Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens

BH #PE50135DA • MFR #21660
Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens
Key Features
  • K Mount Lens/APS-C Format
  • 76.5-207mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Three Extra-Low Dispersion Elements
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The smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens from Pentax is a telephoto zoom designed for APS-C-format K mount DSLRs, where it will provide a 76.5-207mm equivalent focal length range. Three extra-low dispersion elements are incorporated within the optical design, which help to reduce chromatic aberrations and improve clarity and sharpness. Benefitting handling, the constant f/2.8 maximum aperture ensures consistent performance throughout the zoom range and also enables working with shallow depth of field and selective focus techniques. This lens also features an SDM autofocus motor that provides quick, near silent focusing performance and a Quick Shift Focus System for instantly switching between manual and autofocus operation.
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Pentax DA* 50-135mm f/2.8 ED (IF) SDM Overview

The smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens from Pentax is a telephoto zoom designed for APS-C-format K mount DSLRs, where it will provide a 76.5-207mm equivalent focal length range. Three extra-low dispersion elements are incorporated within the optical design, which help to reduce chromatic aberrations and improve clarity and sharpness. Benefitting handling, the constant f/2.8 maximum aperture ensures consistent performance throughout the zoom range and also enables working with shallow depth of field and selective focus techniques. This lens also features an SDM autofocus motor that provides quick, near silent focusing performance and a Quick Shift Focus System for instantly switching between manual and autofocus operation.

This lens is treated with an smc coating for maintained light transmission, high contrast, and color-neutral imagery. Additionally, an SP (Super Protective) coating has also been applied to the front surface of the lens to repel oils and water, and the lens' design itself is also weather-resistant to better support working in trying conditions.

This telephoto zoom is designed for use with K mount APS-C DSLR cameras where it will provide a 76.5-207mm equivalent focal length range.
Incorporates three extra-low dispersion elements to compensate for chromatic aberrations and distortions.
DA*-series lenses feature tightly sealed, weather-resistant and dust-resistant construction that enhance durability for use in rain or dusty conditions.
The Supersonic Drive Motor (SDM) helps to achieve fast, precise, and smooth focusing performance to benefit working with a variety of subject types.
Quick-Shift Focus System allows to instantly switch the focus mode from AF to manual with a slight twist of the focus ring.
SP (Super Protective) coating has been applied to the front surface of the lens to offer excellent water- and oil-repellent performance.
Nine-blade diaphragm helps to produce smooth out-of-focus highlights when using shallow depth of field techniques
UPC: 027075129276

Pentax DA* 50-135mm f/2.8 ED (IF) SDM Specs

Focal Length50 to 135mm (35mm Equivalent Focal Length: 76.5 to 207mm)
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountPentax K
Format CompatibilityAPS-C
Angle of View31.5° to 11.9°
Minimum Focus Distance3.28' / 1 m
Maximum Magnification0.17x
Optical Design18 Elements in 14 Groups
Diaphragm Blades9
Focus TypeAutofocus
Image StabilizationNone
Filter Size67 mm (Front)
Dimensions (ø x L)3.01 x 5.35" / 76.5 x 136 mm
Weight1.51 lb / 685 g
Packaging Info
Package Weight2.415 lb
Box Dimensions (LxWxH)7.4 x 6.4 x 4.8"
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question

I have Pentax K-1 camera. Can I use this lens on mu Pentax?
Asked by: adam
yes you can use it with the K1. I do it all the time however your K1 will operate as a crop sensor camera. other than that it will be fine.
Answered by: Lawrence M.
Date published: 2020-04-09

question

Will it work on Canon 5D with K to EF mount adapter?
Asked by: Raquel C.
B&H does not carry an adapter that would enable one to mount a K-mount lens onto a Canon EOS body, nor am I aware of one on the market. That being said, even if you were able to find an adapter, this lens is designed for APS-C size sensors, so its image circle wouldnt cover the 5Ds entire sensor. You would also likely lose all auto functions.
Answered by: Christina S.
Date published: 2019-09-28

question

is f/2.8 available through out all zoom positions?
Asked by: Anonymous
Yes, it is.
Answered by: NAVEEN N.
Date published: 2019-07-09
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