D810 vs d7500 autofocus

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amicah22 Senior Member • Posts: 1,320
D810 vs d7500 autofocus

My d7500 stopped working recently and I'm going to replace it with either a d810 or a d500. I know the d500 will be a large improvement in autofocus but I'm not a huge fan of the files from the 20mp sensor.  My question is, am I giving up anything in autofocus going from a d7500 to a d810? I will probably be shooting 1.2 crop most of the time.

I shoot mostly birds and some landscapes and my my main lens is a Sigma 150-600 contemporary.  I did consider the d750 but I have a d610 and it definitely resolves less than a sensor with no AA filter.

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Aaron W.

 amicah22's gear list:amicah22's gear list
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lokatz
lokatz Senior Member • Posts: 2,521
Re: D810 vs d7500 autofocus
3

Hi Aaron,

Nominally, the two bodies share Nikon's 51-point AF system.  The D7500 received some algorithmic improvements over previous versions of the system, partly because its CPU has a bit more oomph, so expect the D810 to be slightly slower, though not by much.  Definitely not the same difference as between the D7500 and the D500.

Just to be sure, you are aware of the main difference between DX and FX, right? Your lens is going to feel a lot shorter on the D810 and you'll likely find yourself cropping bird shots a lot.

Lothar

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Chuck Yadmark
Chuck Yadmark Veteran Member • Posts: 4,685
Re: D810 vs d7500 autofocus
1

I have extensive experience with all of the varying Nikon focus systems with the exception of the D6.

I found the D800 AF was great and not greatly distinguishable in my use from a D4 or D750 or D7500 (or really a 7100 for that matter)

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Ann Arbor, MI USA
www.sportsshooter.com/cyadmark

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OP amicah22 Senior Member • Posts: 1,320
Re: D810 vs d7500 autofocus

lokatz wrote:

Hi Aaron,

Nominally, the two bodies share Nikon's 51-point AF system. The D7500 received some algorithmic improvements over previous versions of the system, partly because its CPU has a bit more oomph, so expect the D810 to be slightly slower, though not by much. Definitely not the same difference as between the D7500 and the D500.

Just to be sure, you are aware of the main difference between DX and FX, right? Your lens is going to feel a lot shorter on the D810 and you'll likely find yourself cropping bird shots a lot.

Lothar

Thank you for your help, I am using a d610 currently and the missing reach is a minor issue I've found.

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Aaron W.

 amicah22's gear list:amicah22's gear list
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OP amicah22 Senior Member • Posts: 1,320
Re: D810 vs d7500 autofocus

Chuck Yadmark wrote:

I have extensive experience with all of the varying Nikon focus systems with the exception of the D6.

I found the D800 AF was great and not greatly distinguishable in my use from a D4 or D750 or D7500 (or really a 7100 for that matter)

Thank you for the input.

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Aaron W.

 amicah22's gear list:amicah22's gear list
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David5833 Senior Member • Posts: 1,903
Re: D810 vs d7500 autofocus

I have both a D7500 and a D810.  There may be a difference in AF performance, but I haven't noticed it.  However, I typically use them for different purposes:  The D7500 with a 200-500 for birds and wildlife, and the D810 for macro and landscapes.

If your main concern is superior AF and FPS for wildlife, I'd recommend the D500.  For landscapes, there is really no reason to be concerned with getting superior AF performance.

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OP amicah22 Senior Member • Posts: 1,320
Re: D810 vs d7500 autofocus

David5833 wrote:

I have both a D7500 and a D810. There may be a difference in AF performance, but I haven't noticed it. However, I typically use them for different purposes: The D7500 with a 200-500 for birds and wildlife, and the D810 for macro and landscapes.

If your main concern is superior AF and FPS for wildlife, I'd recommend the D500. For landscapes, there is really no reason to be concerned with getting superior AF performance.

Thank you for the input.

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Aaron W.

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Fred-Garvin
Fred-Garvin Junior Member • Posts: 32
Re: D810 vs d7500 autofocus

If it's wildlife you're after, the D500 is one of the very best out there for it. You just can't go wrong choosing the D500 for wildlife.

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aVolanche Veteran Member • Posts: 3,916
Re: D810 vs d7500 autofocus
1

I have a D810 and the Sigma 150-600 Contemporary. I live in Florida and shoot mostly wading birds and wading birds in flight.

I had a D810 originally and sold it for a D500. I used the D500 for a short while, sold it and bought a new D810. The difference in focus ability didn't make much difference to me and I much preferred the D810 images. I'm constantly amazed at the files from the D810 + Sigma 150-600!

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ericbowles
ericbowles Senior Member • Posts: 1,600
Re: D810 vs d7500 autofocus
2

amicah22 wrote:

My d7500 stopped working recently and I'm going to replace it with either a d810 or a d500. I know the d500 will be a large improvement in autofocus but I'm not a huge fan of the files from the 20mp sensor. My question is, am I giving up anything in autofocus going from a d7500 to a d810? I will probably be shooting 1.2 crop most of the time.

I shoot mostly birds and some landscapes and my my main lens is a Sigma 150-600 contemporary. I did consider the d750 but I have a d610 and it definitely resolves less than a sensor with no AA filter.

The D500 has a second AF processor and a more advanced AF system similar to the D5 and D850.  It has much better focus performance for action than the D810.

I photograph equestrian foxhunting - riders on horses going over jumps.  For this type work my D800E had a 67% in focus rate, the D810 73%, and the D500 95%.  The D850 also was above 90%.

That's a big difference, and it's mainly in the AF speed.  I also find the Group AF mode in the D500 is nearly flawless while the D810 introduced that mode and it was sluggish in comparison.  Group AF mode uses nearest subject priority, and when unobstructed it almost never picks up the background.  On top of that the frame rate of the D500 is much faster - and you can write images without stopping for 200 frames.  Not that you need that, but you'll fill the buffer on a D810 and it takes time to clear.

The D7500 is a newer camera, but it only has one processor that handles both image processing and focusing.  Compared to the D500, it's much slower.

Look for a used D500 with moderate use - 75,000-100,000 clicks or less.  I have seen them recently for $850-950 US.  That's half the retail price.

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