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High Resolution Lens Series
High Resolution IR Vari-Focal Lens DC Auto Iris
f=2.8-11mm (Model: 13VG2811ASIR)
TAMRON
Providing Exceptional Image Quality In The Visible And Near Infrared Spectrums
Near Infrared radiation differently from visible light, causing blurring in video footage captured in the near infrared sprectrum. The Tamron High Resolution IR Lens Series utilizes cutting-edge optical design technology and advanced low dispersion glass to converge the focal points of visible light and near infrared radiation, providing exceptionally sharp image quality 24-hours a day.
Quick Focus Comparison Between Tamron IR Lenses And Conventional Lenses
650 TV Line Resolution
Tamron's High Resolution IR Vari-Focal lenses incorporate Aspherical elements and LD(Low-Dispersion) glass to provide a resolution of 650 TV lines. The resolution at the image corners has been improved by more than 50% over corventional models to provide superb image quality over the entire image field.
IR Corrrection Feature
The focal point of the near infrared spectrum is corrected to match that of visible light to provide exceptional image quality over the entire range of wavelengths from visible light to near infrared.
Fast Apertureof F/1.0
The fast aperture of F/1.0 enhances the overall sensitivity of Day & Night cameras,allowing operation in color mode under dimmer lighting conditions than with conventional F/1.2 and F/1.4 lenses.

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End of production and sales
SPECIFICATIONS
Model No. 13VG2811ASIR
Imager Size 1/3″
Focal Length 2.8–11mm
Mount CS-Mount
Aperture Range F1.4–360
Focusing Range 0.3m–∞
Angle of
View
(H × V)
1/3″ WIDE 97.4°×72.4°
TELE 26.2°×19.7°
1/4″ WIDE 72.4°×54.0°
TELE 19.7°×14.7°
Operation Focus Manual with Lock
Zoom Manual with Lock
Iris DC Auto Iris
Operating Voltage Open 4.0V/Close 0.5V
Back Focus(in Air) Wide 8.66–Tele 18.69mm
Wave Size Visible Light–Infrared Light
Weight 79g
Operating Temperature –20℃–+60℃


Wiring Diagram
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Light Guides(Fiber Optic)
TAMRON VariFocal Lenses
NIR·3Megapixel VariFocal Lens
M13VM288IR  1/3″·f=2.8-8mm·F1.2
M118VM413IR  1/1.8″·f=4-13mm·F1.5
NIR·3 Megapixel VariFocal Lens(DC)
M13VG288IR  1/3″·f=2.8-8mm·F1.2·DC
M13VG2812IR  1/3″·f=2.8-12mm·F1.4·DC
M118VG413IR  1/3″·f=4-13mm·F1.5·DC
M13VG555IR  1/3″·f=5-50mm·F1.6·DC
M13VG850IR  1/3″·f=8-50mm·F1.6·DC
M118VG1250IR  1/1.8″·f=12-50mm·F1.4·DC
NIR·3Megapixel VariFocal Lens(P)
M13VP288IR  1/3″·f=2.8-8mm·F1.2·P
M118VP413IR  1/1.8″·f=4-13mm·F1.5·P
M13VP850IR  1/3″·f=8-50mm·F1.6·P
M118VP1250IR  1/1.8″·f=12-50mm·F1.4·P
Megapixel VariFocal Lens
M13VM550  1/3″·f=5-50mm·F1.4
M12VM412  1/2″·f=4-12mm·F1.4
Megapixel VariFocal Lens(DC)
M13VG550  1/3″·f=5-50mm·F1.4·DC
M12VG412  1/2″·f=4-12mm·F1.4·DC
M117VG3817IR  1/1.7″·NIR·4K/8MP·F1.4·DC
NIR·High Resolution VariFocal Lens
13VM308ASIRII  1/3″·f=3-8mm·F1.0
13VM1040ASIR  1/3″·f=10-40mm·F1.4
12VM412ASIR  1/2″·f=4-12mm·F1.2
12VM1040ASIR  1/2″·f=10-40mm·F1.4
NIR·High Resolution VariFocal Lens(DC)
13VG2811ASIR  1/3″·f=2.8-11mm
13VG308ASIRII  1/3″·f=3-8mm
13VG1040ASIR  1/3″·f=10-40mm
12VG412ASIR  1/2″·f=4-12mm
12VG1040ASIR  1/2″·f=10-40mm
High Resolution VariFocal Lens
13VM308AS  1/3″·f=3-8mm·F1.0·DC
13VM550ASII  1/3″·f=5-50mm·F1.4·DC
13VM20100AS  1/3″·f=20-100mm·F1.6·DC
High Resolution VariFocal Lens(DC)
13VG2812ASII  1/3″·f=2.8-12mm·F1.4·DC
13VG308AS  1/3″·f=3-8mm·F1.0·DC
13VG550ASII  1/3″·f=5-50mm·F1.4·DC
13VG20100AS  1/3″·f=20-100mm·F1.6·DC

TAMRON Fixed-Focal Lenses