From Canon 6D to mirrorless

Started 3 months ago | Discussions thread
ChelseaPhotographer
ChelseaPhotographer Contributing Member • Posts: 708
Re: From Canon 6D to mirrorless
4

Cato1040 wrote:

N_M wrote:

Hello,

Wow, did not expect this to happen

This FF/APSC things are interesting up to certain level. But here, this is going too far and not helping me at all.

For deep comparisons and demonstrations, may I ask you please to do it somewhere else or via private message ?

Meanwhile, I tested a friend X-T3 today and this small grip is just a no go. Not for me. It was like I could let the thing falling down anytime.

So, I guess I should try the X-S10 and the A7.

Thanks.

Yea, equivalence is a tricky thing and there's a lot of misinformation out there that people end up believing that leads to off-topic debates like this.

I do agree that Fujifilm's X-T... series have some of the worse grips.

Both the X-S10 and A7 series will be good options. I'd still lean Sony for the IQ and lens selection but your preferences may differ, though coming from a full-frame camera, it may be nice to stay with that format.

To clarify with equivalence since there was some misinformation on both sides:

Full Frame: ISO: 100, SS: 1/100, Aperture: 4, Focal-length: 24mm

APS-C: ISO: 100, SS: 1/100, Aperture: 2.8, Focal-length: 16mm

Correct!

With everything else being the same, the exposure will be the same, but that's because ISO is a made-up thing that makes it so that the exposure will be the same. Technically, the FF sensor will still have better IQ when it comes to light because it's still letting in more light. Whether that's significant will be up to the user.

The only reason why this is important is because if you are comparing across sensor sizes, then the "exposure triangle" is no longer true and instead becomes an "exposure trapezoid" with one of the sides being the sensor size. People don't realize this and think all cameras get the same amount of light, but that is not true.

Not sure it this will help the people who argued otherwise, but, when you switch a full-frame camera to APS-C mode, that central part of the image is receiving the same amount of light that an APS-C sensor would (if you are using the same lens), but if instead you use the full full-frame sensor to capture the same image as the APS-C camera, then the full-frame sensor is getting 133% more light than the APS-C camera.

If the OP is going to do night photography (or any type of low light photography), as they said they would, this becomes a very significant consideration.

The OP mentioned at some point that they were surprised how much more detail they could get from their GRII compared to their 6D. However, that is not because both sensors are capturing the same amount of light. That is simply because of how bad the technology and the dynamic range of the 6D is. If you compare the sensor of the GRII with a Nikon or a Sony full-frame, you will see that those sensors have even more detail in the shadows than the GRII, and in this case it is not because one sensor is technically better than the other; it is because the larger sensor is getting more light.

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