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Wide-Angle
Difference between 10mm wide-angle and 10.5mm fisheye
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<blockquote data-quote="EdgyPhoto" data-source="post: 8017" data-attributes="member: 2820"><p>A little more correctly.... A 10mm wide angle lens will be recti-linear (maintains straight lines as best as possible) whereas the 10.5 fisheye aarounds everything in the traditional "fisheye" sense. The 10.5 fisheye is 180-degrees **diagonally** thus it still fills the full frame rather than creating a round image that would be a full 180-degrees in all directions.</p><p> </p><p>So these 10-20 / 10-24 / 12-24 etc ultra-wide angle zooms are rectilinear wide zooms, though I *think* the Tamron 11-16 (or something like it, slips my mind exactly just now) is actually supposed to be more of a true "fisheye" zoom, though of course still not the true full circular fisheye.</p><p> </p><p>EricB</p></blockquote><p></p>
[QUOTE="EdgyPhoto, post: 8017, member: 2820"] A little more correctly.... A 10mm wide angle lens will be recti-linear (maintains straight lines as best as possible) whereas the 10.5 fisheye aarounds everything in the traditional "fisheye" sense. The 10.5 fisheye is 180-degrees **diagonally** thus it still fills the full frame rather than creating a round image that would be a full 180-degrees in all directions. So these 10-20 / 10-24 / 12-24 etc ultra-wide angle zooms are rectilinear wide zooms, though I *think* the Tamron 11-16 (or something like it, slips my mind exactly just now) is actually supposed to be more of a true "fisheye" zoom, though of course still not the true full circular fisheye. EricB [/QUOTE]
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Wide-Angle
Difference between 10mm wide-angle and 10.5mm fisheye
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