#CANON 8 15MM FISHEYE FULL#
#CANON 8 15MM FISHEYE FREE#

You probably are going to want to avoid this physical vignetting in your images. Unless you are planning to further process your images (cropping or removing distortion),

#CANON 8 15MM FISHEYE FULL#

The 8-15 delivers the same results on a full frame body when not used at the full extents of the focal length range. That are probably not going to be desired much of the time. When used on APS-H and APS-C format bodies, the Canon EF 8-15mm f/4L USM Fisheye Lens delivers partial circular fisheye results (black rounded corners) Reach full frame fisheye coverage at about 12mm and APS-C (1.6x) bodies reach full frame fisheye coverage at about 10mm. Though the diagonal AOV does not change much as the focal length is increased on a full frame DSLR, the size of the details in the image are noticeably enlargedĪnd the image circle becomes cropped on the sides until the point a full frame fisheye image is reached.ĪPS-H format (1.3x) DSLRs (such as the Canon EOS-1D Mark IV) More specifically, these cameras do not allow the full circular fisheye option.įollowing is a Canon-provided diagram that illustrates the image circle coverage over the focal length range. Of course, using the Canon EF 8-15mm f/4L USM Fisheye Lens on smaller sensor format cameras produces differing results. You see everything directly above, below and to the sides of the camera as well as everything in front of the camera. I positioned the camera directly above the windshield frame on our '92 MasterCraft ProStar 190 ski boat and instructed my brother to drive us into the sunset. You are looking at everything in front of the plane that runs across the front of the lens. Here is a full circular fisheye sample photo. Small amount of the image circle being cropped at the corners (where diagonal AOV is measured) at 15mm with an infinity focus distance. This means that the diagonal angle of view remains similar through most of the FLR with only a Here is why: the Canon EF 8-15mm f/4L USM Fisheye Lens, on a full frame format DSLR body, is a 'circular fisheye' at 8mm and a 'full-frame fisheye' at 14-15mm. Not by zooming through the entire focal length range (FLR). This range seems very small for a lens with a nearly 2x zoom range - and provides a clue about the 8-15's uniqueness.Īdding to the unusualness is that this full frame DSLR AOV range is achieved via zooming between approximately 14mm and 15mm.

The 8-15's AOV spec, for full frame sensor cameras, is 180º - 175º 30' respectively. Select Canon USA Refurbished Gear On Sale, RF 100-500 In StockĪs you may have guessed from its name, the 8-15 Fisheye is all about angle of view (AOV).

#CANON 8 15MM FISHEYE FREE#

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Canon 8 15mm fisheye