Background: I'm a prime guy (see signature) but it looks like I'm going to be assuming the role of official photographer for our Church. Mostly, this involves indoor set-ups with one or two person head-shots (half body), or family shots, again half-body but maybe up to six people. I have a Godox 685S plus the X1-T transmitter, plan on getting a 50-60" umbrella plus maybe a Godox 350 as a second light. Plan on using my A7ii (hand-held) since it has good AF and Eye AF plus IBIS. Question: Lens choices seem to be either the new Tamron 28-75/f2.8 at $799, or a used Sony 24-70/f4 OSS at $650~$750 on Ebay. Which to get? The Sony is smaller, has OSS, is OK at center but soft edges might be an issue for family shots. Tamron not sure, but seems OK at edges especially at around 50mm. Would the Sony 28-75 be OK just for this use? The images are really only used for the Church directory, and maybe up to 8x10" size prints (unless the family requests a print size larger, not too frequent). I probably won't use this lens as EDC. Opinions? Suggestions? BTW not interested in adapting any Canon EF lenses, thanks.