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iPhone 16 Pro JPEGMax/ 48mp Wide Angle (0.5x) Photos Blurry (Slow Shutter Speed)

I've been having an issue with blurry photos on my iPhone 16 Pro, so I took it into the Apple Store and with an employee we ran side by side tests with the phones they have on display to learn it's not just my phone.


In all lighting scenarios, the shutter speeds (exposure times) are slow when using JPEGMax/ 48mp files, but when checked off to 12mp files, the shutter speed increases drastically. When JPEGMax is on, the shutters speeds are like 1/30 or 1/40, which is incredibly slow. When it's off they jump up to at least 1/60 to 1/100, which is still slow but better.


Now compare that to JPEGMax on the iPhone 15 Pro and files in the lowest light to the most light averaged above 1/400 making the photos much sharper.


This leads me to believe it's an IOS problem because this issue never existed with iPhone 15.


See the four photos below to understand the settings.


Photo 1: iPhone 15 Pro (JPEGMax On)


Photo 2: iPhone 16 Pro (JPEGMax On)


Photo 3: iPhone 16 Pro (in-Store Test JPEGMax Off)


Photo 4: iPhone 16 Pro (in-Store Test JPEGMax On)



I hope Apple sees this because 48mp files should be the best, not the worst quality.


Posted on Nov 14, 2024 2:31 PM

Reply
20 replies

Nov 14, 2024 4:12 PM in response to Jeff Donald

I also use a high-end mirrorless camera, as I'm a professional by trade. So I think I can clearly speak to the slow shutter speed causing the issue.


I also did post examples. That was my initial post. Look at where it says exposure time. I don't see the purpose of showing the actual images because that doesn't show what phone it came from or any of the settings.


Also, you are correct in saying that iPhone 15 didn't have any 48mp settings, but they did have a setting that said JPEGMax. I guess without having my old phone with me I can't speak to what that actually meant in terms of the file or its size, so then that really narrows down the issue to iPhone 16 48mp specifically.


There's some kind of glitch causing the shutter to drop by more than half of what it should when JPEGMax is selected vs. when it's not.

Nov 15, 2024 9:26 AM in response to noahlangphotography

Here’s a low light image at a friend’s restaurant I took a few days ago before we started this discussion.



Please notice the settings — ISO 800, f1.78, 1/23 shutter speed. This is the normal lens at full 48MP.


Here’s a closeup of a beer in the cooler, obviously well lighted.



This has been converted to jpeg so it uploads, but I’m handholding at 1/23 of a second (24mm lens) and in good light, a respectable closeup.


Here’s a friend of mine (permission to post image) across the bar. Same settings, so 1/23 ss handheld.



I need to see some images and settings or we’re just going in circles with no resolution to your challenges.

Nov 15, 2024 10:42 AM in response to Jeff Donald

Now here's two back to back images taken in great light on an iPhone 16 Pro, with very similar settings for both. Clearly the second image is blurry, and this should prove it doesn't really matter what the light is like. Could be midday or at a bar, it's not good.






Now compare that to iPhone 15 pro in low light, and the settings are drastically different. My iPhone 15 was using the same settings at low light as my 16 is using midday. Thereʻs clearly an issue here.



Nov 14, 2024 2:39 PM in response to Kurtosis12

It's not low light conditions causing the issue. That's why I said we were taking photos in the store to prove the issue happens in perfect lighting scenarios.


In fact, I have example after example from iPhone 15 Pro in low light with very fast shutter speeds. This is an iPhone 16 issue and nothing to do with the conditions.

Nov 14, 2024 3:18 PM in response to Kurtosis12

Then why doesn't this issue happen on iPhone 15? It has nothing to do with low light conditions.


Like I said, I have hundreds of iPhone 15 files from low light conditions with shutter speeds north of 1/400 using the 48mp option.


However, under all the same scenarios, the shutter drops dramatically on iPhone 16 when using 48mp, regardless of the lighting conditions. That's why I said this was tested in the store. The lighting was perfect and it still gave a 1/40 shutter.


I started this forum to see if anyone else was experiencing the same thing and found a fix.

Nov 14, 2024 5:58 PM in response to noahlangphotography

The shutter speed >may< drop because by combining pixels (4 small to one large you’re capturing more photons and ISO may be lowered to reduce noise. This may result in a slightly lower shutter speed.


However I noticed you’re using the slower telephoto lens, which at f/2.2 is pretty slow.


If you want better indoor photos use the normal (24mm) or Ultra Wide (13mm) both offer 48 MP to take advantage of the pixel binning I described earlier. They also have faster apertures and will be easier to hand hold at slower shutter speeds.


Oh, and for the record I know a little something about this also. I used to shoot for AP, International Herald Tribune and taught photography at MSU.

Nov 14, 2024 6:02 PM in response to Jeff Donald

Jeff Donald wrote:

The shutter speed >may< drop because by combining pixels (4 small to one large you’re capturing more photons and ISO may be lowered to reduce noise. This may result in a slightly lower shutter speed.

However I noticed you’re using the slower telephoto lens, which at f/2.2 is pretty slow.

If you want better indoor photos use the normal (24mm) or Ultra Wide (13mm) both offer 48 MP to take advantage of the pixel binning I described earlier. They also have faster apertures and will be easier to hand hold at slower shutter speeds.

Oh, and for the record I know a little something about this also. I used to shoot for AP, International Herald Tribune and taught photography at MSU.

Very impressive Jeff and it's great to know you're REALLY knowledgeable on photography. Impressed, Indeed!

Nov 15, 2024 9:40 AM in response to Jeff Donald

Jeff Donald wrote:

Thank you. 🙏 I normally like to stay in the background, I felt it might add a bit of credibility.

There are a few of us who "try" to help out in photo threads, but even though I'm somewhat knowledgeable, you have more knowledge in your pinky than I do altogether. I dub thee the "New Camera Czar!" And I'm delighted to do so!

iPhone 16 Pro JPEGMax/ 48mp Wide Angle (0.5x) Photos Blurry (Slow Shutter Speed)

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