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

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

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 ...

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 ...