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Samyang 135mm f/2.0 ED UMC Pentax Lens - Telephoto — main product image
Samyang

Samyang 135mm f/2.0 ED UMC Pentax Lens - Telephoto

★★★★★4.6 (189 reviews)
f/2.0

Capture Stunning Telephoto Images with PrecisionThe Samyang 135mm f/2.0 ED UMC Telephoto Lens is a high-speed telephoto lens designed to deliver superb out-of-focus highlights (Bokeh) with its circular 9-blade diaphragm. Featuring high-performance ED glass elements, UMC anti-reflective Ultra Mult...

$479.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Capture Stunning Telephoto Images with Precision

The Samyang 135mm f/2.0 ED UMC Telephoto Lens is a high-speed telephoto lens designed to deliver superb out-of-focus highlights (Bokeh) with its circular 9-blade diaphragm. Featuring high-performance ED glass elements, UMC anti-reflective Ultra Multi-Coating, and close focusing capabilities, this lens is tightly color matched to the Samyang lens system, ensuring exceptional image quality and versatility.

Specifications:
  • Focal Length: 135mm
  • Aperture: f/2.0
  • Diaphragm: Circular 9-Blade
  • Elements: ED Glass Elements
  • Coating: UMC Anti-Reflective Ultra Multi-Coating
  • Minimum Focus Distance: 2.6 feet
  • Mounts Available: Pentax K

Key Features

Samyang Ultra Multi-Coated (UMC) Optics

Minimum Focusing Distance of 2.6 ft. with fast apertures of f2.0 - f22

Features 9 diaphragm blades and includes a removable lens hood

Includes lens pouch, front and rear lens caps, removable lens hood and 1 year Samyang warranty

Specifications

Focal Length
135mm
Maximum Aperture
f/2.0
Minimum Aperture
f/22
Lens Coating
Ultra Multi-Coated (UMC)
Minimum Focusing Distance
2.6 ft
Diaphragm Blades
9
Lens Mount
Pentax
Lens Type
Telephoto
Included Accessories
Lens pouch, front and rear lens caps, removable lens hood
Warranty
1 year Samyang warranty

Pros & Cons

👍 Pros

  • The Samyang Ultra Multi-Coated (UMC) Optics are designed to reduce flare and ghosting, enhancing image clarity.
  • A fast maximum aperture of f/2.0 allows for excellent low-light performance and shallow depth of field control.
  • The lens offers a minimum focusing distance of 2.6 ft, enabling close-up shots with appealing background blur.
  • Its telephoto focal length of 135mm is well-suited for portraiture and isolating subjects.
  • The lens includes 9 diaphragm blades, which contribute to smooth and pleasing bokeh in out-of-focus areas.

👎 Cons

  • This is a manual focus lens, which requires precise manual adjustment for critical sharpness, potentially slowing down shooting.
  • Being a telephoto prime lens, it lacks the versatility of a zoom lens and requires physical movement to adjust framing.
  • The lens is designed for Pentax mounts, limiting its direct compatibility to Pentax cameras without adapters.
  • Specific weather-sealing or dust resistance features are not mentioned, which could be a consideration for outdoor use.
  • The f/2.0 to f/22 aperture range is standard but does not include extremely wide apertures found on some specialized lenses.

Frequently Asked Questions

No, the product features indicate this is a manual focus lens, requiring users to adjust focus manually.
The lens features 9 diaphragm blades, which are designed to produce smooth and aesthetically pleasing bokeh in the out-of-focus areas of your images.
This Samyang 135mm lens has a minimum focusing distance of 2.6 feet, allowing for relatively close-up subject isolation.
Yes, a removable lens hood is included with the Samyang 135mm f/2.0 ED UMC Pentax Lens.
With a fast maximum aperture of f/2.0, this lens is well-suited for capturing images in low-light conditions and for achieving a shallow depth of field.

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