Venus Optics, the company behind Laowa lenses, has launched two new tilt-shift lenses: ...
Amateur Photographer on MSN
Canon RF 85mm F1.4L VCM review – the perfect portrait lens for stills and video?
Canon's fifth f/1.4 hybrid prime lens, the RF 85mm F1.4L VCM, rounds out a series that includes 20mm, 24mm, 35mm and 50mm ...
(a) The principle of the ultrasound testing in BHM; (a) FPI fiber-optic ultrasonic sensor; (b) Response of the sensor under 27.73 Pa acoustic excitation in frequency-domain; (c) Signal intensity ...
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