Is a FF camera worth it for these reasons? Locked

Started May 21, 2014 | Discussions thread
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Great Bustard Forum Pro • Posts: 41,736
Re: Is a FF camera worth it for these reasons?

qianp2k wrote:

Great Bustard wrote:

qianp2k wrote:

Timbukto wrote:

The one difference you can't see is probably the #1 difference to me for the following reasons.

The extra stop of noise only comes at shallower DOF with FF. Stopped down to be equivalent to APS-C and there is little difference in low-light performance. Low-light performance only *comes* with shallower DOF...it does not have better low-light performance at equivalent DOF.

In theory yes assuming sensors between FF and APS-C have the same design but just different in sizes. In reality you don't have to shoot FF at equivalent DOF of APS-C such as in low-light/evening events. Even F2.8 has sufficient DOF on FF on a stage from distance with 70-200L II for example such as you shoot 6D/5D3 @200mm vs 70D @125mm both at F2.8. 6D/5D3 will win easily at the same ISO such as ISO 1600.

If all the performers lie on, or near, the focal plane, this is true.

Like this?

It is also true if we are only concerned with a single performer. All this presumes that the background is not important as well. Otherwise, DOF could be an issue.

Like this? Blur background helps makes the subject, the singer, popping up that is more attractive than all appear in focus but nothing pops up that looks flat and dull as typical P&S look.

Out of focus plane blur <> softness and many times help the subject looks better.

Yes, but DOF can be an issue for scenarios like this (200mm f/2.8 on FF):

The DOF issue would depend, of course, on whether the photographer wanted everyone in focus or not.

The point being that if the subject is a single person or all the subjects can be framed near the focal plane, and the background is irrelevant, then DOF is not an issue between FF and crop.

While some people, like myself, prefer the more shallow DOF and actively seek framing where it works and pass on photos where it does not work, others may have different aesthetics.

The advantage of FF is that you have the option.  Shoot wide open when you want the more shallow DOF (or, at least, prefer less noise and a more shallow DOF to more noise and a deeper DOF), and stop down when you need the DOF, giving up the noise advantage of FF, but still retaining the resolution advantage.

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