Spec Sheet

IR-Corrected Varifocal Lenses
LTC 3364/21 Varifocal
Lens IR corrected
--- MISSING LINK --- LTC 3664/40 Varifocal
Lens IR corrected
LTC 3674/20 Varifocal
Lens IR corrected
Image format 1/3 inch 1/3 inch 1/3 inch 1/3 inch
Zoom Range 2.1x Varifocal 2.7x Varifocal 3.9x Varifocal 6.7x Varifocal
Focal length 2.8-6 mm 3-8 mm 2.8-11 mm 7.5-50 mm
Iris range Color F1.4 to 300 F1.0 to 360 F1.4 to 360 F1.3 to 360
Iris range IR F1.4 to 300 F1.0 to 360 F1.4 to 64 F1.3 to 64
Wavelength 400 to 950 nm 400 to 950 nm 400 to 950 nm 400 to 950 nm
Min. Object
Distance
0.30 m
(1.0 ft)
0.30 m
(1.0 ft)
0.35 m
(1.1 ft)
0.40 m
(1.3 ft)
Back focus
Distance
7.5 mm
(0.30 in)
7.5 mm
(0.30 in)
8.6 mm
(0.34 in)
8.1 mm
(0.32 in)
Lens mount CS-mount CS-mount CS-mount CS-mount
Flange back distance 12.5mm 12.5mm 12.5mm 12.5mm
Weight 59 g (0.13 lb) 60 g (0.13 lb) 79 g (0.17 lb) 68 g (0.15 lb)
Angle of view
1/3 in. wide (HxV) 96.9° x 72.5° 93.2° x 69° 97.4° x 72.4° 36.6° x 27.4°
1/3 in. tele (HxV) 46.7° x 35.1° 35.2° x 26.4° 26.2° x 19.7° 5.64° x 4.26
½ in. wide (HxV) - - - -
½ in. tele (HxV) - - - -
Pre-Position - - - -
Iris Specs.
Iris Control DC-iris DC-iris DC-iris DC-iris
Op. Voltage - - - -
Response Speed - - - -
Op. Current - - - -
Input Signal - - - -
Impedance - - - -
Iris Accuracy - - - -
Sensitivity
Autoiris Override - - - -
Zoom Specs.
Zoom control Manual Manual Manual Manual
Zoom Speed - - - -
Op. Voltage - - - -
4 | IR-Corrected Zoom and Varifocal Lenses