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Canon Introduces the EF 8-15mm f/4L USM Fisheye Zoom Lens

For photographers, the end of summer is usually met with new product announcements from the major camera manufacturers. In keeping with tradition, Canon has announced a new camera – the EOS 60D – and six new professional lenses. The one new release that seems the most interesting to me is Canon’s new EF 8-15mm f/4L USM Fisheye Zoom. For full frame cameras like the EOS 5D Mark II and the EOS-1Ds, this new lens gives you the option between using it as a regular fisheye lens, or using it as a circular fisheye lens. If you’re not familiar with the difference between the two types of fisheye effects, here is how Canon explains it:

Full-frame vs. Circular fisheye lenses
Nearly all SLR users are familiar with fisheye lenses, but many may not realize that over the years, they’ve been split into two categories:

  • Fisheye lenses
    These lenses give a definite curved look to straight lines, with their pronounced barrel distortion. But even used on a full-frame camera (or a traditional 35mm film camera), they cover the entire frame, corner to corner, with a diagonal angle of view of 180 degrees. Traditionally, these ultra-wide lenses have been around 15mm or 16mm in focal length.
  • Circular Fisheye lenses
    These are much more rare in today’s digital SLR world, but have been used for decades with traditional 35mm film SLRs.
    Circular fisheye lenses (such as the EF 8-15mm f/4L USM shot at 8mm on the full frame EOS 5D Mark II camera, above) capture a 180-degree angle of view in every dimension, creating a literal ‘circle’ of an image in the center of the frame. Note that for this effect, a full frame sensor camera is necessary. These lenses have even shorter focal lengths (around 7~8mm), and produce a small circular image in the center of the frame, surrounded by black, unexposed area on the outer areas of the frame. Like any fisheye lens, they certainly bend straight lines… but unlike the “full-frame” type, they generate an image whose outer edges are circular, and cover a 180-degree angle of view in every dimension, not just diagonally.

That alone would make this lens interesting, but what is even more interesting is this lens also offers a traditional fisheye effect on cameras with smaller sensors (also called “cropped sensors”). Traditional fisheye lenses made for full frame cameras typically are pretty unexciting on small sensor cameras because these cameras don’t “use” the whole lens. Some manufacturers make fisheye lenses specifically for small sensor cameras, but these lenses do not work on full-frame sensor cameras. Now with this new lens from Canon, photographers like myself that have both types of cameras are able to get a fisheye effect with just one lens. VERY cool.

If you’re looking to find out more about this lens, check out this article on Canon’s Digital Learning Center or you can get more information about it on Canon’s website.

Here are a couple images of the lens.

In my opinion, fisheye lenses can offer a very unique perspective to certain scenes, but it’s easy to overuse it. I tend to look for scenes with symmetry that I can accentuate with the distortion. It’s a great tool to have in your camera bag because it does something none of my other lenses do, but I tend to use it sparingly. I have the original 15mm Fisheye lens; here are a few images I’ve taken with it:

Canon is expecting to ship this lens in January 2011, so look for it then!

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