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Close Up Photography
From the yard today
Jun 1, 2020 20:49:25   #
Uuglypher Loc: South Dakota (East River)
 
Yeah, yeah, I know these are a cliché, but I still think they are so damn cool!
dave


(Download)

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Jun 1, 2020 20:54:18   #
smussler Loc: Land O Lakes, FL - Formerly Miller Place, NY
 
Nice shot. And with an iPhone !

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Jun 1, 2020 22:19:44   #
Uuglypher Loc: South Dakota (East River)
 
Hi, smussler,
Thank you!
...and yes, with an iPhone by EBTR. Takes full advantage
of 12bit-depth raw capture!
Dave

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Jun 1, 2020 23:47:47   #
smussler Loc: Land O Lakes, FL - Formerly Miller Place, NY
 
I downloaded it to look at the exif data to see what lens was used.
DOF seemed pretty good. I wondered what macro lens was used.
Amazing photos come out of Cell phones these days.
Steve

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Jun 2, 2020 00:23:59   #
Uuglypher Loc: South Dakota (East River)
 
Hi, Steve,
No macro lens used. Of the three fixed lens cameras in the iPhone11ProMax the mid-range camera(“wide”1x... between the “double wide” 0.5X and the “tele” 2X ) manually focuses quite nicely down to amazingly short distances.. and then this was about a 40% crop... maybe closer to 35% or so... Could never have pulled a crop of this size and quality out of the ETTR exposure because it forfeits 75% of the full tonal spectrum of the sensor’s full dynamic range and discernible detail made possible by the extra two stops of exposure provided by EBTR. I lucked out with this particular iPhone. Another I tested has only one extra stop of raw-accessible DR at ISO 200 with the “wide” camera. It’s the luck of the draw!
Regards,
Dave

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Jun 2, 2020 05:25:37   #
selmslie Loc: Fernandina Beach, FL, USA
 
Uuglypher wrote:
Hi, Steve,
No macro lens used. Of the three fixed lens cameras in the iPhone11ProMax the mid-range camera(“wide”1x... between the “double wide” 0.5X and the “tele” 2X ) manually focuses quite nicely down to amazingly short distances.. and then this was about a 40% crop... maybe closer to 35% or so... Could never have pulled a crop of this size and quality out of the ETTR exposure because it forfeits 75% of the full tonal spectrum of the sensor’s full dynamic range and discernible detail made possible by the extra two stops of exposure provided by EBTR. I lucked out with this particular iPhone. Another I tested has only one extra stop of raw-accessible DR at ISO 200 with the “wide” camera. It’s the luck of the draw!
Regards,
Dave
Hi, Steve, br No macro lens used. Of the three fix... (show quote)

The posted image is 1058x808, 0.85MP. That's a 0.07 crop. Does that mean you cropped it more than once?

If you test this iPhone's camera properly (by looking at the raw file) you will find that there is no "luck" involved. There is no variation from one iPhone to the next for the same model. They all have the same dynamic range limited primarily by the 12-bit file's raw capacity which is a range of RGB values from 0-4095. There is no margin for ETTR in a 12-bit iPhone image.

You are right about one thing. Because of the extremely short focal length the DOF allows you it to focus very closely and provides a lot of DOF.

See iPhone closeup - It's not a matter of luck.

highlights and shadows are beyond the JPEG limit
highlights and shadows are beyond the JPEG limit...
(Download)

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Jun 2, 2020 11:51:51   #
sippyjug104 Loc: Missouri
 
Very nice.

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Jun 2, 2020 17:55:17   #
Dixiegirl Loc: Alabama gulf coast
 
Subject might be common, but your image is new and refreshing, Dave. Beautiful work!

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Jun 3, 2020 03:57:33   #
lovelylyn Loc: Fort Wayne, IN
 
Perspective! Awesome

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Jun 3, 2020 07:18:32   #
Uuglypher Loc: South Dakota (East River)
 
Dixiegirl wrote:
Subject might be common, but your image is new and refreshing, Dave. Beautiful work!


Thanks very much, Donna,
I appreciate your thought!

Dave

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Jun 3, 2020 07:20:33   #
Uuglypher Loc: South Dakota (East River)
 
lovelylyn wrote:
Perspective! Awesome


Thank you, Lovelylyn,
I’m so glad you saw that perspective matters!

Dave

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