^ This. Also, I saw this thread earlier but just getting back to it now. Since you are on a budget, skip the official Leica thumb grip. The Haoge THB-Q3B Thumb Rest for Leica Q3 is a solid aluminum alternative that fits the hot shoe perfectly without the crazy markup. Technically, you really need to focus on your write speeds. The Q3 generates massive 90MB DNG files. A standard card will bottleneck the processor, so get at least one SanDisk Extreme Pro 128GB SDXC UHS-II V90. The 300MB/s transfer rate is basically the bare minimum for decent buffer performance when shooting bursts. For those 12-hour walks in Kyoto, the Peak Design Slide Lite Camera Strap works better than leather. It uses nylon webbing that doesnt soak up sweat and adjusts instantly. These items keep you well under your $450 limit.

Kyoto is gonna be absolutely incredible with that Q3! Honestly, dont even worry about the official Leica accessories because those markups are just plain crazy. Since official batteries are so expensive and the EVF eats power, I just carry an Anker 737 Power Bank PowerCore 24K in my daypack. The Q3 supports fast USB-C charging so you can just top it up while youre grabbing lunch or on the train! I swear by the IDS Works Leica Q3 Modular Base Plate and Grip for those long 12-hour days. It makes the camera feel so much more secure without adding a ton of weight. Also, definitely slap on a ULBTER Leica Q3 Tempered Glass Screen Protector just for peace of mind in crowded areas. For the lens, skip the overpriced cap and get a Haoge LH-Q3P Square Metal Lens Hood. It protects the glass and looks amazing! Youre gonna have a blast.

Like someone mentioned, the humidity in Japan is gonna be a major factor and it can make everything feel a bit sketchy when you're holding a expensive camera like that. I'm a bit of a worrier so I would definitely suggest getting a high-quality filter for the front of the lens. It's much cheaper to replace a filter than the actual lens if you bump into something in a crowded temple. I really like the B+W 49mm Master Clear Filter MRC Nano because it doesnt mess with the image quality but gives you that peace of mind. Also, just to be safe, I would totally get a screen protector. The glass is tough but one weird scratch from a zipper or a button will tank the resale value later. I went with the Expert Shield Glass Screen Protector for Leica Q3 and it fits perfectly without being bulky. For the battery situation, you might want to consider the Nitecore ULSL USB Travel Charger for Leica. It lets you charge via USB which is a lifesaver when you're on the move in Kyoto. Just be careful about the heat tho, make sure to keep the camera in a padded pouch like the MegaGear Ultra Light Neoprene Camera Case when you aren't actually shooting to keep it out of the direct sun. It's way better than a heavy leather case in the humidity!

saw this earlier but just now getting a chance to reply... i have spent way too much money on leica gear over the years so i feel your pain. honestly the biggest mistake i see people make—and i did this too—is over accessorizing before they even get to the destination. kyoto in a few weeks is gonna be hot and humid. my big warning is to skip those fancy leather half cases. they look great for photos but after eight hours of walking they get sweaty and gross and actually make the camera harder to hold. plus they just add bulk you dont really need. also i would be careful with thumb grips. i tried one on my old q and it ended up being a total pain because it blocked the dial just enough that i kept missing shots while fiddling with it. you want your hands to move naturally. as for the battery situation... please avoid the super cheap generic ones you see online. i have literally seen those things swell up inside the camera body due to heat and you do NOT want to be trying to pry a battery out of a q3 in the middle of a temple. its a nightmare. i usually just set my auto sleep timer to like one minute. it feels annoying at first but it saves so much juice over a full day of shooting. just keep it simple. the q3 is beautiful on its own and the more stuff you add the more you worry about the gear instead of the light... just my two cents from many miles of walking.

Jumping in here because Kyoto in the heat is an absolute dream but man, that humidity is no joke! I was there last year for two weeks and learned the hard way that when your hands get sweaty, that slick camera body becomes a total liability. You need a setup that actually breathes and stays secure when youre exhausted. My experience taught me that a solid half case is the way to go because it adds just enough texture to keep the camera secure without looking like a piece of industrial equipment. Plus, you really want something that lets you swap batteries fast because the Q3 eats them for breakfast when youre cranking the brightness to see the screen in the sun. Reliability is everything when youre miles away from your hotel and the light is hitting just right. Heres what I would actually drop the rest of your budget on:

• Lim's Design Leather Half Case for Leica Q3
• This has a built-in aluminum base and a grip that feels amazing. It makes the camera feel solid but keeps the aesthetic perfectly.
• Leica BP-SCL6 Lithium-Ion Battery
• I know, its expensive. But for a 12-hour day in Kyoto, you cannot risk a cheap third-party battery failing or swelling in the heat. Just get one extra official one for peace of mind.
• B+W 49mm Master 010 UV Haze MRC Nano
• Dont even think about leaving without a high-end filter. Between the dust in the shrines and the humidity, you want to be wiping a filter, not that expensive lens glass. That setup kept my gear safe and my hands comfortable even when I was hiking up to Fushimi Inari at noon. Youre gonna have a fantastic trip!