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About this product
Product Information
The Pentax M 50 mm lens, having 6 elements in 5 groups, lets you change set the focus as per the requirement. With a maximum aperture of f/1.7, this Pentax lens provides great contrast and sharp colors. 49 mm filter of this SMC lens ensures perfect light transmission to produce bright pictures. Minimum focusing distance of 45 cm in this Pentax lens gives clear pictures even if you click very closely. Having a 6 blade diaphragm, stopping down to f/22, out-of-focus objects come clear with this SMC lens. The Pentax M lens, with a Maximum Reproduction Ratio of 1:12.5, captures minute details of small objects clearly.Product Identifiers
BrandPENTAX
MPN20907
UPC0027075023062
eBay Product ID (ePID)101701209
Product Key Features
MountPentax K
Focal Length50mm, Fixed/Prime
Maximum Aperturef/1.7
SeriesPentax SMC
TypeStandard
Focus TypeFixed/Prime, Manual
Additional Product Features
Aperturef/1.7
Compatible BrandRicoh
Focal Length (mm)50mm
Camera TypeSLR
Camera TechnologyDigital
Product LinePentax Smc
Ratings and reviews
Most relevant reviews
- 26 Jul, 2017
Excellent lens for the price!
I scored this lens super cheap and am really happy with it! Nice color and contrast and center is very sharp from f2. Whole image is razor sharp from f5.6. I am using this lens on a Sony Nex 5n which is APS-C so I don't see the actual corners of the image though. Build quality of this lens is A+, smooth focus ring and aperture clicks. Wide open at f1.7 everything is pretty soft but the center is still sharp enough for portraits. If you shoot wide open at anything strongly lit you will get ghosting and CA but this can be used for artistic effect. Also bokeh when stopped down is hexagonal so that may be a con for you if you like creamy bokeh. Overall I highly recommend this lens.
Verified purchase: YesCondition: Pre-owned
- 12 Jun, 2018
Excellent value for a consistent, durable lens.
the Pentax-A 50 f1.7 is, first of all, a super good value for a very decent lens. I'm using the lens on 35mm B&W film and as far as I can tell, it stays consistently sharp even at the larger apertures. Speaking of apertures, it only has 6 blades, so at smaller apertures the hexagonal bokeh comes into play. Not my favorite thing, but besides that it's an excellent, straight forward lens.
Verified purchase: YesCondition: Pre-owned
- 07 Apr, 2017
A lot of lens for your money.
Great little lens. Has some heft to it and I'm very confident in its durability. Manual focus is quick, and it has a nice wide aperture for low light and quick shooting. If you're ok with fully manual controls, this is incredible value.Verified purchase: YesCondition: Pre-owned
- 05 Jan, 2016
Wonderful lens.....
The images are sharp but using a manual lens is quite a challenge in this autofocus era. But once you get used to it, the images speak for themselves. The lens is compact, heavy and well built. Good focus and aperture rings. No complaints at all with this one.Verified purchase: YesCondition: Pre-owned
- 17 Dec, 2015
Just buy it!
Sharp, metal construction, big aperture, small, looks good! It's the best, I didn't realize how good it was until I put it in my camera and see the stunning image quality, man, it's just awesome, and for around $40, that's for how much I got it, it's a no brainer.Verified purchase: YesCondition: Pre-owned
- 06 Jul, 2016
Sharp lens
Lens is fantastic bargain, high quality build, very sharp, giving beautiful pictures. Mine is like brand new, with absolutely no defect, smooth stops. It's became my most favorite lens. Delivered from Japan, perfectly packaged. Nothing negative can be said about the product or the source of it. 5 stars +Verified purchase: YesCondition: Pre-owned
- 27 Jan, 2020
Great little lens
Small, light lens that fits perfectly on my ME Super. Focus is buttery smooth and responsive. As with all Pentax lenses, they are reversed so that infinity focus is achieved by turning the ring all the way counter-clockwise (facing the lens) which means that focus can be quickly achieved from infinity. Images are contrasty and sharp at f2.4 and higher. Some glow at f1.7 but that is to be expected from a vintage lens wide open.Verified purchase: YesCondition: Pre-owned
- 13 Jul, 2017
I bought 2
I love these lenses, I have two that I use for astrophotography. Stoped down to F4 they work great.Verified purchase: YesCondition: Pre-owned
- 06 Sep, 2018
Great lens for adaption to Micro 4/3 camera.
Well constructed and well preserved legacy Pentax lens.Verified purchase: YesCondition: Pre-owned
- 17 Feb, 2017
Exellent lens. With fast focus
All is very good.Verified purchase: YesCondition: Pre-owned
