Larger size photos.
Occasionally I have photos that have been accepted for publication. They always ask for a "larger" copy. I'm not sure what they mean or how to achieve it. l've given them TIF copies, larger JPEG copies. I shoot in RAW format but kind of doubt if they want those. Any ideas to help me out?
Ask your contacts to give you the specific or minimum pixel size they consider 'large'. Then, provide files that measure to that pixel resolution, as JPEG or TIFF. File size in bytes doesn't mean anything nor does DPI / PPI. The pixel size, like 6000x4000 = 24MP, is the measurement you need them to express to you, and then, you need to deliver. The 'how' to deliver a certain pixel size is discussed in this post, with examples from multiple software:
Recommended resizing parameters for digital images
It will be interesting to hear some pro responses. I'm going to guess that an art editor would know a lot about how your image will reproduce just by the file size. They would see a tiny jpeg and know you had to use a lot of compression or didn't have many pixels. Or maybe they wanted something not lossy. Publications usually have submission standards you can look up or ask for, no?
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