so I am finally switching my whole kit over to L-mount (using a S5II) and I am honestly tearing my hair out trying to pick a dedicated portrait prime. I've got a huge studio shoot coming up in like three weeks in Chicago and I need to make a decision like yesterday. Right now I am stuck between the Sigma 85mm f1.4 DG DN Art and the Panasonic Lumix S Pro 50mm f1.4 but that Panny is so freaking expensive it hurts my soul. I also looked at the Sigma 105mm f1.4 but honestly it looks like a literal barbell and I dont know if I want to carry that around for 8 hours.
My constraints:
- Budget is strictly under $1500 (unless the 50mm is actually worth the extra debt lol)
- Needs fast autofocus for kids or moving subjects
- Good wide open sharpness is non-negotiable
I feel like the Sigma 85 is the logical choice but I've heard the colors on the Panasonic 50mm are magical or whatever. Is the 85mm just too tight for indoor studio work? My space isnt huge maybe 15x20 feet. I'm just tired of watching reviews that say everything is great because I need something that actually works for a living. Which one is gonna give me that high-end look without making me go broke?...
I've spent way too many hours digging through MTF charts and AF latency data on these exact lenses, so I totally get the stress. Given your 15x20 studio space, you really need to be careful. An 85mm in that room might be a bit tight for anything more than half-body shots, but it's incredible for tight portraits. I would suggest focusing on these points:
- Grab the Sigma 85mm f1.4 DG DN Art L-Mount. It hits that sharpness requirement easily and the AF is snappy enough for kids.
- Be careful with the Panasonic Lumix S Pro 50mm f1.4 price. Honestly, the data shows the optical difference might not justify the debt for most professional work.
- You might want to consider the Sigma 50mm f1.4 DG DN Art L-Mount if you find the 85mm too cramped in that Chicago studio. The 85mm is basically the gold standard for L-mount right now... just watch your distance in that small room and you'll be fine.
tbh just grab the Panasonic Lumix S 85mm f1.8. it is way cheaper. honestly most clients wont tell the difference. the af is snappy for kids. it works perfectly for studio headshots. in a 15x20 room it is tight for full body but it is a total steal. plus it wont kill your wrists after 8 hours.
> Right now I am stuck between the Sigma 85mm f1.4 DG DN Art and the Panasonic Lumix S Pro 50mm f1.4 @Reply #1 - good point! Space is definitely your biggest enemy. In my experience, the Sigma 50mm f1.4 DG DN Art is the sweet spot. It matches the S5II phase-detect AF perfectly and stays way under budget. If you want technical proof, check the lab tests on DPReview... it is surgical at f1.4. You will actually have room to move in that 15x20 studio without hitting the back wall constantly.
