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Results tagged with lens
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user 13805
A photographic lens is used to focus the light onto film or a digital sensor. Many cameras have interchangeable lens systems, allowing the photographer to choose the type of lens to use.
3
votes
What is zoom multiplication based on?
Simply put, it is the ratio of maximum focal length to minimum focal length.
In your example, your optical zoom would be specified as 10x, if your camera has the minimum focal length (when you zoom …
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2
votes
How does the Canon EF-S 15-85 IS USM compare to the EF 24-105mm L as an all-around lens?
Looking at the fact that the 24-105 is a fixed aperture lens where as 15-85 is a variable aperture lens - since you say you would shoot mostly portraits, let's assume at 50mm on a crop body, according … As an all-around lens, I would go with the 15-85 if I don't have a lens that already doesn't cover the wider range. …
- 647