Sony Alpha A7R IV new camera topic

Vitaliy_Kiselev

Specs

61.0 MP1 35 mm full frame (35.7×23.8mm) Exmor R CMOS sensor
BIONZ X image processing engine
Outdated video specs
- 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
- 3840 x 2160 @ 25p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
- 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
- 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
- 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
- 1920 x 1080 @ 60i / 24 Mbps, AVCHD, MTS, H.264, Dolby Digital
- 1920 x 1080 @ 30p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
- 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
- 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Fast Hybrid AF with 567-point focal-plane phase-detection AF and 425-point contrast-detection AF
High-speed continuous shooting of up to 10fps25 with AF/AE tracking
Reliability and operational comfort supporting professional workflow
Compatible with Sony E-mount lenses
Battery Life: Approx. 530 shots (Viewfinder)/approx. 670 shots (LCD monitor) (CIPA standard)26
1.3 cm (0.5 type) electronic viewfinder (color), UXGA OLED
2.95 inch (3.0-type) wide type TFT Monitor
$3500 at

MikeLinn

MikeLinn

Vitaliy_Kiselev

We have updated the Alpha 7R III and Alpha 7R IV in response to customer needs, as we always strive to provide the best technology. The current models will still be available to purchase, in line with retail stock. We don’t yet have an on-sale date for the new model.

Sony wanted to make it silent, now hopes to push old stock that sells very bad.

Vitaliy_Kiselev

Silent update - same name, but different camera, ILCE-7RM4A

Including fully new LSI and motherboard

LCD resolution jumped from 1,440,000 dots to 2,359,296 dots
USB port has been upgraded to USB 3.2 “SuperSpeed USB 5Gbps”
The Sony logo under the LCD monitor has been removed, and the

Vitaliy_Kiselev

Graphite thermal interface (has superb horizontal thermal transfer, used similar to heatpipe here)

Yet thermal design has one huge flaw - one Micron chip (most probable it is DRAM BGA assembly) is mounted above main LSI, hence cooling is around 5-10x less efficient.