In with conjunction previous other Fujifilm X system testing
Birding Photography with Fujifilm X-T4 | liewwk Nature
One of the basic requirements of the camera, how much do we able to from Shadow & Highlight (under & overexpose).
Here are some basic tests
– Fujifilm X-T4, FUJINON XF100-400mmF4.5-5.6 R LM OIS WR
– Handheld
– Same ISO, F-number, Shutter Speed, Auto WB
– Adobe Camera RAW 12.4, same recovery and other parameters for the same test
*** I found the Dynamic Range setting not just affect JPEG output, but also affects the data inside the RAW files. So testing also included DR100 (off), DR200 (suppose reserve highlight exposure 1 stop) & DR400 (suppose reserve highlight exposure 2 stop)
But check out the RAW files recovery result below !!! it is some magic that happens !!!
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1. Highlight Recovery Test
1A. Highlight Recovery Test: Dynamic Range setting
– make sure of in Camera setting to protect Highlight details
– Dynamic Range 100 (off), 200 (protect 1 stop highlight information) & 400 (protect 2 stops highlight information)
CAMERA JPEG output
Even with the direct JPEG output, the highlight details have been protected (DR200 1 stop and DR400 2 stops). But let’s have a look at the RAW file recovery
LEFT: DR100
CENTER: DR200
RIGHT: DR400
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1B. Highlight Recovery Test: RAW files recovery
Test1: Highlight recovery from RAW files
– ISO1000, F5.6, 1/15 – this makes the picture +4 (4 stops overexpose)
– Adobe Camera Raw recovery. [Highlight -100%, Exposure -3.00]
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Test1Bi. Highlight recovery, DR100 (DR off)
– All setting same as mentioned above
– DR100
– LEFT: Direct JPEG from Camera
CENTER: RAW
RIGHT: recovery setting as above and save as JPEG
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Test1Bii. Highlight recovery, DR200
– All setting same as mentioned above
– DR200
– LEFT: Direct JPEG from Camera
CENTER: RAW
RIGHT: recovery setting as above and save as JPEG
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Test1Bii. Highlight recovery, DR400
– All setting same as mentioned above
– DR400
– LEFT: Direct JPEG from Camera
CENTER: RAW
RIGHT: recovery setting as above and save as JPEG
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Here’s come the magic of the RAW file and the Dynamic Range settings !!!!
– Look at the right face of the toy & background paper beg
– the DR400 not just protect highlight data in JPEG but in the RAW file, preserve more than what we expect (3 stops + 100% hight recovery)
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2. Shadow Recovery Test
– 5 stops underexpose
– ISO800, F5.6, 1/8000
– DR100, 200, 400
– below are JPEG direct output from Camera
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Test2A. Shadow recovery
Test1: Highlight recovery from RAW files
– ISO800, F5.6, 1/8000
– this makes the picture -5 (5 stops underexpose)
– Adobe Camera Raw recovery. [Exposure +5.00]
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As the discussion of Dynamic Range is to protect Highlight data of the pictures. But I still go ahead with my test with DR100, 200 & 400
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Test2Ai. Shadow recovery, DR100
Test2Ai. Shadow recovery, DR200
Test2Ai. Shadow recovery, DR400
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For the 5 stops Shadow recovery, most of the details of the focused object still intact.
But when we turn on the Dynamic Range (DR200 & 400) gives an impact on the RAW files. Something really weird where DR400 actually give negative impact which produces more color noise and purple tint when exposure recovery
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So we need 2 settings for Highlight & Shadow recovery
1. Highlight recovery: Highly recommend Turn on DR400
2. Shadow recovery: Highly recommended Turn of DR which is DR100
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