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Samyang 8mm F3.5 UMC Fisheye CS II Lens in Pentax Fit

The Samyang 8mm F3.5 UMC Fish-eye CS II is built for APS-C, but it can also be used on full-frame cameras with the lens hood detached.

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Product Code: 7618


The Samyang 8mm f/3.5 Asph IF MC Fisheye CSII Lens is a high quality Fisheye type ultra wide angle lens aimed at digital SLRS / DSLRS with an APS-C size Cropped Sensor (CS).

It is a “full frame” diagonal fisheye lens for APS-C DSLRs, meaning that the image it produces fills the frame on APS-C cameras. It produces an immense field of view - 180 degrees on 1.5x crop sensors, or on 1.6x crop sensors such as Canon EOS APS-C DSLRs produces 167 degrees.

On Full frame cameras, it produces a vignetted image, which is almost circular with the lens hood detached. This effect is required for user wanting the biggest image / field of view for panoramic software on full frame cameras, and one of the reasons Samyang produced this removable lens hood version. The Samyang 8 mm Fish-eye lens is ideal for creating panoramas and 360 virtual tours, including full 360 degree images with the correct hardware and various 3rd party panoramic software supplied by other vendors.

The optical construction of the lens is 10 elements placed in 7 optical groups. The Samyang 8mm fisheye features an aspherical hybrid lens and newest generation multilayer anti–reflection multi-coating (MC) to minimise flare and ghosting.

As with all current Samyang lenses it features manual focus. The body of the 8mm fish-eye lens does not change size due to the IF Internal focusing design.

Fisheye lenses are also popular for special effects use where distortion and field curvature, exaggerated perspective, or extreme depth of field are desired. Groups such as skateboarders are embracing the Samyang fisheyes for skate videos and photography, due to their very high quality, yet are an extremely affordable option; the alternatives are highly expensive, or are low quality lens adapters offering sub-standard quality.

The Samyang 8mm fisheye lens offers some of the best optics in a lens for its class, and exceptional value for money. A specialist lens, affordable to every photographer.

Samyang 8mm F3.5 UMC Fisheye CSII Lens Features:

Focal length:
Maximum aperture:
Filter Diameter:
Number of diaphragm blades:
Lens construction:
10 elements / 7 Groups
Minimum focus distance:
Focus type:
75 x 74.8 mm
Included Accessories:
Front and rear Lens caps, soft lens bag, removable / detachable lens hood.


Lens Mount Pentax K
Lens Type Fisheye
Focal Length 12mm
Aperture Type Constant
Maximum Aperture F2.8
Stabilised No
Warranty Period 3 Years


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