Tagged Questions
2
votes
2answers
181 views
Is lens focal length specified considering the effect of barrel distortion on field of view?
Given a NIKON 14mm f/2.8D ED AF Ultra Wide-Angle Nikkor Lens on a full-frame sensor, in theory the field of view is HFOV: 104° x VFOV: 81°. However this lens exhibits noticeable barrel distortion ...
3
votes
2answers
1k views
Are there any free or better alternatives to Fisheye-Hemi?
I've been tempted to get a fisheye lens (The Nikon 10.5 DX specifically), and have seen the Fisheye-Hemi plugin for "normalizing" fisheye images.
Does anyone have experience of using the plugin or ...
10
votes
4answers
939 views
How wide can a lens be before it begins to produce distortion?
Some lenses will produce distortion near a photo's edges (lines that should be straight begin to curve). Fisheye lenses definitely do this, and some ultra-wide lenses will do this too. I like wide ...