With FlexView® dual field of view infrared lens you never have to change your lens in the field again—with the push of a button— you can instantly switch from wide views for scene context or tighter views for accurate temperature measurement.
The FLIR FlexView® Dual Field-of-View (DFOV) Infrared Lens (24°/14°, f = 17/29 mm) is a professional thermal-imaging accessory designed to give compatible FLIR cameras two viewing angles in a single lens. This allows users to quickly switch between a wide scene view and a narrower telephoto view without physically changing lenses.
This dual-FOV lens combines 24° wide-angle and 14° telephoto optics so inspectors can instantly move from scanning large areas to measuring small targets accurately. With a simple button press or software command, the camera toggles between the two fields of view, eliminating downtime and reducing the risk of contamination or damage caused by swapping lenses in the field.
Key Features
- Two Viewing Angles in One Lens: Provides both wide coverage (24°) for scene context and narrow focus (14°) for precise temperature measurement.
- Instant Switching: Users can switch FOV electronically without removing the lens, improving inspection speed and workflow efficiency.
- Improved Measurement Accuracy: The telephoto setting increases the number of pixels on the target, enabling more reliable thermal analysis from a safe distance.
- Reduced Equipment Handling: A single dual-purpose lens minimizes the need to carry multiple lenses, lowering the chance of dropping or contaminating optics.
- Balanced, Lightweight Design: Maintains stable camera handling during handheld inspections.
Specifications:
Imaging & Optical Data
Field of View (Wide): 24° × 18°
Field of View (Tele): 14° × 10.5°
Focal Length (Wide): 17 mm
Focal Length (Tele): 29 mm
F-number: f/1.3 (both 24° and 14° settings)
Spatial Resolution (IFOV): Depends on camera detector resolution
At 17 mm (24°):
320×240: 1.33 mrad/pixel
464×348: 0.92 mrad/pixel
640×480: 0.67 mrad/pixel
At 29 mm (14°):
320×240: 0.75 mrad/pixel
464×348: 0.52 mrad/pixel
640×480: 0.38 mrad/pixel
Optical Design: Dual-field-of-view infrared lens with internal switching mechanism
Switching Method: Electronic selection via compatible camera controls
Focus Mode: Controlled through host camera (auto or manual)
Mechanical & Physical Data
Lens Mount: FLIR quick-release bayonet
Dimensions: Approximately 65 × 65 × 85 mm
Weight: About 370 g (lens assembly)
Alternate product data sheet value: ~0.18 kg depending on configuration
Ingress Protection: IP54 when mounted on camera
Environmental Ratings
Operating Temperature: −20 °C to +50 °C
Storage Temperature: −40 °C to +70 °C
What's in the Box:
1 x Dual Field-of-View IR Lens (24°/14°, f=17/29 mm)
1 x Protective lens carrying case (included with the lens)
