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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 23 Jan 2010 (Saturday) 09:24
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35mm lens on full frame equal to what on a crop?

 
AllisonFaith
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Jan 23, 2010 09:24 |  #1

What lens on a crop sensor (like 50D) would be equal to a 35mm lens on a full frame?


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mrfixitx
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Jan 23, 2010 09:28 |  #2

It's easy to figure out, take focal length multiplied by 1.6. So a 20mm x 1.6 = 32. For a prime lens a 20mm will be about as close as you can get to a 35mm field of view.

For zooms you would want to be at 22mm. 22mm x 1.6 = 35.2


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nureality
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Jan 23, 2010 09:29 |  #3

about a 22mm lens.

So either a 21mm (ahem Zeiss!!!) and that will be about 33.6mm (equivalent).
or 24mm and that will be 38mm (equivalent).

What oldies you got?


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AllisonFaith
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Jan 23, 2010 09:35 |  #4

thank you guys. I just get confused with the topic and coudn't figure it out on my own.


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AllisonFaith
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Jan 23, 2010 09:36 |  #5

nureality wrote in post #9453755 (external link)
about a 22mm lens.

So either a 21mm (ahem Zeiss!!!) and that will be about 33.6mm (equivalent).
or 24mm and that will be 38mm (equivalent).

What oldies you got?

It's some big zoom lens that I only use during summer at the beach. It collects dust off-season...may make an appearance for T-Ball season :)


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John ­ the ­ Geek
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Jan 23, 2010 19:52 as a reply to  @ AllisonFaith's post |  #6

My wife recently picked up the Canon 20mm f/2.8 new for about $400. She loves it for tight rooms.

EDIT: Oops, I meant 2.8...


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35mm lens on full frame equal to what on a crop?
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