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

Sony has loved loads of success lately with the Alpha 1 digicam, which regardless of its £$6500 price-tag has generated loads of curiosity amongst skilled customers and critical fans alike.

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

Canon have not revealed the whole lot concerning the new R3 simply but, however the Sony A1 and the Canon R3 already share numerous similarities with regards to 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 will help you select between these two flagship full-frame mirrorless cameras.


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

We do not know the megapixel rely of the EOS R3 simply but, however we do know that it additionally makes use of a stacked BSI sensor, identical to the one on the Sony A1.

It will not be precisely the identical, nevertheless, as 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.

One of these sensor doubtlessly interprets into higher low-light picture high quality at like-for-like ISO speeds and quicker all-round efficiency.

ISO Pace

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 has not but been disclosed.


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

The Sony A1 provides 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 will virtually actually at the least match the cheaper R5 by providing 8K inner video recording as much as 30p (non-cropped) in 4:2:2 10-bit Canon Log (H.265) or 4:2:2 10-bit HDR PQ (H.265), along with 4K video at as much as 120p.

We additionally hope that the bigger physique and the unfavourable suggestions that Canon have acquired concerning the R5 would imply that the brand new R3 would not endure from over-heating in the identical method that the R5 did, so it could be extra prone to match the superb efficiency of the Sony A1.


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

The brand new Canon R3 will apparently have essentially the most superior model of Twin Pixel CMOS AF that the corporate has ever produced, together with a model new, as but undisclosed AF monitoring mode which we guess might be Fowl-eye AF, hopefully matching the Sony A1’s frankly superb Fowl-eye AF mode.

In an try and get one up on Sony, the Canon R3 can even permit 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 might be in actual life, nevertheless it may give the R3 an actual edge over the A1 with regards to shortly having the ability to focus, with out even having to the touch the digicam controls.

Burst Capturing

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

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.

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 reasonably like a extra polished cross between the A9 and A7S collection our bodies.

The Canon R3 is taking a markedly totally different strategy, 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 might be a lot greater 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 absolutely weather-sealed, as you’d count on from skilled stage fashions.


The brand new Sony A1 has a 5-axis optical in-body picture stabilization system, nevertheless it solely offers 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 includes 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.

We might count on the brand new R3 to supply the identical IBIS system because the R5, as soon as once more giving Canon a bonus over the Alpha 1.


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

The Canon R5 has a not-quite-so spectacular 5.76M-dot OLED digital viewfinder with 0.76x magnification and a quick 120fps refresh price. We hope that the R3 will up the ante considerably and at the least match the Alpha 1 on this division.

LCD Display

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

We do not know if the Canon R3’s display screen might be higher-resolution, nevertheless it in all probability will not flip out to the facet and even tilt, because it’s extremely prone to be identical to the fastened display screen on the EOS-1D X III DSLR digicam.

Reminiscence Playing cards

As you’ll count on from an expert 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 EOS-1D X Mark III has two CFexpress slots, so we might in all probability count on the R3 to comply with the lead of the 1D X and have two reminiscence card slots that each help CFexpress reminiscence playing cards, reasonably than the combined media strategy of the Alpha 1.

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 offers as much as 430 photographs when utilizing the viewfinder and approx. 530 photographs when utilizing the LCD monitor.

It is not clear but which sort of battery the R3 will use – in all probability both the LP-E6NH collection that the EOS R5 makes use of or the LP-E19 collection from the EOS-1D X III. Because it has an built-in grip, although, battery life will clearly be for much longer out of the field than the Alpha 1.


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.

So though it hasn’t been disclosed but, we strongly suspect that the brand new R3 will price the identical as its important mirrorless rival and the DSLR that it successfully replaces.


The Sony Alpha 1 is at the moment one of the best all-round, do-it-all digicam available on the market, 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. Though they have not disclosed all the important thing particulars but, Canon have revealed simply sufficient to recommend that the EOS R3 might be a really critical rival certainly for the A1 when it launches 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 beneath!

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