The Top English Grammar Tips From A–Z
1número f masculine
- The f-numbers marked on a lens are only truly accurate when the lens is focused at infinity.
- All these f-numbers, focal lengths, film speeds and apertures are actually really simple to get to grips with once you understand how they relate to each other and to the finished picture.
- The higher f-numbers mean the diameter of the lens can be smaller, so the lens, using only 20% to 25% as much material, will cost less and weigh less.
- So if you want to have that window frame, the couple, and the envelope all in focus, you need a narrow aperture, and so a large f-number, such as f22.
- The configuration offers the advantage of high image quality, low distortion, and low f-number, making it ideal for spectral imaging.
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