Re: A7rIV & 200-600 looks like issues may have been resolved
armd wrote: AGeoJO wrote: armd wrote:
I’m stilll waiting to see a few images with the af points over the subject thereby demonstrating an improvement. My a9 and R5 exhibit that most of the time.
LBJ2 wrote:
Did you develop this app that you have recommended or do you know the person that did develop this app? Just curious to know how accurate the app is in indicating the focal point in an image. Have you had the opportunity to compare with C1 focus area identifier ?
armd wrote:
Wolfram Sons was the developer (I have no association) and from what I can tell, it is fairly accurate. The only way I can compare it is to the results that one achieves in body. Supposedly, if one clicks "magnify" on the body it enlarges the image to the active af point which was registered. I did that alongside the program - opened the same image in both - and they seemed to correspond. Perhaps you can email him with your questions?
In terms of C1, I'm not familiar with the focus area identifier. Is that a tool which highlights the parts of the image which are in greatest focus? If so, those are usually contrast based.
No offense, but why does it matter to you? You sold the A7r IV already and you bought a Canon R5, right? Whether the A7r IV has been fixed or not, should have not any consequences to you.
I would like to see if Sony fixed the problem. Like many photographers, I am seeking the best possible platform. There were many things I liked about the a7riv, the af/tracking not one of them and the inability for it to play well with the 200-600. While the a9 rocks, I’m looking for a camera with more MP for cropping (this is where the a7riv excels). The R5 is an interesting camera, though the number of RF lenses are limited, they don’t hav anything like the sharp 200-600, and quite frankly the IQ is leaving me questioning whether the R5 is less than forthcoming or is being throttled in software. If Sony fixes the issues with the a7riv I would certainly reconsider the body.
I finally got around to downloading the focus point program and had a scan through my really good A7RIV day from Aug 23rd. Let me know what you want me to tell you. I found that on BIF both A7RIV and A9II focus points were off the bird in the sky somewhere near the bird in most of the shots. I'm only looking through my keepers as all my rejects are long gone but rejects weren't just for focus but for head/wing positions etc.
Now with my herons, shorebirds, oystercatchers foraging/feeding along the shoreline I'm seeing most of the A7RIV images with the circle and squares on the head and sometimes when the bird is perfectly side profile on the side of the body. I had a few shots saved of a GBH where I used Tracking (which only shows the circle (no squares)) and it was right on the head. My foraging shorebirds (small Western and Least sandpipers) shot mostly in Zone showed the squares and circle on the head most of the time.
Maybe I should just send you a Drive folder with a selection of the shots or something because not sure how my describing what I'm seeing is helping you compare to past results??
Re: A7rIV & 200-600 looks like issues may have been resolved
armd wrote: AGeoJO wrote: armd wrote:
I’m stilll waiting to see a few images with the af points over the subject thereby demonstrating an improvement. My a9 and R5 exhibit that most of the time.
LBJ2 wrote:
Did you develop this app that you have recommended or do you know the person that did develop this app? Just curious to know how accurate the app is in indicating the focal point in an image. Have you had the opportunity to compare with C1 focus area identifier ?
armd wrote:
Wolfram Sons was the developer (I have no association) and from what I can tell, it is fairly accurate. The only way I can compare it is to the results that one achieves in body. Supposedly, if one clicks "magnify" on the body it enlarges the image to the active af point which was registered. I did that alongside the program - opened the same image in both - and they seemed to correspond. Perhaps you can email him with your questions?
In terms of C1, I'm not familiar with the focus area identifier. Is that a tool which highlights the parts of the image which are in greatest focus? If so, those are usually contrast based.
No offense, but why does it matter to you? You sold the A7r IV already and you bought a Canon R5, right? Whether the A7r IV has been fixed or not, should have not any consequences to you.
I would like to see if Sony fixed the problem. Like many photographers, I am seeking the best possible platform. There were many things I liked about the a7riv, the af/tracking not one of them and the inability for it to play well with the 200-600. While the a9 rocks, I’m looking for a camera with more MP for cropping (this is where the a7riv excels). The R5 is an interesting camera, though the number of RF lenses are limited, they don’t hav anything like the sharp 200-600, and quite frankly the IQ is leaving me questioning whether the R5 is less than forthcoming or is being throttled in software. If Sony fixes the issues with the a7riv I would certainly reconsider the body.
I finally got around to downloading the focus point program and had a scan through my really good A7RIV day from Aug 23rd. Let me know what you want me to tell you. I found that on BIF both A7RIV and A9II focus points were off the bird in the sky somewhere near the bird in most of the shots. I'm only looking through my keepers as all my rejects are long gone but rejects weren't just for focus but for head/wing positions etc.
Now with my herons, shorebirds, oystercatchers foraging/feeding along the shoreline I'm seeing most of the A7RIV images with the circle and squares on the head and sometimes when the bird is perfectly side profile on the side of the body. I had a few shots saved of a GBH where I used Tracking (which only shows the circle (no squares)) and it was right on the head. My foraging shorebirds (small Western and Least sandpipers) shot mostly in Zone showed the squares and circle on the head most of the time.
Maybe I should just send you a Drive folder with a selection of the shots or something because not sure how my describing what I'm seeing is helping you compare to past results??
Here are the GBH shots I had saved for now:
Sep 01, 2020 at 08:51 AM
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