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added 1219 characters in body
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Alexey Popkov
Alexey Popkov
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As a list:

tiffinfo[All, "PageName"] // Values // Normal

{"t = -3.000000 ps", "t = -2.000000 ps", "t = -1.400000 ps", "t = -0.700000 ps", "t = -0.500000 ps", 
 "t = -0.240000 ps", "t = -0.120000 ps", "t = -0.040000 ps", "t = 0.000000 ps", "t = 0.020000 ps",
 "t = 0.040000 ps", "t = 0.060000 ps", "t = 0.080000 ps", "t = 0.100000 ps", "t = 0.120000 ps",
 "t = 0.140000 ps", "t = 0.160000 ps", "t = 0.180000 ps", "t = 0.200000 ps", "t = 0.220000 ps",
 "t = 0.260000 ps", "t = 0.300000 ps", "t = 0.320000 ps", "t = 0.340000 ps", "t = 0.360000 ps",
 "t = 0.380000 ps", "t = 0.400000 ps", "t = 0.500000 ps", "t = 0.600000 ps", "t = 0.700000 ps",
 "t = 0.800000 ps", "t = 0.900000 ps", "t = 1.000000 ps", "t = 1.100000 ps", "t = 1.400000 ps",
 "t = 1.700000 ps", "t = 2.000000 ps", "t = 2.300000 ps", "t = 2.600000 ps", "t = 2.900000 ps",
 "t = 3.200000 ps", "t = 3.700000 ps", "t = 4.340000 ps", "t = 5.000000 ps", "t = 6.000000 ps",
 "t = 8.010000 ps", "t = 10.010000 ps", "t = 12.010000 ps", "t = 15.340000 ps", "t = 18.680000 ps", 
 "t = 25.350000 ps", "t = 32.020000 ps", "t = 38.689999 ps", "t = 45.360001 ps", "t = 52.040001 ps"}

As a list:

tiffinfo[All, "PageName"] // Values // Normal

{"t = -3.000000 ps", "t = -2.000000 ps", "t = -1.400000 ps", "t = -0.700000 ps", "t = -0.500000 ps", 
 "t = -0.240000 ps", "t = -0.120000 ps", "t = -0.040000 ps", "t = 0.000000 ps", "t = 0.020000 ps",
 "t = 0.040000 ps", "t = 0.060000 ps", "t = 0.080000 ps", "t = 0.100000 ps", "t = 0.120000 ps",
 "t = 0.140000 ps", "t = 0.160000 ps", "t = 0.180000 ps", "t = 0.200000 ps", "t = 0.220000 ps",
 "t = 0.260000 ps", "t = 0.300000 ps", "t = 0.320000 ps", "t = 0.340000 ps", "t = 0.360000 ps",
 "t = 0.380000 ps", "t = 0.400000 ps", "t = 0.500000 ps", "t = 0.600000 ps", "t = 0.700000 ps",
 "t = 0.800000 ps", "t = 0.900000 ps", "t = 1.000000 ps", "t = 1.100000 ps", "t = 1.400000 ps",
 "t = 1.700000 ps", "t = 2.000000 ps", "t = 2.300000 ps", "t = 2.600000 ps", "t = 2.900000 ps",
 "t = 3.200000 ps", "t = 3.700000 ps", "t = 4.340000 ps", "t = 5.000000 ps", "t = 6.000000 ps",
 "t = 8.010000 ps", "t = 10.010000 ps", "t = 12.010000 ps", "t = 15.340000 ps", "t = 18.680000 ps", 
 "t = 25.350000 ps", "t = 32.020000 ps", "t = 38.689999 ps", "t = 45.360001 ps", "t = 52.040001 ps"}
Source Link
Alexey Popkov
Alexey Popkov
  • 62.3k
  • 7
  • 154
  • 375

Apparently Import simply ignores this tag. It seems to be a bug, please report it to the technical support.

As a workaround you can use third-party command-line utility tiffinfo (I obtained a Windows binary from this page) for extracting the tag information. From Mathematica it can be called using RunProcess:

tiffinfoOut = RunProcess[{"tiffinfo.exe", file}, "StandardOutput"];

Converting the output into a Dataset:

tiffinfo = Dataset[
   Association[#1[[1]] -> 
       Association[Rule @@@ (StringTrim /@ StringSplit[#2, ":", 2])] & @@@ 
     Partition[SplitBy[ImportString[tiffinfoOut, "List"], StringStartsQ["  "]], 2]]];

Requesting the "PageName" column:

tiffinfo[All, "PageName"] // Values

output