big A!, if you know who I mean. Their customer service is very good. Things I do not like about it, even thought it works have yet to figure out if it is a knock off or original pentax part. But it works. It could fit better in the camera. You must be real carefull putting it in. Whether it is original part or not it could fit better should be seamless. But that is not B&H fault it is the part makers fault. I might have given it one too many stars but the extra star for service and arriving quickly.
Date published: 2011-11-16
Rated 5 out of 5 by from Best option Glad to see these back in stock. I remove the clip and screw them on to my M42 lenses to make the lens a K mount. You have to be a bit careful because the will no longer clip into place and therefore it is possible for the lens to fall off you camera. But in practice the lens is snuggly attached to the camera and I have never had an issue with the lens coming unmounted.
Date published: 2012-12-04
Rated 4 out of 5 by from Expensive but what can you do 4 stars only because of the price tag. I think 50 i steep but after readiong all of the problems people have with the cheaper ones... I got this one. It is machined beautifully. It fits in nicely. I don't know why people complain about a little tool for taking it off and on... really? I use my fingernail and they are incredibly short. I can't imagine having a better working adapter for my K7 to m42 lenses. But I can sure imagine having a worse one. It's up to you, but I would recommende Pentax
Date published: 2015-01-02
Rated 4 out of 5 by from Pentax Mount Adapter K works well I use this adapter to attach a Pentax 55mm Takumar screw mount lens (from about 1964-65) to my K10D. It is well made and easy to use. The only minor negative is that it attaches to the camera mount rather than to the lens and I have to release a little latch on the mount to remove it. Not a problem really but takes an extra few seconds to reattach a K-Mount lens.
Date published: 2011-03-01
Rated 5 out of 5 by from Quality you can rely upon I use the Mount Adapter K to mechanically link early screw mount lens (Pentax) to K mount flang found on digital SLR cameras like Pentax K-5. The adapter, bearing the Pentax brand fits well in all aspects; whereas, knock-off brand I have tried has mechanically jamb on my K-5. Recommend removing the adapter spring clip so lens and adapter can easily be removed together from digital body.
Date published: 2012-04-16
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