yo! i totally feel u on this... i spent years trying to decide between these two focal lengths. for headshots specifically, 85mm is basically the gold standard cuz of how it compresses features. if you go with a 50mm, you gotta get pretty close for a headshot, which can kinda distort the face a bit... basically makes noses look bigger than they are lol.

Here's what i recommend for ur situation:

- Nikon NIKKOR Z 85mm f/1.8 S: Honestly, if you can find this used or on sale, GET IT. it's highkey one of the sharpest lenses Nikon has ever made. The bokeh is super creamy and it handles flare way better than the old stuff. i think it's usually around $600-700, so maybe check the used market?
- Nikon AF-S NIKKOR 85mm f/1.8G: if you already have the FTZ adapter, this older G-series lens still holds up really well. It's not as sharp as the S-line, but for portraits, a little softness isn't always a bad thing... plus it's way cheaper.
- Nikon NIKKOR Z 50mm f/1.8 S: If you're shooting in tight spaces, this is the best 'bang for buck' lens in the Z system. it's literally sharp from f/1.8.

Seriously tho, for those outdoor sessions, that 85mm compression is gonna give you the "pro" look you're after. I'd definitely lean toward the S-line Z lenses if ur on a mirrorless body—the autofocus is just way more reliable. idk if that helps but gl! 👍

sooo i totally get the struggle between the 50 and 85. in my experience, choosing the 'safe' route is better when you're investing this much money. for your $600 budget, you basically have two paths.

Option A: Nikon NIKKOR Z 50mm f/1.8 S. it's like, the sharpest lens for the price (usually $530-$600). it's amazing for half-body shots, but is it too wide for tight headshots? idk, depends on your style.

Option B: Nikon AF-S NIKKOR 85mm f/1.8G. it’s a total bargain at $450ish. the bokeh is creamier for portraits, but you'll need an adapter if youre on a Z camera. i'd be cautious with older glass tho... sometimes the autofocus is less reliable.

honestly, i’d suggest the 50mm S-line. it’s more reliable and the sharpness is highkey insane. maybe ask a pro at a shop to let you try both first just to be safe?? let me know if you need anything else! gl!

I would suggest going with an 85mm for those headshots, but the best value really depends on your setup:

* Mirrorless or DSLR?
* Do you have an adapter for older glass?

The price-to-performance shifts alot depending on the mount. I dont want to recommend a pricey native lens if a cheaper used one works for you! what are you shooting with??

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