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Looking for a crash course in E Mount lens options for both apsc bodies and full frame

anyunusedusername

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Hello folks,

I'm an old POTN user that had shot for years with the F series Nikons on film from the 80's up until switching to Olympus when the EM-1 released. Never any real video interest and gravitated to sports and wildlife then street/travel (after switching to Oly) over the years.

My partner recently got more serious about the hobby and we combined all her old canon gear (Rebels and a mix and EF and EFS glass) and my complete Oly gear and traded everything in when she switched to RF. I've taken about two years off and oddly enough just used my cell phone a lot and bought an instax that I've enjoyed in that time.

I think I'm ready to invest some money again and it's been mostly procrastinating between a fuji and sony in the down time but I think I've settled on trying the Sony system for at least the next several years (and hopefully the rest of my time here) as I have not shot full frame since the F5 for the decade of loyal service it provided. I do not miss the darkroom but it sure was a lovely machine to work with when my shoulders and neck still could and the move to Oly was refreshing, exciting and inspiring. Hoping to feel a little of that again this time. =) Canon is not producing a body that interests me to share lenses unfortunately, that would be too easy and the leicas are out of my realistic financial appetite. I was very lucky to remain satisfied with the two systems most of my life.

I've been having some trouble sussing out the difference in the E mount system and the limitations between the different lenses if I were to purchase nice glass and a used APSC body (it looks like the a6300 is the sweet spot right now?) and next year about this time buying something like the A7Cii. It's been my experience that I am generally the limitation, not the body so I'd rather spend more on the glass until I learn the menus and system inside and out. I don't see myself shooting anything different really: travel, street and the occasional family event. I have nice RRS tripods, heads and monopods still; I kept most of that stuff so will just need mounts for the bodies and lenses.

tldr: Is there any reason NOT to buy glass for the full frame in mind (other than size and weight)? I am looking at a purchase of 24mm, 35mm and 50mm with either an 85mm or 135mm as well with the likely idea of leaving one of these original purchases on the APSC as a second body and focal length in my sling and the one I favor on the full frame body around my neck. I am not particularly interested in a large zoom given the body size but I may make a purchase like that to use only on the monopod on the rare use case. Budget is around $3500 in the hope to be shooting again for some travel in a few months and my inner voice says blow it on glass not a body but I don't know if that is the best idea still. Likely another few thousand dollars each year until I feel comfortable in my full kit. I would expect I will cycle through lenses as I go through this process again.

Thank you for any advice you can offer and even more so for keeping the POTN thoughts alive. I was saddened to see it had retired even though I hadn't posted in many years. If was comforting knowing that knowledge existed.
 
I'd suggest checking Sigma I series:
17 4
24 3.5, 24 2
35 2
45 2.8
50 2
65 2
90 2.8

I have 24 3.5 and 35 2. 17 4, 24 2 and 50 2 were released after mine.

They share a fair bit in common but there are differences.
24 3.5 is very small.
24 2 I would not recommend, Sony GM 24 1.4 would be my pick.
35 2 is not as small but very good. Overall, from f2, very similar to Sony GM 35 1.4 which is superb. Sigma is cheaper and smaller.
45 2.8 is a little different, but very popular. It's the only one where the AF can be a little less than perfect.
It's a 'rendering' lens. You can search and find Sigma's design philosophy for this one.
50 2 I have not paid much attention to. (I have Voigtlander 50 2 APO)
65 2 is probably the most impressive optically, very sharp.
90 2.8 great lens, compactness seems to be the strongest aim.

Being 'open', the Sony mount has many 3rd party options.

For body, I'd go with A7III instead of 6300.
A big reason is battery. 6300 uses the old, smaller NP-FW50 battery.
A7III uses the newer, bigger NP-FZ100. That's still used in the most recent bodies.

For APS-C, A 6600 uses the bigger battery. For me, A7III is $50 more than A6600.

FM Forums has a massive amount of info on Sony lenses. Fred Miranda (ie, FM) is a great lens tester.
eg:
Voigtlander 35mm f/2 APO-Lanthar Review

The first page has: Infinity Performance compared to Sigma 35mm f/2 DG DN
 
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Thank you for your great advice! This gives me direction for my studying up on the system. I take it these are all expected to be relatively safe for AF on both the apsc and full frame bodies other than the note you made regarding the 45 2.8?

Since my goal is to have one apsc and one full frame body, I was thinking of saving some money and size on the apsc and making the full frame one of a7c type bodies. The more traditional prism top a7iii type bodies are a bit too small for my grip to engulf the body and a bit too large for the actual designed grip to be comfortable and I am hoping for small this time around. If my thought process needs to be revaluated then I will certainly go put my hands on them again. Perhaps renting an a7iii and a6x00 is a good idea once I pick a few lenses to a start with. I already very much like the a6x00 series and the a7c but have only held the more convention a7 series for a few minutes in the store.
 
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