>>12841923>why the large sizeThat's one of the smaller ones in that set, most of them are too large for 4chan.
>I've seen pics of comparable resolution and jpg's that look just as good or better, with smaller file sizeCompression. Some data compresses better than others. That type of shot- outdoors, with objects in front of the subject (in this case, grass) compress the worst. Studio shots against a solid-colored background compress the best.