Tessar lens

Tessar lens

[′te‚sär ‚lenz]
(optics)
An anastigmatic lens made up of a negative lens at the aperture stop with two positive lenses, one in front and the other in back; the last positive lens is a cemented doublet.
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It uses a wide angle Zeiss Tessar lens, and can shoot in 4K.
Both the FDRA[degrees]X1000VR and HDRA[degrees] AS200VR models feature a huge 170A field of view, with an ultraA[degrees]wide angle ZEISS Tessar lens giving a panoramic perspective as the action unfolds.
HANDYCAM (Full HD Video, 13 Im built-in projector with external input, Carl Zeiss Tessar Lens with 29.8mm Wide Angle , Steady Shot E- active, 54x Clear Image Zoom, 50p/60p Recording, RECORDING SYS & ANALYSER (Desktop System with Intel Core i3, RAM 2GB, DDR-3, HDD 500GB,SATA DVD, Monitor 19.5" LED, OS Windows 8.1, LASER PRINTER (1200 x1200 dpi, 18 ppm, USB 2.0 support, Internal Memory 2MB, UPS 1 KVA (AVR 135V 300V, Auto voltage regulator, short circuit protection)
In addition, innovative 3-Way Shake-Cancelling adds electronic roll stability for even smoother video capture.An ultra-wide angle Carl Zeiss Tessar lens captures all the action in a 170-degree wide field of view with pin-sharp clarity whether on the desert slopes or skydiving.No other mountable camera combines such advanced image stabilisation and optics with a rugged exterior and convenient Wi-Fi connectivity.
It offers a 3.2" touchscreen and a pop-up display revealing a full QWERTY keyboard, as well as a 5 megapixel camera with Carl Zeiss Tessar lens and dual LED flash and 8GB of on-board memory that is expandable up to 24GB with the addition of a 16GB microSD card.
This includes a wide-angle Carl Zeiss Tessar lens for panoramic pictures, shorter latencies and variable aperture for super sharp photos in challenging bright and low light conditions.
The new AS20 camera also features a high-quality ZEISS Tessar lens with a huge 170A field of view for the ultimate wide angle experience.
This device comes along with a Carl Zeiss Tessar lens and a dual LED flash, as well as auto focus with a two-phase capture key, for images in a vast variety of situations.