difference in lenses

12 years 7 months ago #155021 by G edge
So I know a 35mm f1.8 lets in more light then a 35mm f3.5 but how much difference does it make. . wondering how much darker I can go while still getting a great shot for when its getting dark out and I maybe don't have my flash on me or can't use flash.


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12 years 7 months ago #155025 by Ali Stair
A 35mm f/1.8 is 2 stops faster than a 35mm f/3.5. That means if you have a scene that has a normal 0 exposure value with the f/1.8 at a shutter speed of 1/60, the same scene would be at 1/15 shutter speed with the other f/3.5 lens.

The other difference between the lenses is construction and optical quality. Generally faster lenses like f/1.4 or f/1.8 lenses are going to have much better constuction and much better optical quality and are going to be much more (or at least noticeably) more expensive.


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12 years 7 months ago - 12 years 7 months ago #155111 by Screamin Scott
I'll agree with build quality (with current lenses anyway) & the price difference as well. However, optical quality isn't always "much better". When you shoot at the middling apertures, most people wouldn't be able to tell the differences unless they were pixel peeping (depending on the lenses in the comparison of course)

Scott Ditzel Photography

www.flickr.com/photos/screaminscott/

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