Vivitar 7mm f/3.5 Series 1 Fisheye Manual Focus Lens

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Suitable For Both
Artistic and Technical Photography

Vivitar 7mm f/3.5 Series 1 Fisheye MF Lens This Vivitar 7mm f/3.5 Fisheye Lens is suitable for both artistic and technical photography. Extreme-wide angle lenses are pleasingly distorted in a hemispherical projection, resulting in an image that looks like the eye of a fish.

Conforms to APS-C (1:1.5x) size digital imaging format 7mm focal length Diagonal view of 180 degrees for APS-C size digital SLR cameras produces both high resolution and high contrast at the center of the lens

The petal type hood and multi-coating help control flaring and ghosting Stiff aluminum base offers robust durability. Lens is uniquely designed for Nikon cameras. Aperture ring allows you to adjust brightness efficiently

Best suited for APS-C sized sensors

180 diagonal angle of view

Multi-coated glass reduces flare and aberrations

A fisheye lens is a wide-angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology to study cloud formation and called "whole-sky lenses", fisheye lenses quickly became popular in general photography for their unique, distorted appearance. They are often used by photographers shooting broad landscapes to suggest the curve of the Earth. Hemispherical photography is used for various scientific purposes to study plant canopy geometry and to calculate near-ground solar radiation.

The first types of fisheye lenses to be developed were "circular fisheyes" lenses which take in a 180 hemisphere and project this as a circle within the film frame. Some circular fisheyes are available in orthographic projection models for scientific applications. These have a 180 vertical angle of view, and the horizontal and diagonal angle of view are also 180. Most circular fisheye lenses cover a smaller image circle than rectilinear lenses, so the corners of the frame will be completely dark.


Best suited for APS-C sized sensors

180 diagonal angle of view

Multi-coated glass reduces flare and aberrations

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Filter Size: n/a

f/Stop Range: 3.5-22

Minimum Focus Distance: Not specified by manufacturer

Magnification: Not specified by manufacturer

Angle of View: 180

Diagonal Groups/Elements: 7/10

Length: 4" (10cm)

Maximum Diameter: Not specified by manufacturer

Weight: 0.9 lbs (443g)

Item Includes
Lens Pouch

1-Year Warranty


Great for Panoramas, November 24, 2009

By Jeffrey Martin

This review is from: Vivtar 7mm f/3.5 Series 1 Manual Focus Fisheye Lens for Canon EOS Digital SLR Cameras (Electronics)

First of all, let's clarify that this lens is not made by Vivitar - it is rebranded and originally made by Samyang (as Samyang 8mm). It seems that the cosmetic design of the lens might be unique to Vivitar. You can find this lens also branded as Bower, Polar, Falcon, Rokinon, Digital Innovations. And of course, Samyang. The Vivitar version is the sexist-looking though. here is rokinon:

Rokinon 8mm f/3.5 Aspherical Fisheye Manual Focus Lens for Canon EOS 50D, 40D, 30D, 20D, 10D, Digital Rebel (300D), Rebel XT (350D), Rebel XTi (400D), Rebel XS (100D), Rebel XSi (450D) & Rebel T1i (500D) Digital SLR Cameras

You'll also notice that the other brands call this lens a different focal length - Samyang calls it 8mm for example. Just to be clear, these are all the same lens. Why the difference? Well, you probably don't even want to call the lens 7 or 8mm. If you compare it to other lenses, it will be closer to 10 or 12mm. The main issue is that this lens doesn't use the normal (equisolid) fisheye projection, but rather, a "stereographic" projection. What does this mean? It means that the "fisheye distortion" is not quite as pronounced at the sides of the image.

If you have a full-frame sensor, you can cut off the lens hood of this lens and have a "circular" fisheye similar to an 8mm lens on a 1.5 or 1.6 crop sensor. (yes this will void your warranty ;-)

Overall, the image quality of this lens is on par with lenses that cost twice as much, or more.

For some incredibly in-depth analysis of this lens, check the intrepid Michel Thoby's page:

Vivitar 7mm f/3.5 Series 1 Fisheye MF Lens

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