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Which version of the MBP have you got? The internal SSD uses a PCIe interface (as is normal for modern internal SSD). The T9 supports 'USB 3.2 Gen 2x2' (20 Gbps) but your MBP might not support that on its expansion ports. The speed you're getting suggests it's running at 'USB 3.2 Gen 2x1' 10 Gbps connection speed.

My experience with non-OEM camera batteries (from a variety of 'brands') versus OEM ones is: 1. Their usable/useful capacity is usually lower (by maybe 10-20%), irrespective of their nominal capacity as stated by the supplier. 2. The battery indicator accuracy (on the camera screen) is lower. 3. They have higher self-discharge rates (i.e. when they're charged but not being used). 4. Their useful life (number of charge/discharge cycles and age) is lower. 5. The capacity versus cost is way better, so you can buy two or three of them for the cost of one OEM battery. Beyond the OEM battery included with a camera, I've nearly always bought 'mid-price range' non-OEM batteries (and usually I have three batteries per camera) as they are so much cheaper and I'm not using them day in, day out (or earning a living from them). If I was using them hard I'd buy OEM batteries, other than maybe having a couple of non-OEM ones as an emergency backup. If I wanted good non-OEM batteries at a reasonable price, I'd probably go for suppliers with a decent reputation in the market to protect and that you might get some after-sales support from e.g. Small Rig, Neewer, Wasabi, Hahnel etc.

But the A6400/6500/6600 have very high rolling shutter in 4k (and not-so-good FHD quality), which has always ruled them out for me. The recent A6700 with its new sensor, half the rolling shutter time, 10-bit and 4k60p support looks a much better video tool, but it's chunkier, heavier and twice the price of the A6400. But if I were to move away from micro4/3, it would definitely be on my 'serious consideration' list.

It's not IBIS - it has OIS in the lens (standard SteadyShot) plus optional electronic stabilization (active SteadyShot, with a crop). It's very good in 'active' mode, but it's not up with the best stabilization from Oly/OMDS/Panasonic.

(duplicate post)

I've not owned/used an E-M5 iii (played with one a few times), but I have owned the very close relative E-M1 ii, so this is based on using that camera and what I know about the E-M5 iii. Gains: MIc input (and better sound from the on-board mics). Better IBIS. No-crop 4k at 25 & 30p plus (excellent) C4K at 24fps (only). Good (IPX1 rated) weather-sealing. OLED viewfinder. All-I 200 Mbps compression option for FHD, otherwise it's max 50 Mbps IPB for FHD, 100 Mbps for 4k and 237 Mbps for C4K (all VBR). Simple/quick switching between stills and movie mode via the 'function lever' on the back. More physical buttons and dials, including a front function button. Lots of control programmability. The 'Super Control Panel' (Oly's equivalent of the Quick Menu) is nice/very useful. Losses: It's basically a plastic body (to keep the weight down - it's slightly lighter than the GX85), so maybe doesn't have the more premium feel of the GX85. The FHD video is soft. The video compression isn't as good as Panasonic at similar bitrates. Weak tripod mount. Restricted choice of focus areas in video (compared to stills). The Olympus menu system...(but you get used to it eventually). You can't save several custom video setups (only custom stills setups). If you press the video record button in a 'stills' mode it always uses P mode (irrespective of the current stills settings). Flip-out screen on E-M5 iii versus tilt on GX85 - a personal preference thing.

I thought it might...😉

It's a bit bigger and heavier than a GX80, but the G80/G85 is basically a GX80 with better IBIS and a mic input (same 16MP sensor, so same 4k crop factor). More expensive (used) but closer in size and weight to the GX80 is the Oly E-M5 iii (this is basically a simplified E-M1 ii in a smaller body, so you get PDAF, great IBIS, a mic input and no-crop 4K). I'd also agree with Mercer re. the ZV-1 (it's really small and has a mic input). Comparison of GX80, E-M5 iii and G80/G85 (all fitted with the 12-32mm pancake lens) - https://camerasize.com/compact/#673.397,835.397,689.397,ha,t

I've been round the 'should I buy an FZ2500 or RX10' loop several times over the last few years (to partly or wholly replace my micro43 stuff) but I've never bought one. The main reasons are the size and weight of them relative to G9 or GX85 plus 14-140mm lens - see below (from the left - GX85+14-140, G9+14-140, FZ2500, RX10iv), and the high quality of the video from the G9 (including 4k50/60p and 4k24/25/30p 10-bit 4:2:2). The GX85 (or GX9) plus 14-140mm combo is noticeably smaller and lighter than the FZ2500 or RX10iv. Which option would you choose? 🙂 (and yes, I know the FZ2500 and RX10iv have a longer zoom range than the 14-140mm lens plus power zoom, and the RX10iv has PDAF).

That scenario underpinned the storyline of the excellent 1988 film 'Working Girl', directed by Mike Nichols (of 'The Graduate' fame). One of my favourite movies. I thought that too 🙂 I think that was said (unofficially) at the time, or at least hinted at. Certainly later on Panasonic implied there had been exchanges of technology and development between the consumer and professional video divisions in the GH5 era. None of which is very surprising, really.

No experience of recording to them from a camera directly, but I use a 500GB T7 (non-Shield) at home for video files, and we use several T7 Shield drives at work for daily off-site backups. Performance is good (and doesn't slow down noticeably when they being worked hard and get hotter) and so far they've been reliable, They also seem well built.

It's not a 'challenge', degraded close vision is just a very common issue as we get older. Just get your eyes tested at a decent opticians, explain what you need to do, sight-wise, and see what they suggest to fix the issue. I've been short-sighted (degraded distance vision) since I was a teenager, and now 50 years later I have the usual age-related degraded close vision as well. So I became a wearer of varifocal spectacles at least a decade ago and I think they are great (albeit they are most expensive lens type). The best ones have three 'areas' (if you need it) - distance correction in the upper part, reading/close-up correction in the lower part and mid-distance correction in the middle part e.g. for when using a computer monitor or the instruments when driving. Some people don't adapt well to using them though. (...and I wouldn't want to "wear reading glasses on the point of my nose" either - it's just not necessary these days when there's so many better choices to correct vision problems).

I'd agree with the others that you've already found the best ILC solution. Personally I don't expect any new very compact ILCs to appear (warmed over stuff like the G100D excepted) - I think that market segment is largely catered for now by small RX100/ZV-1 size 1" sensor compacts plus larger sensor phones. I think it's not that camera manufacturers couldn't do it, more about if there would be enough customers willing to pay a high price for something like a G9 ii sensor and processing sqeezed into a sub-GX80/GX9 size body, with the inevitable limitations on recording times and battery life. Re. IBIS - I've now sold all my older cameras without it, because I much prefer doing most shooting handheld. I don't like an obvious 'handheld' look (overused sometimes in films and TV), so like Kye I rely on IBIS plus stabilisation in post if necessary. It's mostly why I live with video quality limitations in exchange for IBIS performance on the E-M1 iii and OM-1 (the OG G9 IBIS gets close, has worse AF and better video quality - swings and roundabouts...). The ZV-1 in 'active' SteadyShot mode (OIS + EIS) is quite decent but IMHO not up to E-M1 iii/OM-1 standard - but it is pocket sized after all...

Note the F and mk ii versions don't have OIS (only EIS and embedded gyro data for stabilisation in post). It was a major reason I bought the original version recently - I've got used to having good stabilisation on micro 4/3 cameras.

I think limited 4k recording times on very small cameras is just one of the compromises you have to accept (battery life is another) - e.g. the GX800 is limited to 5 minutes in 4k, the LX100 and TZ100 to 15 minutes. This is the recording time info in the manual for the ZV-1:

If the LX10 is a possibility, then maybe the Sony ZV-1 (the original version)? Lens OIS (plus EIS in 'Active' stabilization mode). Also records gyro data for stabilization in post. 4k 24/25/30p at 100Mbps, FHD at 50Mbps, no crop in 4k, Cine/S-Log/HLG picture profiles (but only 8-bit). PDAF. Startup time about 3 seconds, including adjusting the zoom to where it was last time. Good on-board audio (with an included furry) plus a mic jack (which doesn't foul the screen when it's hinged out). The manual is here - https://helpguide.sony.net/dc/1910/v1/en/index.html Downsides that I've noticed so far: The battery life when shooting video is poor (there's just not the space for a large battery in a body that small...but 3rd party batteries are cheap) Anything screwed into the tripod hole blocks the battery/card door from opening. Only one control wheel. The Sony menus...

In the small/light/cheap micro4/3 lens category, the Pan 14-42mm F3.5-5.6 II kit lens is worth considering - twice the length of the 12-32mm, but has a focus ring and (on my copy at least) a smoother zoom ring. Both lenses on a GX85:

I own the last three lenses on that list. The 20mm F1.7 is a nice lens optically, but for video use its AF is noisy and the minimum aperture is F16 (versus F22 for most micro4/3 lenses). No OIS. The Pana 12-32mm F3.5-5.6 is nice - weighs almost nothing and is very compact when closed and has OIS (with dual-IS support on the GX85 etc.). No manual focus ring, which means no MF on Olympus/OMDS bodies as they don't support MF adjustment via the camera body controls (AFAIK all Olympus lenses have a focus control). Panasonic does support body MF control for it. Tends to be my go-to lens if I'm taking a second camera on a trip, to keep the size down. Olympus M.Zuiko Digital ED 14-42mm F3.5-5.6 EZ - I think it's OK but nothing special - the power zoom isn't especially smooth, but it does have both zoom and focus rings on a slim pancake lens.

Here are a few old 2160p25 and 1080p50 SOC clips from my GX800 (which I no longer have) - https://drive.google.com/open?id=13vWtrMzGKQ5qR1l2zCr_NBVjIowFuy4V&usp=drive_fs . All hand-held, probably using the 12-32mm or 14-42mm kit lenses, standard picture profile, shutter priority (using the 'flicker reduction' setting). The train going over the road crossing (P1000474.MP4) shows the rolling shutter nicely.

On the gx800, if you're happy with 4k30p, you can use '4k photo' mode to shoot video with PASM control. Also you can use the 'flicker reduction' menu setting to fix the shutter speed to 1/120, 1/100, 1/60 or 1/50 in normal video mode.

I don't own the R7, but this is a detailed review of its video capabilities - https://www.optyczne.pl/65.1-Inne_testy-Canon_EOS_R7_-_test_trybu_filmowego_Wstęp.html

Have you thought about the (APS-C) Canon R7? In the UK the R7 bundled with the RF-S 18-150mm f3.5-6.3 IS STM Lens is £1799 at the moment, so you might be able to get it within your budget in Italy. Has decent IBIS, good AF and dual card slots, and some contributors on here like it. Does 4k60 and high quality oversampled 4k up to 30p (the rolling shutter is high at 30ms in oversampled mode, but much better at 15ms in the subsampled 4k modes).

Re. L-mount lens choices - Don't forget the S5ii/iix is APS-C crop in 4k60p (and you can choose APS-C crop for other video modes), which means the cheap but good Pana 20-60mm 'kit' lens becomes about 90mm equivalent at the tele end. There's also a pixel-pixel crop mode, which is about 3x magnification in FHD so 180mm equivalent (at reduced video quality of course).

What about the much cheaper A6700 (which probably has the same sensor as the FX30 and can do 4k60p and 4k120p, but no fan so overheating may be an issue)?

...and 4K 30p/25p/24p 4:2:2 10-bit internal recording at 150Mbps H264/AVC.