Atec Flir-T440-wifi - Manual (Page 9)

Optional Accessories
Technical data
P/N: 62101-0301
Field of view (FOV) 6° × 4.5° © 2013, FLIR Systems, Inc.
All rights reserved worldwide.
Minimum focus distance 4 m (13.11 ft.)
Focal length 76 mm (3.0 in.)
Spatial resolution (IFOV) Depends on the IR resolution of the camera:
0.66 mrad for 160 × 120 pixels
0.53 mrad for 200 × 150 pixels
0.44 mrad for 240 × 180 pixels
0.33 mrad for 320 × 240 pixels
F-number 1.3
Number of lenses 3 (3 asph)
MTF @ 70% of FOV Normal requirements (52%)
Distortion 3%
Weight Lens: 0.328 kg (0.723 lb.)
Support: 0.099 kg (0.218 lb.)
Size (L × D) 106 × 89 mm (4.17 × 3.48 in.), excluding support
Shipping information
• Lens
• Lens case
• Mounting support
v1.05
T197412; IR lens, 4 mm (90°) with case and
mounting support for T/B2xx-4xx
General description
A wide angle lens is used when working in confined areas or when a large object area needs to be covered. This lens is
also designed for to look in to electrical cabinets down to 1/2” windows
Technical data
Field of view (FOV) 90° × 73°
Minimum focus distance 40 mm (1.57 in.)
Focal length 4 mm (0.157 in.)
Spatial resolution (IFOV) Depends on the IR resolution of the camera:
12.5 mrad for 160 × 120 pixels
10.0 mrad for 200 × 150 pixels
8.33 mrad for 240 × 180 pixels
6.25 mrad for 320 × 240 pixels
F-number 1.3
Number of lenses 3 (3 asph)
MTF @ 70% of FOV Normal requirements (52%)
Distortion 5%
Weight Lens: 0.262 kg (0.578 lb.)
Support: 0.053 kg (0.117 lb.)
Size (L × D) 90 × 60 mm (3.54 × 2.36 in.), excluding support
Page 9 (of 47) http://www.flir.com
62101-0301_en_41.xml,
ver.
1.12