Theia Technologies of Wilsonville, Ore., releases the SL940 precise iris (P-iris) megapixel telephoto lens, which provides more precise iris control for greater depth of field, heightened contrast and improved image sharpness and clarity, according to the company.
Offering 5-megapixel resolution and infrared (IR) correction, the lens, which is 50mm, features a focal range of 9 to 40mm providing 36° to 7° horizontal field of view with 4.5x optical zoom and 16x digital zoom capability.
