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Thread started 11 Nov 2009 (Wednesday) 14:10
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POLL: "Should theree be references to "crop factor"?"
yes, it does help.
4
25%
no, use APS-C and APS-H instead.
1
6.3%
just leave things the way they are.
11
68.8%

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Is it time?

 
jr_senator
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Nov 11, 2009 14:10 |  #1

Or past time, or too soon? The crop factor seems to have confused people more often than it helps. Instead of 1.6 crop and 1.3 crop should we be using APS-C and APS-H? There are instances where it appears many have been mislead and then, in turn, mislead others. My nephew bought a digital Rebel from a local camera shop. He got the kit lens and a tele zoom. The sales person told him that although the zoom said 200mm it was really 320mm on his camera. Huh? He knows I'm a long time shutter bug and proudly showed me his new camera and explained to me that his zoom really zoomed to 320mm but he didn't know what it would be on my camera. I explained how FL is derived and that his 200mm was always 200mm. It seems some really think the lens grows (I guess). I had a Pentax 110 SLR and never heard or read reference to the fact my 50mm lens was really 100mm. The crop factor's time has come, or has it? I ask you.



  
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bohdank
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Nov 11, 2009 14:31 |  #2

Whether you call it crop or APS-C, the same level of cunfusion will surface from people that do not know what those mean. So, keep it crop/FF.

For those that never shot 35mm film, explaning lenses in terms of field of view (FOV) is the only reasonable way to describe differences in the 2 formats. There is more to it than that but to someone that has never shot 35mm, expressing a lens as "it will actually be like a xx mm on your XXD" is meaningless.


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Persephone
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Nov 11, 2009 16:15 |  #3

bohdank wrote in post #8997540 (external link)
For those that never shot 35mm film, explaning lenses in terms of field of view (FOV) is the only reasonable way to describe differences in the 2 formats. There is more to it than that but to someone that has never shot 35mm, expressing a lens as "it will actually be like a xx mm on your XXD" is meaningless.

I never shot film much (only for a high school photo class), but all point and shoot cameras generally list their focal length ranges in 35mm terms, so it is still useful for "digital-only photographers" like me to know what FOV is and how the 18-55mm works compared to a prior point-and-shoot camera range.


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bohdank
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Nov 11, 2009 16:19 |  #4

None of my previous P&S's (4 of them) listed their lenses in 35mm terms. I had to convert to get an idea what equivalent lens would give me the same FOV on a FF (used to shoot film).


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Tom ­ W
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Nov 11, 2009 16:22 |  #5

It's almost time...


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Persephone
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Nov 11, 2009 16:27 |  #6

bohdank wrote in post #8998155 (external link)
None of my previous P&S's (4 of them) listed their lenses in 35mm terms. I had to convert to get an idea what equivalent lens would give me the same FOV on a FF (used to shoot film).

Yeah the camera models themselves won't list it (my SX110 says 6-60mm), but it's listed in a lot of places online. On the USA Canon website, under "Speciications" for the camera models (checked S90 and SX110), it lists the range and the 35mm equivalent. The SX110 press release (external link) at DP Review says "With a 10x Canon optical zoom – featuring a 35mm film equivalent focal length of 36-360mm"


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