Lenses - Siemens CRT Brochure

The front of any CCTV system is a lens, often
overlooked but a very important part of any
system...
Provide the right view in a variety of security surveillance situations with these
professional lenses that are easy to adjust. Focal-length and focus adjustments have
screw-locks to ensure views remain as initially set.
Manual iris CS-mount lenses for use in applications with stable illumination levels.
Also ideal for use with modern 1/3" CCD cameras featuring automatic electronic
shuttering (AES).
Auto-iris CS-mount lenses direct drive (DC-type) suitable for use with modern
cameras featuring internal auto-iris drive circuits. Particularly suitable for use with
cameras surveying outdoor scenes or in situations where widely varying illumina-
tion levels are likely to occur.
Zoom lenses feature accurate multi-turn potentiometers; for use in conjunction
with pan/tilt heads and controllers that support "preset" automatic positioning
Varifocal models include aspherical lenses, offering a compact size
Specific range of varifocal lenses for use with day-night cameras

Lenses