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

BH #RO1352P • MFR #135M-P
Rokinon 135mm f/2.0 ED UMC Lens (Pentax K)
Key Features
  • Pentax K Mount Lens/Full Frame
  • 202.5mm (35mm Equivalent)
  • Aperture Range: f/2.0 to f/22
  • One Extra-Low Dispersion Element
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'.
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Rokinon 135mm f/2.0 Overview

By B&H Photo's

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

Rokinon 135mm f/2.0 Specs

Focal Length
135mm
Maximum Aperture
f/2
Minimum Aperture
f/22
Lens Mount
Pentax K
Lens Format Coverage
Full-Frame
Angle of View
18.8°
Minimum Focus Distance
2.6' / 0.79 m
Optical Design
11 Elements in 7 Groups
Diaphragm Blades
9, Rounded
Focus Type
Manual Focus
Image Stabilization
No
Filter Size
77 mm (Front)
Dimensions (ø x L)
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 x 5.2 x 5.2"

Rokinon 135mm f/2.0 Reviews

See any errors on this page? Let us know

Does it have an aperture lever to allow me to ...

Does it have an aperture lever to allow me to focus wide open and have the camera stop it down when I shoot? The picture does not show this.
Asked by: John
This is a manual lens, both the focus and aperture are controlled on the lens itself. You will be able to adjust the aperture on the lens.
Answered by: Joseph
Date published: 2019-04-07

I have a older Rokinon 85mm that has Focus ...

I have a older Rokinon 85mm that has Focus Confirmation and A setting on the apreture ring. Does the 135 have the same?
Asked by: George
This lens does have "A" on the lens but does not have focus confirmation.
Answered by: Rob
Date published: 2019-08-12

question

Can I use this lens on a super 35mm digital camcorder like the Sony FS700?
Asked by: Landmark P.
As the Sony NEX-FS700R Super 35 Camcorder uses the Sony E-mount, not the Canon EF lens mount, the above lens would not work for your needs. Instead, you would need to purchase the Rokinon 135mm f/2.0 ED UMC Lens for Sony E MountB&H # RO1352SE, for use on the Sony NEX-FS700R Super 35 Camcorder. Do note this is a fully manual lens, so you will need to set the focal length and aperture on the lens manually.
Answered by: Manzell L.
Date published: 2018-08-26

question

I'm finding conflicting information online. Does this work with the Sony FE mount on the Sony a7 series?
Asked by: Anonymous
The lens is a full frame lens and works perfectly well on the Sony A7 and A7 series of cameras.
Answered by: sean l.
Date published: 2018-08-26

Is this lens compatible with the Nikon D3500?

Is this lens compatible with the Nikon D3500?
Asked by: Lynn
Unfortunately for some reason the chip does not work on the D3500. The lenses are compatible but in fully manual mode and only on M, the other modes give a lens incompatible warning.
Answered by: Gabriela
Date published: 2023-06-15

question

What does it mean by manual focus ring in specs section? Can i use auto-focus with this lens?
Asked by: Irfan A.
No you can't, this is the fully manual lens.
Answered by: Aleksei P.
Date published: 2018-08-26

Where is this lens made in?

Where is this lens made in?
Asked by: Jibu
Rokinon 135mm f/2.0 Lens for Nikon F Mount with AE Chip is made by Rokinon South Korea manufacturers.
Answered by: llinelva
Date published: 2021-11-16

Is this lens compatible with the Nikon D800 and ...

Is this lens compatible with the Nikon D800 and Nikon D5300? On the product page, only D800E is listed.
Asked by: Karthik
The Rokinon 135mm f/2.0 Lens for Nikon F Mount with AE Chip is compatible with both the D800 and the D5300. Do note that there is a 1.5x crop factor when using this lens on the D5300 so the true focal length will be approximately 202.5mm.
Answered by: Collin K
Date published: 2024-04-03
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