Mitakon Zhongyi Pentax K Lens to Sony E-Mount Camera Lens Turbo Adapter Mark II

BH #MIMK2LTPKSE • MFR #MTKTLM2PK2SE
Mitakon Zhongyi
Mitakon Zhongyi Pentax K Lens to Sony E-Mount Camera Lens Turbo Adapter Mark II
Key Features
  • Pentax K Lens to Sony E Camera
  • Widens Angle of View by 0.726x
  • Increases Maximum Aperture 1 Stop
  • One Extra-Low Dispersion Element
The Pentax K Lens to Sony E-Mount Camera Lens Turbo Adapter Mark II from Mitakon allows Pentax K lenses to be mounted on Sony E-Mount APS-C format cameras, increasing the angle of view by 0.726x and the maximum aperture of the lens by 1 f-stop.
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Mitakon Zhongyi MTKTLM2PK2SE Overview

The Pentax K Lens to Sony E-Mount Camera Lens Turbo Adapter Mark II from Mitakon allows Pentax K lenses to be mounted on Sony E-Mount APS-C format cameras, increasing the angle of view by 0.726x and the maximum aperture of the lens by 1 f-stop.

The four optical elements of the Lens Turbo adapter condense light from the Pentax K full frame lens and project it onto the camera's APS-C sensor allowing the sensor to capture all of the lens' transmitted light, negating the 1.5x crop factor and effectively producing full-frame coverage on non-full-frame sensors. A corresponding increase in the maximum aperture of 1 f-stop makes the lens more effective in low-light situations.

The Mark II version of the Lens Turbo features an improved design to produce sharper images. Its rectangular rear lens rests closer to the camera's sensor improving light transmission and an enhanced lens coating minimizes ghosting and flare. One extra-low dispersion (ED) lens element reduces aberrations for better delineated images. The adapter offers a sturdy metal construction and stainless steel mounts, it attaches to both camera and lens with little play and includes a front and rear protective cap. The Lens Turbo is a manual adapter offering no electronic communication between lens and camera.

The Lens Turbo adapters are compatible with APS-C sized sensors. Although they will physically fit the Sony full frame mirrorless cameras, the camera must be set to Crop Mode to fully support the speed booster's functions.

Allows Pentax K lens to be mounted on Sony E-Mount (NEX) camera
Increases the angle of view by 0.762
Increases maximum aperture by 1 stop
4 lens elements in 4 groups including 1 extra-low dispersion element
Optimized lens coating to reduce ghosting and flare and improve over-all image quality
UPC: 682962946888

Mitakon Zhongyi MTKTLM2PK2SE Specs

Adapter
Camera MountSony E (APS-C)
Lens MountPentax K
Magnification0.726x
Optical Design4 Elements in 4 Groups
Physical
Weight5.0 oz / 141 g
Packaging Info
Package Weight0.525 lb
Box Dimensions (LxWxH)4.15 x 4.15 x 2.7"
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YOUR RECENTLY VIEWED ITEMS

question

will this adapt ricoh lenses to sony a7 e cameras, if not which adaptor does this ?
Asked by: allen k.
While you can use the Mitakon Zhongyi Pentax K Lens to Sony E-Mount Camera Lens Turbo Adapter Mark II to mount Pentax K-mount lenses onto a Sony a7, you would need to shoot in APS-C /Crop sensor mode. You would need to use an adapter that is designed for full frame Sony E-mount cameras if you want to take advantage of the a7s full frame sensor. http://bhpho.to/2fVNIdj
Answered by: Christina S.
Date published: 2018-08-25

question

Can I change the F stop on my manual lens while using this adapter, or will it stay at max aperture? The aperture is changed by a ring on the lens, buts stays open for focusing until the camera closes it.
Asked by: Anonymous
Yes you can change the f/stop on the lens if the lens has an f/stop ring.
Answered by: Robert K.
Date published: 2018-08-25

question

Will this adapter cause vignette if using Pentax APS-C lenses, such as Pentax DA* 50-135 lens?
Asked by: Danngis L.
If you are using the lens and adapter on an E-mount camera with an APS-C size sensor camera, there shouldnt be vignetting. If you are using a full frame E-mount camera, then the Pentax lens for APS-C size sensors would cause vignetting.
Answered by: Christina S.
Date published: 2018-08-25

Will auto focus function on Pentax lens work with ...

Will auto focus function on Pentax lens work with this adapter on Sony E mount full frame camera?
Asked by: Tony
No, this is a manual focus adapter only.
Answered by: Rob
Date published: 2020-09-30

question

If I use this adaptor to mount a 50mm k-mount lens on my FS7 (super-35 sensor), will the resulting focal length remain at 50mm or widen to 35mm?
Asked by: Thomas P.
Short answer: about 50mmLong answer: Super-35 has a crop factor of approximately 1.4x compared to 35mm full frame, so a 50mm lens mounted on a Super-35 sensor without intervening optics would give about the same field of view as a (50 x 1.4=) 70mm lens does on full frame. A focal reducer like this Mitakon one could increase that field of view to about 50mm. This Mitakon adapter reduces the focal length by 0.726x. I don't know the exact sensor size of the FS7 (because digital Super-35 sensors vary), but assuming it to have a 1.4x crop factor, then with the Mitakon adapter you will get a field of view equivalent to 50mm x 1.4 x 0.726 = 50.88mm on a full frame sensor.One possible caution: This Mitakon focal reducer is designed to project an image circle that does a good job covering a Sony APS-C size sensor. Super-35 sensors have a slightly greater diagonal length, so you 'might' not get good sensor coverage in the extreme corners -- I don't know and haven't tried it with the larger sensor. It works very well on my APS-C camera.
Answered by: DAVID M.
Date published: 2018-08-25
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