On this official image from Sony’s website, the A7R V appears to sport the lovely top-left dial from the A1… Until it doesn’t!
What happened to Jonny dial? Kidnapped, or run away to the circus?
Meanwhile, speaking of disappearing things – is Twitter in trouble? These and more thoughts on EOSHD coming your way…
Read moreSony A7R V and the curious case of a disappearing dial – Also, is Twitter all over?
Nikon are said to be working on a professional Z series full frame camera, based around a similar stacked CMOS sensor to the Sony A1.
Read moreNikon promise 8K mirrorless camera within a year, close in spec to Sony A1
Sony go 8K finally – with the Alpha 1 (a1) mirrorless camera announced today. It is the most technically advanced camera Sony has ever released, and also the most expensive. It has a 30 minute limit in 8K mode due to heat, but a proper structure inside the camera to dissipate it more quickly. The camera is $2000 more expensive than the Canon EOS R5, but likely more dependable rather than the toy-like will-it-won’t-it get through a shoot reliability we have come to expect from Canon. Technically the Alpha 1 has a number of advantages over the cheaper Canon body. 8.6K oversampling and 4K/120p 10bit 422 ALL-I come from a faster sensor readout due to a stacked DRAM architecture and the world’s first electronic shutter that eliminates banding & flicker. The 30 minute limitation applies to 4K/60p as well but the 4K/24p mode is likely to record for longer. It is not known yet whether the 4K at regular frame rates on this camera comes from a pixel binned output or a full 8K sensor output.
The codec options are similar to the A7S III with 10bit 422 ALL-I at high bit rates, 10bit 4:2:0 XAVC HS in 8K (H.265). S-LOG 3, Creative Looks and S-Cinetone (hopefully the A7S III will also be getting S-Cinetone via firmware update). Real-time eye AF works in 8K and the new stacked Exmor R sensor enables an incredibly fast readout with minimal rolling shutter. We get 5.5 stop 5 axis IBIS and a large 9 million dot EVF.
Here’s the full headline specification for video shooters:
Read moreSony Alpha 1 announced – 8K, 50MP (Canon EOS R5 competitor, but $6500)
I can now record 8K video on my Canon EOS R5 with no recovery period or lockout until the battery dies.
I filmed the proof and it’s a clear indication that any overheating controversy is the result of an artificially restrictive timer in firmware, rather than any real thermal buildup inside the camera at the end of 20 minutes of 8K recording, monitored by a temperature sensor.
We have been sold a lie.
Canon really threw the kitchen sink at the EOS R5 specs sheet. What about the kitchen fridge?
Read moreCanon EOS R5 overheated taking stills in my fridge! After just 60 JPEGs! (4 °C ambient)
In this test, we will probe my Canon EOS R5’s actual internal temperature in Celsius, as reported by the firmware.
Is overheating real or fake?
The Canon EOS R5 must be recalled now as this is so far from acceptable. It appears that only 1-2 hours into a stills shoot you can toss aside the Canon overheating test data in the real-world.
In an update to the test at DPReview, Richard Butler found this out the hard way as he describes below.
The real story is not the continuous recording cut off at 30 minutes from cold in normal room temperatures, but that the limit is closer to 2 (or even zero) minutes during a day’s real-world shooting.
Read moreThe real-world 4K HQ overheating limit is 2 minutes on the Canon EOS R5 say DPReview
DPReview has released their Canon EOS R5 and R6 test of overheating, using the final production models. Technical editor Richard Butler remarks “Lack of dependability makes them a poor choice for much professional video work”.
Read moreOpinion on DPReview’s Canon EOS R5 overheating test in 4K