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Message # 81429.5 Subject: Eh? Date: Fri 22/05/20 20:42:21 GMT Name: Malvineous Email: mrnemesis@ntlworld.com |
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What has the DPI got to do with anything? If an image is 1200×1800 pixels, that is its size, regardless of what DPI you assign to it. DPI and pixel size is not a useful pairing. The proper pairing is DPI and physical dimensions: for any given size (e.g. 50 × 50 cm) the DPI indicates how finely detailed the image, and thus determines its pixel dimensions. This is mostly useful when creating bitmapped images for print work: I use DPI × size to determine how large an image must be for high quality presentation when printed out.
I checked a load of Erik’s photos and none of them have the DPI set at all. By comparison, one Wamderland set is marked as 72 DPI and another at 350 DPI. It’s irrelevant: the images are the same size no matter what DPI you claim they are. Marking an image as a higher DPI doesn’t create more pixels: it simply means that any program that honours DPI will print it smaller on a piece of paper.
DPI set in bitmap images also has implications for merging images into a single PDF will come out, which caused me a headache recently with how much of a mess that is in IrfanView. (IrfanView uses the image pixel dimensions divided by the DPI to determine the paper size of the PDF.) |
In reply to Message (81429) producers pictures!
By Anonymous - Fri 22/05/20 17:05:41 GMT Producers photo review.
Please keep in mind that I don't want to disencourage any producer, I only investigated briefly the pictures and made a list with some experiences.
Eurowam 1200x1600 72 dpi
Overal lightning ok, sharp, correcty white balance, focus is ok, also uses low f-stop from time to time to emphases the subject, correctly edited pictures. Only some higher resultion can be appriciated.
Wetlooker 1950x1303 72 dpi
Lighted by harsh flash, whitebalance differs from picture to picture (clothes can change color before being wet). I doubt if there is any editing here. some rubish pictures with closed eyes and incorrect focus are also in the list. Less could be more ...
Erik 1202x1800 240 dpi
Pictures are sharp and correctly focused, shots portrait most of time. Also uses a save F-stop to control sharpness. Whitebalance is ok in the whole set. the dpi allows you to enlarge the pictures
waminstyle 1373x2064 96 dpi
Sometimes I am confused about the focus point, some harsh shadows. Lightning could be better. Whitebalance is correct. very uncommon resolution though
Wamderland 2700x1800 72dpi
These are snapshots. There is actually no real style to comment here. I don't think that the foto's are edited in some way. Mostly distubed by the unbalanced horizon.
wetfoto 3240x2160 300 dpi
Light is sometimes bit overdone with loose of some detail, whitebalance is correct and pictures are in focus. Highest pictures quality of all.
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