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Dec 1, 2020 13:10:57   #
Fstop12 Loc: Kentucky
 
kenArchi wrote:
Can I use my phone for professional architectural photography?
Can I use to set off my various slave flashes?
Does it have manual exposure settings ?
Raw?
Will be good as FF sensor at 36mpxl?
Will I get 36mpxl?


IPhone camera's are improving at warp speed. Will they ever replace the Professional DSLR's. I guess the verdict is still out.

Question #2: Answer: https://fstoppers.com/apps/will-camera-flash-make-iphone-professional-camera-514314

Question 3 & 4 Answer: While I haven't used this app yet I probably will once I upgrade my phone to the new IPhone 12 Pro Max. https://halide.cam/ and https://apps.apple.com/us/app/halide/id885697368

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Dec 1, 2020 13:14:49   #
Fstop12 Loc: Kentucky
 
BebuLamar wrote:
Can you show us how to do #2. That's the one thing I need to do.


https://fstoppers.com/apps/will-camera-flash-make-iphone-professional-camera-514314

This article talks about it. Like always, there's an app for that. :-)

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Dec 1, 2020 13:27:02   #
selmslie Loc: Fernandina Beach, FL, USA
 
BebuLamar wrote:
Can you show us how to do #2. That's the one thing I need to do.

If your slave flashes can respond to the flash on the smartphone it should be possible. Otherwise you will need to get advice from someone who has done it. I haven’t and wouldn’t bother.

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Dec 1, 2020 14:29:41   #
DirtFarmer Loc: Escaped from the NYC area, back to MA
 
selmslie wrote:
If your slave flashes can respond to the flash on the smartphone it should be possible. Otherwise you will need to get advice from someone who has done it. I haven’t and wouldn’t bother.


When taking photos with my iPhone in darkness, the phone turns on the light for a couple seconds, then turns it off and takes a photo with flash. Probably so it can focus on something. But that would make syncing with an external flash tricky. If there's enough light to focus then the light doesn't turn on and you just get the flash.

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Dec 1, 2020 14:57:33   #
selmslie Loc: Fernandina Beach, FL, USA
 
DirtFarmer wrote:
When taking photos with my iPhone in darkness, the phone turns on the light for a couple seconds, then turns it off and takes a photo with flash. Probably so it can focus on something. But that would make syncing with an external flash tricky. If there's enough light to focus then the light doesn't turn on and you just get the flash.

Click the flash symbol and then “On” and it will flash regardless.

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Dec 1, 2020 15:46:17   #
DirtFarmer Loc: Escaped from the NYC area, back to MA
 
selmslie wrote:
Click the flash symbol and then “On” and it will flash regardless.


I guess I wasn't clear. That's true that the flash symbol controls whether the flash flashes. But if the phone can't see the image it can't focus so it turns the light on for a second or two to get focused, then it takes the photo with the flash. The phone turns the light on and off twice (focus, then flash). The problem with syncing with an external flash is the first time the light turns on the external flash would see that as a sync signal unless there's a way on the external flash to tell it to fire on the second time the light turns on.

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Dec 1, 2020 16:24:37   #
selmslie Loc: Fernandina Beach, FL, USA
 
DirtFarmer wrote:
I guess I wasn't clear. That's true that the flash symbol controls whether the flash flashes. But if the phone can't see the image it can't focus so it turns the light on for a second or two to get focused, then it takes the photo with the flash. The phone turns the light on and off twice (focus, then flash). The problem with syncing with an external flash is the first time the light turns on the external flash would see that as a sync signal unless there's a way on the external flash to tell it to fire on the second time the light turns on.
I guess I wasn't clear. That's true that the flash... (show quote)

It depends on whether your slave recognizes the difference between a light turning on long enough to focus and a flash burst which is much faster and more intense. Your slave might know the difference. You have to try it to find out.

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Dec 1, 2020 17:13:53   #
Pmortx
 

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Dec 1, 2020 19:53:04   #
kenArchi Loc: Seal Beach, CA
 
Seriously you have to add apps?
Does the iPhone 12 pro have manual focus?
Does it have manual flash?
Can you attach a flash trigger?
Can I set manual iso?
Is it just a P&S?
It says it has a 52mm telephoto lens....telephoto?

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Dec 1, 2020 20:02:04   #
DirtFarmer Loc: Escaped from the NYC area, back to MA
 
There are apps that can control the camera on your phone and even generate raw files. (I don't know how raw they are or even if you can import them into Lightroom). I believe you can set the ISO manually with one of the apps (I have Halide on my iPhone but haven't played around with it much).

52 mm can be a telephoto lens if the sensor is small enough. "Telephoto" has more to do with the field of view than the focal length. On a view camera a "normal" lens might be 200mm or more depending on the film size.

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Dec 1, 2020 20:15:15   #
CliffMcKenzie Loc: Lake Athens Texas
 
Bill De,

You just about can get the camera without the phone. My 12 Pro Max iPhone with its superior processor over my 6+ is 5G capability. I declined the 5G additional per month charge from Verizon as it will be 3 years before it comes to Lake Athens (TX). Additionally, the next Apple software release will allow you to shoot in raw. While the 12 is not my D850...it does an excellent job.

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Dec 1, 2020 20:33:33   #
baron_silverton Loc: Los Angeles, CA
 
Uuglypher wrote:
I suspect you are comparing 12Mp Jpegs against 24Mp Jpegs?

A useful source of information concerning printing and viewing enlargements can be found here:

http://www.photokaboom.com/photography/learn/printing/resolution/1_which_resolution_print_size_viewing_distance.htm


Thanks for the interesting link - yes viewing distance is the most important factor. That said I am speaking about the same size blow ups at the same viewing distance - if the viewing distance is approximately the distance to viewing something on the wall in a normal sized room.

In this circumstance, as you blow up the shot you can see differences in the quality as you blow it up with respect top the size of the original file (i.e. MP). 12MP starts to show evidence of break up as you get to about the 16X20 (some argue 11X14 - and even as low as 8X10 - but in these cases you need to be looking side by side with the higher MP shot to see the difference) inch blow up size - that is as compared to a 24MP file at the same size blow up and this trend continues up the line.

I have seen this with my own eyes and it is verified by many others - there are even videos on youtube showing this.

But, it is ultimately a matter of personal taste. If you are totally happy with your smart phone camera and like the blow ups that you make from its files, then by all means keep using it and don't let me or anyone else tell you that you shouldn't - they are your photos.

For the blow ups that I have done and that friends have done - the phone files just don't cut it.

Again, compressed on the Internet or on Instagram, or even on the phone itself (a very small viewing space) they look great - they will display more noise than from larger sensors of similar MP due to physics - this is not debatable - it is physics. The pixel density is much tighter on such small sensors and this creates more heat and as a consequence noise.

Again, photography is a use case kind of thing. If phone cameras work for your use case then you should use them. However, they are still very much inferior to FF cameras for professional applications - this is just a fact.

Have a great day!

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Dec 2, 2020 07:17:57   #
BebuLamar
 
Fstop12 wrote:
https://fstoppers.com/apps/will-camera-flash-make-iphone-professional-camera-514314

This article talks about it. Like always, there's an app for that. :-)


Thank you! It seems to be quite an expensive solution. I will look into that.

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Dec 2, 2020 07:20:33   #
BebuLamar
 
selmslie wrote:
If your slave flashes can respond to the flash on the smartphone it should be possible. Otherwise you will need to get advice from someone who has done it. I haven’t and wouldn’t bother.


I have a need for it. My wife only wants to take picture with her smartphone but she needs flashes on certain situation. And she doesn't like the "no can do" answer from me.

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Dec 2, 2020 10:30:19   #
Fstop12 Loc: Kentucky
 
BebuLamar wrote:
Thank you! It seems to be quite an expensive solution. I will look into that.


Happy Wife, Happy Life. LOL

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