Iris diaphragms are essential in the control of light, which makes them essential components in microscopes and cameras. Take ...

Iris scan biometrics is one of two techniques that use unique eyeball characteristics for security and identification ...

Both of these Black Friday 7artisans lens kit deals offer the chance to save hundreds on what are pricey pieces of kit. Either of these lens sets would be perfect for professional filmmakers using ...

and L-mount cameras. All the lenses in the range feature dual distance scales for accurate focusing. The SP3 lenses use industry-standard 0.8 MOD focus and iris mechanics which allows for fast and ...

Fujifilm XM5 Mirrorless Camera https://www.bhphotovideo.com ... Its super ED and ultra-precise aspherical lens elements, 11-blade iris, and fast, constant 2.8 aperture enhance the new video ...

A fluorine coating on the lens’ first surface prevents dirt sticking to the front elements while a dedicated Lens Control Ring, Iris Ring and ... and control over camera settings Weight 580g ...