The A7S III will file video internally with as much as 10-bit, 4:2:2 shade sampling and a most of 600 Mbps in its XAVC All-Intra (H.264) format. That bests the utmost 400 Mbps you’ll be able to seize on Panasonic’s GH5, as an example. As well as, Sony has examined 4K 60p seize at as much as one hour, although it stated there’s no recording time restrict in concept. That’s potential because of a brand new warmth administration construction constructed into the digicam.
If you happen to use Sony’s S-Log2/S-Log3 image profiles, you’ll see as much as 15+ stops of dynamic vary, way over most different client cameras. For HDR shooters, it’ll additionally seize 10-bit HLG with Four presets and allow you to file 1080p/720p proxies on the similar time. As well as, you’ll have the ability to seize full-frame (4,264 x 2,408) 16-bit RAW video externally by way of the full-sized, Kind a HDMI port, although Sony didn’t say which exterior recorders will probably be supported.
The A7S III will have the ability to deal with these comparatively excessive inside information charges because of the world’s first CFexpress Kind A/SD UHS II twin slots. Sure, there are two slots every for UHS II playing cards and CFexpress Kind A, although you’ll be able to solely use one or the opposite at a time. Nonetheless, two playing cards can be utilized without delay for simultaneous recording (backup), relay recording (card to card) and type recording (nonetheless or video, JPEG/HEIF and RAW codecs).
What, you may ask, is CFexpress Kind A? Effectively, it’s an all-new format being launched with this digicam, and makes use of CFexpress tech with smaller playing cards than the present Kind B format. Whereas it’s slower than Kind B, the 800 MB/s and 700 MB/s learn/write speeds are nonetheless as much as 2.eight instances quicker the SD UHS-II. On the similar time, it additionally helps the SD UHS II format.
That is sensible, as a result of UHS II playing cards are cheaper and simpler to seek out, and CFexpress Kind A playing cards will probably be scarce when the cameras go on sale. Once they do arrive, Sony informed Engadget that 80GB CFexpress Kind A playing cards will begin at $80, whereas 256GB playing cards will price $200.
The A7S III is the world’s first digicam with a 9.44-million dot EVF developed by Sony. It affords a really excessive 0.90x magnification, a 41 diploma discipline of view and 25mm excessive eye-point. With that stage of decision (equal to about 3.Four megapixels), it needs to be clear sufficient even for optical viewfinder purists.
This mannequin is the primary within the A7S sequence with phase-detect autofocus, and Sony hasn’t skimped right here, both. It affords 759 phase- and 425 contrast-detection factors, with 92 % protection and AF out there all the way down to -6 EV in low gentle. If you happen to’re into images, that permits for 10 fps burst pace with AF/AE enabled for as much as 1,000 uncompressed RAW recordsdata captured (with a CFexpress Kind A card).
As you’d count on, you additionally get real-time eye autofocus for each video and stills, with 30 % improved recognition, in accordance with Sony. Higher nonetheless, it really works in all video modes together with 4K/120p and Full HD at 240p. You’ll be able to choose from seven AF transition speeds if you wish to rack focus from one topic to a different. And in case you’re making an attempt to trace different objects like vehicles, you’ll be able to contact to pick them on the LCD show.
The truth is, the LCD show is the primary in Sony’s lineup to lastly assist full contact performance for menu operation. It’s additionally absolutely articulating, so it swivels to the facet and rotates 360 levels. Along with the in-body stabilization and improved rolling shutter, that ought to make the A7S III an excellent vlogging digicam.
To make contact operations work higher, Sony has accomplished redesigned the A7S III’s menu system, making it extra logical and higher for contact. Sony arguably had the worst digicam menu system earlier than this, however now it seems like among the best. For instance, sub-menus are far simpler to seek out as they now come out to the facet. It additionally has a devoted menu for film mode, with settings altering accordingly. It additionally seems to be far simpler to customise menus and buttons.
As with all of Sony’s latest full-frame mirrorless fashions, the A7S III affords built-in 5-axis picture stabilization. It guarantees no picture high quality compromises, as it may preserve 4K, 3,840 x 2,160 decision with solely a really slight crop in lively stabilization mode.
Different options embrace devoted microphone and headphone jacks, together with a USB Kind C port with energy supply assist and LAN adaptor connectivity. You may also join Sony mics on to the digital M1 shoe and even do 4-channel 24-bit recording utilizing Sony’s XLR-K3M adapter. Lastly, it’s value noting that the A7S III weighs in at 614 grams, making it lighter than the Canon EOS R5 and almost half the burden of Panasonic’s S1H.
A digicam with this type of functionality doesn’t come low-cost, in fact, however the costs are in keeping with previous A7S fashions. It’ll arrive within the coming months for $3,500 for the physique solely — $500 greater than the A7S II, however $400 lower than Canon’s EOS R5.