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Canon R3 vs Sony A1 – Head-to-Head Comparability

Sony has loved quite a lot of success not too long ago with the Alpha 1 digicam, which regardless of its £$6500 price-tag has generated quite a lot of curiosity amongst skilled customers and critical lovers alike.

Now Canon have struck again with the announcement of the EOS R3, on paper their most spectacular digicam so far, and which is clearly a direct challenger to the Sony A1.

The Sony A1 and the Canon R3 share various similarities on the subject of their core specs and options, so which one must you decide?

We’re bringing you this in-depth Canon R3 vs Sony A1 head-to-head comparability that can assist you select between these two flagship full-frame mirrorless cameras.


The Sony A1 has a 50 megapixel Stacked, Again-Facet Illuminated (BSI) CMOS sensor.

The EOS R3 additionally makes use of a stacked BSI sensor, identical to the one on the Sony A1, however it has a way more modest 24 megapixel decision.

Canon have been very fast to level out that the brand new sensor within the R3 has been developed solely by Canon, and never by Sony.

Again-Facet Illuminated (BSI) sensors doubtlessly translate into higher low-light picture high quality at like-for-like ISO speeds and sooner all-round efficiency.

ISO Velocity

The native sensitivity vary of the Sony A1 is ISO 100 to ISO 32,000, which might be expanded to ISO 50 to ISO 102,400.

The ISO vary of the Canon R3 is ISO 100 to ISO 102,400, which might be expanded to ISO 50 to ISO 204,800, so barely better than the Alpha 1.


The Sony Alpha 1 provide a headline-grabbing 8K video mode, making it certainly one of solely two digital interchangeable lens cameras to supply this function at current, the opposite being the Canon EOS R5.

The Sony A1 affords 8K/30p 10-bit 4:2:0 XAVC HS video recording with 8.6K oversampling, along with 4K 120p 10-bit 4:2:2 and FullHD at 240fps film capturing capabilities, and may output 16-bit Uncooked video over HDMI.

The Canon EOS R3 “solely” affords 6K/60p recording because of the 24 megapixel sensor that it makes use of, along with 4K video at as much as 120p.

We additionally hope that the bigger physique and the destructive suggestions that Canon have acquired in regards to the R5 implies that the brand new R3 would not undergo from over-heating in the identical manner that the R5 did, so it might be extra more likely to match the wonderful efficiency of the Sony A1.

And that definitely appears to be the case, as Canon are promising that the R3 can document as much as six hours of standard video or 1.5 hours at excessive 119.88/100p body charges.


The Sony A1 has a really superior AF system with 759 section detection factors that cowl roughly 92% of the picture space. It affords improved Actual-time Eye AF for people and animals, and new Actual-time Eye AF for birds, in addition to Actual-time Monitoring that routinely maintains correct focus.

The brand new Canon R3 has essentially the most superior model of Twin Pixel CMOS AF that the corporate has ever produced, together with a model new car monitoring mode, which lets you expertly observe motorbikes, open cockpit Formulation automobiles in addition to GT and rally automobiles, and even has the power to prioritise the car or the motive force’s helmet!

In an try and get one up on Sony, the Canon R3 additionally permits you to choose and transfer the AF level simply with the look of your eye utilizing the digital viewfinder, one thing that even the mighty Alpha 1 cannot do.

It stays to be seen simply how efficient this intriguing new mode will likely be in actual life, however it may give the R3 an actual edge over the A1 on the subject of rapidly having the ability to focus, with out even having to the touch the digicam controls.

Burst Taking pictures

The Sony A1 affords a class-leading 30fps burst capturing mode with its digital shutter for 165 JPEG frames or 155 compressed RAW photographs.

That’s, class-leading till now, because the Canon R3 ups the ante from the EOS R5’s 20fps mode to additionally present 30fps capturing with the digital shutter with full AF/AE monitoring and minimal picture distortion for 540 JPEG or 150 RAW photographs.

Physique and Design

The Sony A1 largely follows the tried and examined design of seemingly virtually each earlier Sony Alpha digicam – if it ain’t broke, do not repair it appears to be the mantra for the most recent Alpha digicam – with the A1 relatively like a extra polished cross between the A9 and A7S collection our bodies.

The Canon R3 is taking a markedly completely different method, that includes the same built-in grip with duplicated vertical controls that EOS-1D collection cameras have at all times provided.

Because of this the R3 will likely be a lot larger and heavier than the A1 out of the field, though becoming a battery grip to the flagship Sony digicam could considerably slim the dimensions and weight variations between them.

Each cameras are totally weather-sealed, as you’d count on from such skilled stage fashions.


The brand new Sony A1 has a 5-axis optical in-body picture stabilization system, however it solely gives as much as 5.5-stops of compensation – good, however not class-leading.

That accolade goes to the Canon R5 which has a reasonably unimaginable stabilisation system. It incorporates a 5-axis in-body picture stabilisation (IBIS) that gives as much as 8-stops of IS when utilizing the digicam with sure appropriate RF-mount lenses.

The brand new R3 affords the identical IBIS system because the R5 – its 5-axis In-Physique Picture Stabilizer can mix with the optical Picture Stabilizer in chosen RF lenses to supply industry-leading efficiency value as much as 8-stops – as soon as once more giving Canon a bonus over the Alpha 1.


The Sony A1 has a frankly wonderful 9.44M-dot OLED Quad-XGA digital viewfinder with 0.90x magnification and a refresh charge of as much as 240 fps which ensures no black-out even when capturing at 30fps.

The Canon R3 has a not-quite-so spectacular 5.76M-dot OLED digital viewfinder with 0.76x magnification and a quick 120fps refresh charge, the identical because the one within the EOS R5.

LCD Display

The Sony A1 has a 3.0-inch LCD display with 1.44 million dots of decision which might be tilted up by 107 levels and down by 41 levels.

Surprisingly for such a high-end digicam, the EOS R3 has a extra versatile vari-angle contact display which gives better flexibility of capturing angles because of its means to tilt and rotate into a variety of positions, not like the mounted display on the EOS-1D X III DSLR digicam.

And it is a lot higher-resolution than the Alpha 1’s display – 4.1-million dots to be actual.

Reminiscence Playing cards

As you’d count on from knowledgeable digicam, the Alpha 1 has twin reminiscence card slots. Each of them can be utilized for both SD UHS-I/II compliant reminiscence card or CFexpress Sort A playing cards.

The Canon R3 has one UHS-II SD card slot and one ultra-high velocity CFexpress slot, so it would not comply with the lead of the EOS-1D X Mark III which has two CFexpress slots.

Battery Life

The Sony A1 makes use of precisely the identical acquainted NP-FZ100 battery that every one the opposite latest Alpha cameras use, which gives as much as 430 pictures when utilizing the viewfinder and approx. 530 pictures when utilizing the LCD monitor.

The EOS R3 makes use of the LP-E19 collection battery from the EOS-1D X III relatively than the LP-E6NH collection that the EOS R5 makes use of, which gives as much as 620 pictures when utilizing the viewfinder and 860 pictures when utilizing the LCD monitor.


Within the UK the Sony A1 is priced at £6,500 physique solely and within the US it prices $6,500.

The Canon EOS R5 has a price-tag of £4,199 within the UK and $3,899 within the US, and the flagship EOS-1D X Mark III retails for £6,4999 / $6,499.

The Canon EOS R3 is priced at £5,879.99 / $5,999.00, so it is commendably cheaper than each the Alpha 1 and the EOS-1D X Mark III at launch.


The Sony Alpha 1 is at present the most effective all-round, do-it-all digicam in the marketplace, bringing collectively all of Sony’s leading edge stills and video applied sciences into one physique and surpassing what the likes of Canon and Nikon have to supply.

Now Canon have answered the problem with the launch of the R3, which is clearly their riposte to the Alpha 1. Now that they’ve disclosed all the important thing particulars, it is obvious that the EOS R3 will likely be a really critical rival certainly for the A1 when it launches in November later this 12 months.

So what do you suppose? Primarily based on what we all know thus far, would you select the Sony A1 or the brand new Canon R3, and why? Depart a remark under!

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