Just a simple question
Mar 5, 2019 08:10:00 #
Longshadow wrote:
No, but they can surmise telephoto or wide angle by how the image looks for any compression/expansion. For example, railroad tracks. Just can't define what mm focal length.
Mar 5, 2019 08:11:41 #
canondigiphoto wrote:
One simple question:
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
Anyone who says they can tell if it is FF or other is not being honest with you or themselves.
Mar 5, 2019 08:11:42 #
No. There are far less photographers in the world than non photographers. The average person would not know the difference between full frame and cropped sensor or focal length. They see the photo for how good/bad it looks and how it makes them feel. As photographers we provide the very best product to the consumer that we are capable of and sometimes we are our own worst critics.
Mar 5, 2019 08:21:58 #
jerryc41 wrote:
No. Looking at the EXIF data, I have 56 items listed, but nothing about sensor size. I checked both DX and FX images. Unless they use a different term for sensor size, there's nothing listed.
There is - it's a tag titled Scale Factor To 35mm Equivalent - you can use that number to calculate the sensor size or just look it up on a table. It's explained here:
https://shuttermuse.com/calculate-cameras-crop-factor/
Mar 5, 2019 08:26:03 #
Gene51 wrote:
There is - it's a tag titled Scale Factor To 35mm Equivalent - you can use that number to calculate the sensor size or just look it up on a table. It's explained here:
https://shuttermuse.com/calculate-cameras-crop-factor/
https://shuttermuse.com/calculate-cameras-crop-factor/
Doesn't track with the original question - ...look at Photo or Image and without knowing metadata...
Mar 5, 2019 08:26:43 #
dsmeltz wrote:
Anyone who says they can tell if it is FF or other is not being honest with you or themselves.
Mar 5, 2019 08:34:37 #
No.
There are certain types of picture that are almost impossible to take with a cell phone, but I would not go so far as to say "impossible".
For example, there is a picture (on this website somewhere) that someone took of a moving ice hockey player that shows great color and sharpness, and also separates the player from his surroundings by blurring out the background.
I am willing to bet that picture was not taken on a cell phone.
But as technology improves, it will get more likely each year that someone will figure out a way to do that with a cell-phone-size sensor.
There are certain types of picture that are almost impossible to take with a cell phone, but I would not go so far as to say "impossible".
For example, there is a picture (on this website somewhere) that someone took of a moving ice hockey player that shows great color and sharpness, and also separates the player from his surroundings by blurring out the background.
I am willing to bet that picture was not taken on a cell phone.
But as technology improves, it will get more likely each year that someone will figure out a way to do that with a cell-phone-size sensor.
Mar 5, 2019 08:53:13 #
Mar 5, 2019 09:08:45 #
fantom wrote:
It depends on the picture. In some cases it is a highly probable assumption. In other cases it is a slam dunk and other times its a best guess. So, no, not in EVERY case can EVERYONE determine the providence of the picture. I wouldn't even speculate what the standard deviation would be.
Can you look at picture (copy) of an old picture and determine whether it is an ambrotype, ferrotype or daguerreotype, without handling the original?
Can you look at picture (copy) of an old picture and determine whether it is an ambrotype, ferrotype or daguerreotype, without handling the original?
Mar 5, 2019 09:19:54 #
canondigiphoto wrote:
One simple question:
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
Probably not - but the photographer can.
Mar 5, 2019 09:23:48 #
jerryc41 wrote:
No. Looking at the EXIF data, I have 56 items listed, but nothing about sensor size. I checked both DX and FX images. Unless they use a different term for sensor size, there's nothing listed.
What about data that helps figure it out, like actual focal length and “focal length in 35mm film”? Some cameras list that, from which you can derive the crop factor. That converts to a sensor class, if not the exact size sensor.
Mar 5, 2019 09:26:09 #
canondigiphoto wrote:
One simple question:
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
Can anybody look at Photo or Image and without knowing metadata to tell if it was shot with full frame, APS-C, or any other sensor, and focal length of the lens (wide, normal, macro or zoom...) been used?
Thanks for your response.
No.
You might be able to give a general range of technology used, but it would be broad.
Mar 5, 2019 09:29:52 #
burkphoto wrote:
What about data that helps figure it out, like actual focal length and “focal length in 35mm film”? Some cameras list that, from which you can derive the crop factor. That converts to a sensor class, if not the exact size sensor.
Doesn't track with the original question - ...look at Photo or Image and without knowing metadata...
Mar 5, 2019 09:34:02 #
Longshadow wrote:
Doesn't track with the original question - ...look at Photo or Image and without knowing metadata...
Look at the post to which I was referring... THIS answer was directed to JerryC41...
Mar 5, 2019 09:37:22 #
burkphoto wrote:
Look at the post to which I was referring... THIS answer was directed to JerryC41...
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