Ultrasonic water, slow motion Sony RX100 mk4
Delta (video on top): “This generation of cameras are terrific for scientific application even in home laboratories all over the world, since they are so affordable but are still capable of recording in 1000 FPS at good image quality. As you know, science is about observing and recording experiments, and the new high frame rate cameras are fantastic for this purpose.
Recording Ultrasonic vibrations in water:
Recording human reaction time from eye blinking:
Full list of todays Gold Box deals at Amazon.de, Amazon.co.uk, Bhphoto and Amazon.com.
German Batis 25mm review at Clickpix.
Firmware update for EF-E Smart Adapter MARK IV and EF-E Speed Booster ULTRA (Metabones).
A7rII test at Fototesty.pl
24-70’s – GM vs Zeiss vs Canon (SonyAlphaForum)