Re: What's better for a 1.6x crop factor body, 8mm or 4.5mm?
- DON'T BUY A 4.5MM
if you do, you'll feel REALLY bad when you click "view fullscreen" and your pano isn't sharp enough. I've heard this a few times already from people who bought the 4.5mm.
get an 8mm and don't look back. :-)
--- In PanoToolsNG@yahoogroups.com, "Roger D. Williams" <roger@...> wrote:
> On Tue, 01 Dec 2009 14:05:46 +0900, dburton97128 <dburton97128@...>
> > For full 360/180 panorama's on a 1.6x crop factor body (Canon 50D), what
> > will work better, a 4.5mm or an 8mm lens?
> > What are the trade offs between these two choices?
> The trade offs are pretty clear. The 4.5mm lens will give you a full
> image and allow you to make a spherical panorama in three shots or more
> safely four. On the other hand it will "waste" quite a large area of
> your image sensor, effectively reducing the pixel count of your final
> The 8mm lens will require at least four shots, more safely six, and at
> one additional shot, maybe two, for zenith and/or nadir. It will use a
> area of your image sensor, giving a higher pixel count for the final
> You have to weigh the convenient of fewer shots to make and less stitching
> to do against the loss of pixels. However, if you are shooting for the
> web, the difference may not be
> There will also be differences between the lenses dependent upon the
> you are considering, but the above considerations will apply whatever the
> Roger W.
> By "safely" I mean with a larger margin for error.
> Business: www.adex-japan.com
> Pleasure: www.usefilm.com/member/roger