[CATEGORIES: Photography, Travel Photography.]
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We had a good snowfall, Sunday the 22nd I think it was. Areas above treeline (about 11,000′) remain covered.
F-stop is the focal length of the camera lens divided by the size of the lens opening (aperture) (that size governing the amount of light that enters the camera). If you have a 50mm lens and the opening is 10mm then the f-stop is f/5. (Conversely, an f/5 on a 50mm lens means the opening is 10mm, etc.) http://digital-photography-school.com/megapost-learning-how-to-use-your-first-dslr has a very good explanation of aperture and other camera basics on a single web page.
Smaller aperture (larger f/stop number, such as f/11) gives you greater depth of field (general sharpness from foreground to background). Good for landscape. I haven’t figured the physics of how that works. Smaller f/stop (smaller number, like f/2.8, larger aperture, more light) gives narrower DOF, good for focusing on specific subjects and have the fore- and background blurry. (Smooth, soft blurriness is called bokeh, pronounced ‘bow-quet’ I believe. I definitely haven’t figured that.) My experiments with DOF have been mostly unsuccessful but I think I’m getting some pretty pictures. [UPDATE: I had smaller/larger references mixed a bit. I’ve corrected those, correctly I hope!]
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(Usual caveats apply on ANY photo information related here. I’m a rookie at this. Verify for yourself.)