I brought a 50mm to Trastevere last year and spent half my time backing into ancient stone walls trying to fit the architecture in. The Sony FE 35mm f/1.8 SEL35F18F is the logical choice for your A7CII because its 63 degree FOV handles narrow alleys best.

• Price: 600 USD
• Weight: 280g
• Minimum focus: 0.22m It basically gives you enough context for street shots without looking like a distorted wide-angle mess.

To add to the point above, if you're stressing the budget, you actually have a few technically superior options that won't blow that 800 bucks. Since you're using the A7CII, you really want a lens that matches that compact form factor. The Sony FE 40mm f/2.5 G is basically the perfect companion for that body. It's about 600 USD, so you stay under budget, and at 173 grams, it wont fatigue your wrist while walking around Rome all day. Technically, 40mm is the true normal focal length for full frame anyway, splitting the difference between the 35mm and 50mm debate perfectly. If you want to be even more budget-conscious, the Samyang AF 35mm f/1.8 FE is a total steal at around 350 to 400 bucks. It gives you almost identical performance to the Sony native version but leaves you 400 dollars extra for your actual trip. Another technical standout is the Sigma 35mm f/2 DG DN Contemporary from their I-series. It is got incredible build quality and a manual aperture ring, which is fun to use, and usually clocks in around 640 USD. Personally, I’d lean toward the 35mm or 40mm side for versatility. You can always crop a 35mm shot to look like a 50mm in post, but you cant make a 50mm shot wider when you're trapped in a tight alley. Just something to think about before you pull the trigger... if you need the specific MTF charts or distortion data for these, I can probably find them for you.

@Reply #4 - good point! Honestly, reading about the weather and the narrow streets reminds me of my cousin who went through a similar ordeal before his big trip to Milan. He was stuck between a native Sony prime and an expensive Zeiss equivalent because he was obsessed with the color science differences between the brands. He spent weeks making spreadsheets comparing weight to aperture ratios and reading forum threads just like this one. He was so cautious about the investment that he actually ended up missing the return window for his camera body while he was still debating which lens brand would give him better skin tones. Then, on his very first night in Italy, he left his gear bag on a train platform while trying to figure out the ticket kiosk. The whole thing was gone in minutes. It really makes you think about how we stress over the technical details of a lens for months, but sometimes real world luck just takes over anyway... I would definitely suggest being careful with your bags in the crowded stations.

Finally someone says it. Ive been thinking this for a while but wasnt sure.

> which prime is actually the most versatile for a single lens setup? Saw this earlier and wanted to chime in because I have been using the Samyang AF 35mm f/1.8 FE for over two years now. I am incredibly satisfied with it as a one-lens solution. It only weighs 210g. The design features 10 elements in 8 groups, including two aspherical lenses that really help with corner sharpness. Technically, the 63.6 degree angle of view is way more versatile than a 50mm for tight European architecture. Lisbon was a blast with this lens and it just works well for everything. The linear STM motor is basically silent. This was huge when I was trying to be discreet in quiet chapels. Plus it has that custom switch on the side... I usually set it to control the aperture manually. For roughly 350 to 400 bucks, you get weather sealing and great optics. This leaves you half your budget for actual travel experiences. Zero complaints with the autofocus speed even in dim lighting. It also has a decent 0.29m minimum focus distance for close-up food shots. It is definitely a sleeper pick for the A7CII.

Saw this today and had to jump in. Quick question though: do you mostly do landscape stuff or photos of your travel buddies? Italy is tight, so you gotta be careful with longer focal lengths.

• 35mm is way more forgiving in narrow Roman streets.
• I would suggest checking the Sigma 35mm f/2 DG DN Contemporary Sony E for that tactile feel.
• Dont forget that 35mm lets you crop in, but 50mm wont let you zoom out...

Re: "To add to the point above, if you're..." - honestly 35mm is usually the way to go for the sheer reliability of getting the frame you want without too much fuss. I once spent a whole week in Rome with just one prime and it really forces you to move your feet. But man, the weather there can be so unpredictable. I remember:

• Getting absolutely soaked near the Trevi fountain.
• Ducking into a random basement bar that only served local Grappa.
• Losing my favorite hat to a gust of wind on a bridge. That Grappa place didnt even have a sign outside, just a heavy wooden door. We ended up talking to the bartender for hours about Italian football and he kept giving us free snacks because my friend spoke a tiny bit of broken Italian. I completely forgot I even had a camera with me until we stumbled back to the hotel. Those unplanned moments usually end up being the best parts of the trip tbh. Anyway lol, sorry kinda went off topic there.