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5 posts tagged with focus and lens. (View popular tags)
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Smallest VR / IS prime lens for Nikon?

What is the smallest Nikon (or compatible) image-stabilization lens? My search results seem to indicate it is this: Nikon 18mm - 55mm f/3.5-5.6G AF-S DX (VR) Vibration Reduction Wide Angle Autofocus Zoom Lens, which is a VR version of the kit lens on a D40. [more inside]
posted by mwhybark on Oct 17, 2010 - 12 answers

Find it: Website with a unique explanation of lens focal lengths.

Find-that-website filter: Website with a unique explanation of lens focal length with respect to photography and zoom lenses. [more inside]
posted by odinsdream on Dec 24, 2008 - 7 answers

Weird optics

Let's say I find a shiny spherical object and under point lighting, I move it very close to my eye. I then focus on the bright spot, but focus at a distance of 1-2 feet until the patterns are in focus. At this point, it looks like a bad microscope. Am I looking at part of my own eye? Is this a documented phenomenon I could read about?
posted by aye on Oct 21, 2006 - 19 answers

Peering into the depths of AskMe

Attention optics geeks: Will a flat water/air port affect a lens' minimum focus distance? [more inside]
posted by Popular Ethics on Apr 20, 2006 - 6 answers

Depth of Field and Focus. How do they work?

Selective Depth-of-Field in Six Feet Under, and a question about lens flares. [more inside]
posted by odinsdream on Oct 4, 2005 - 12 answers

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