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The Tamron C-Mount 4 to 12mm Varifocal Manual Iris Lens is a varifocal lens which features a 4 to 12mm adjustable focal length. Compatible with cameras using a 1/2" imager size and C-mount, the lens is designed to deliver high-quality imagery. With an aperture range of f/1.4 to close, the lens allows for clear images even in low light conditions. The lens surface is multi-coated for lessening ghosting and flare in backlit conditions and eliminates constructional problems such as lopsided blur and focal point image degradation. The integrated slip-mount mechanism allows you to fine-tune the position after mounting the camera to set the auto-iris meter to a proper position around the lens. With the lock for each control ring (zoom and focus), you can avoid setting displacement after installation.
Suitable for cameras having an imager size of 1/2"
Manual zoom & focus with lock
1.0' / 0.3m focus range
Multi-coating for less ghosting and flare in backlit conditions
Eliminates constructional problems such as lopsided blur and focal point image degradation
Slip-mount mechanism for fine-tuning the position after mounting the camera to set the auto-iris meter to a proper position around the lens
Lock for each control ring (zoom and focus) to avoid setting displacement after installation
Appropriate for security applications where high resolution and/or short-to-medium long-range focal points are required
Environmentally-friendly design - does not use substances that impact the environment in optical glass materials, sealing, and packaging
In the Box
Tamron C-Mount 4 to 12mm Varifocal Manual Iris Lens
Limited 6-Year Warranty
Table of Contents
4 to 12mm
1.4 to close
Angle of View
Imager Size 6.8 x 5.1mm 1/2" Wide: 100.5 x 73.4° 1/2" Tele: 33.4 x 25.1°
Imager Size 6.4 x 4.8mm
1/2" Wide: 93.9 x 68.8° 1/2" Tele: 31.4° x 23.6°
1.0' / 0.3 m to ∞
Focus: Manual with Lock Zoom: Manual with Lock Iris: Manual with lock