Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)

Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)

Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)

B&H # RO1352P MFR # 135M-P
Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)

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Product Highlights

  • Pentax K Mount Lens/Full Frame
  • 202.5mm (35mm Equivalent)
  • Aperture Range: f/2.0 to f/22
  • One Extra-Low Dispersion Element
  • Ultra Multi-Coating
  • Manual Focus, Manual Aperture Ring
  • Minimum Focus Distance: 2.6'
  • Filter Thread Diameter: 77mm
  • Removable Lens Hood
  • Rounded 9-Blade Diaphragm
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Reg. Price: $549.00

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Rokinon 135mm f/2.0 overview

  • 1Description

The 135mm f/2.0 ED UMC Lens for Pentax K Mount from Rokinon is a manual focus telephoto prime lens useful for portraiture and all medium telephoto applications. Its fast f/2.0 maximum aperture is effective in low light and enables shallow depth of field control. With a rounded 9-blade diaphragm, shallow depth of field imaging will be rendered with pleasing out-of-focus highlights. On Pentax APS-C format DSLRs the lens provides a 35mm focal length equivalence of 202.5mm. Its minimum focus distance is 2.6'.

The optical design includes one extra-low dispersion lens element to control chromatic aberration, contributing to sharp, color-accurate imaging, and each of its lens elements features Ultra Multi-Coating to improve light transmission and reduce ghosting and flare. An internal focus system prevents the front end from rotating which allows more effective use of variable filters.

A durable metal barrel with a wide focus ring and manual aperture control ring offer tactile control over focus and exposure. An included, removable lens hood deters stray light from entering the lens, while protecting it from accidental impact and precipitation. 

Manual focus prime lens for portraiture and general telephoto applications
One extra-low dispersion (ED) lens element reduces chromatic aberrations
Ultra Multi-Coating (UMC) on the lens elements minimizes ghosting
Non-rotating filter mount
Removable lens hood
This lens features a mechanical aperture coupling that permits the use of aperture priority and automated exposure modes, as well as the ability to control the aperture setting with Pentax DSLRs
UPC: 084438764161
In the Box
Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)
  • Lens Hood
  • Front Lens Cap
  • Rear Lens Cap
  • Carry Pouch
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Rokinon 135mm f/2.0 specs

    Performance
    Focal Length 135mm
    Comparable 35mm Equivalent on APS-C Format Focal Length: 202.5 mm
    Aperture Maximum: f/2 - 22
    Camera Mount Type Pentax K
    Format Compatibility 35mm Film / Full-Frame Digital Sensor
    Pentax Digital (APS-C)
    Angle of View 18.8°
    APS-C Picture Angle: 12.4°
    Minimum Focus Distance 2.6' / .79 m
    Optical Design 11 Elements in 7 Groups
    Diaphragm Blades 9, Rounded
    Features
    Image Stabilization No
    Autofocus No
    Tripod Collar No
    Physical
    Filter Thread Front: 77 mm
    Dimensions (DxL) Approx. 3.2 x 4.75" / 8.13 x 12.06 cm
    Weight 28.92 oz / 820 g
    Packaging Info
    Package Weight 2.45 lb
    Box Dimensions (LxWxH) 8.0 x 5.2 x 5.2"

    Rokinon 135mm f/2.0 reviews

    135mm f/2.0 ED UMC Lens (Pentax K) is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Good portrait lens This lens was purchased for my Pentax K-1 camera. The manual focusing is precise, albeit a touch heavy. On the camera single spot focus indication with beep is precise and accurate. The bokeh from this lense is beautiful, very smooth, seamless transition from in-focus to out of focus areas. The lens is also very sharp.
    Date published: 2016-05-15
    Rated 5 out of 5 by from Great Landscape Lens. I use this mostly for landscape and nature photography, and would highly recommend this lens. I have my camera on a tripod for 90% of my shots so the manual focus is not an issue, in fact I love the manual focus with the live view on my Pentax K1. Sharpness is fantastic!
    Date published: 2017-07-31
    • y_2018, m_6, d_17, h_19
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    Rokinon 135mm f/2.0 Q&A

    Rokinon 135mm f/2.0 accessories

    Rokinon 135mm f/2.0 add-on savings

    The more you Add-On the more you save (when you buy the Rokinon 135mm f/2.0 ED UMC Lens (Pentax K))

    Designed for use with:

    • Pentax K-1
    • Pentax K-1 II
    • Pentax K-3 II
    • Pentax K-70
    • Pentax K-S2
    • Pentax KP
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