Is a FF camera worth it for these reasons? Locked

Started May 21, 2014 | Discussions thread
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Mako2011
MOD Mako2011 Forum Pro • Posts: 25,474
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qianp2k wrote:

Mako2011 wrote:

qianp2k wrote:

Dave Luttmann wrote:

vin 13 wrote:

... are what they were designed to be, for example on FF a 70-200 is a 70-200, an 85 f1.2 is an 85 f1.2 etc. etc. I know there are EFS lenses, but in comparison not that many.

You have more lens options with the aps-c

1) But those EF lenses are not designed and optimized for APS-C. They all work much better on FF than on APS-C.

Not necessarily. In some cases, they can actually be better across the frame (on APS-C) than than the non-EF counterpart. In many cases they are actully designed to be optimized on both formats.

Otherwise quote me a sample that an EF lens performs better on Canon APS-C than on Canon FF?

Never said it did. I said the EF lens ".. can actually be better across the frame (on APS-C) than than the non-EF counterpart" (mounted on APS-C only)  That's counter to your suggestion of the opposite.

2) They work in different AOV. 50mm FL on FF becomes 80mm FF eq on the same AOV.

3) Lenses must natively designed and optimized on a specific crop format

No, they do not.

Yes they must. All best performed lenses on APS-C are natively designed on the format such as Sigma 18-35 as example of zoom and EF-M 22/2.0 as an example of prime.

Again, the sweeping generality is simply not true. There are many examples where a EF lens outperforms a similar non-EF lens. (both mounted on the same APS-C body and compared). You made an honest mistake in misunderstanding the text

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