Taking The New Sony a7R IV to Alaska
应该是首篇 Sony A7RIV 评测文章！
全文连结：
https://www.colbybrownphotography.com/taking-the-new-sony-a7r-iv-to-alaska/
图片节录：
https://i.imgur.com/TBILNkm.jpg
https://i.imgur.com/92i6K8A.jpg
https://i.imgur.com/Kk68hzH.jpg
New 61mp Full-Frame Backlit Sensor
APS-C Crop Mode = 26.2mp Image
10 FPS Shooting
New 5 Axis IBIS designed specifically for the high resolution of this sensor
New AF AI from the a9 includes Real-Time AF Tracking + Eye AF with Touch
Support for tracking subjects
Dual UHS-II Card Slots
Not Blackout Free, but improved minimal visual lag when shooting high FPS
Redesigned shutter mechanism to suppress all vibrations
Increased Shutter life span (500k)
16-bit processing with 14-bit image files
NEW 1:1 image ratio option (along with 4:3, 16:9 & 3:2 options)
NEW Custom WB improvements (similar to the a9)
NEW Pixel Shift Option (16 images at 1/2 pixel distance) = 240 MP images
NEW AF down to -3 EV
NEW AF doesn’t have to stop down the aperture to focus
NEW Eye AF for Movies (coming after launch via firmware)
NEW Adjustable Focus Spot color selection: White or Red)
NEW option to save camera settings to SD card
You can access the menu while the buffer is being used
I didn’t see any Video changes from the a7R III, but I will update this if I
missed something
USB C 3.2
Improved Weather Sealing on all gaskets, including far superior protection
for the bottom of the camera.
官方发表会截图：
https://i.imgur.com/3cDlQDT.jpg
售价 USD$3500，预计九月开卖