The SupIR 21-420mm f/4.0 is based on the legacy of the SupIR 15-300mm f/4.0 with its proven track-record of thousands of units operating in the field and its ruggedized design. This motorized focus MWIR imaging zoom lens has a 21 to 420 mm focal length with an f-number of 4.0. This continuous zoom lens is designed for 1280x1024 SXGA format cooled MWIR cameras and provides superior DRI ranges, ideal for long range observations and surveillance systems..
Advanced technologies for the highest performance mid-wave focal planes
High-durability and low reflection hard-carbon 3.4-5 µm MWIR wavelength AR coatings
Passive athermalization with the highest imaging performance from -32 to +80°C
Optimized for 1280x1024 SXGA cooled MWIR cameras with 10 μm pixel pitch
Focus and f# maintained for crisp image through the entire zoom range
Designed for long range observation systems with vehicle detection exceeding 16.5 km
Additional drawings are not available for this product.
WFOV (21 mm)
Format
Pitch
640x512
15 µm
25.1°
10 µm
-
WFOV (33 mm)
Format
Pitch
1280x1024
10 µm
20.0°
NFOV (420 mm)
Format
Pitch
640x512
1280x1024
15 µm
1.3°
10 µm
-
1.7°
Specifications
Type
Continuous Zoom
Focal Length
21 to 420 mm
F/#
4.0
Cold Stop Clear Aperture
Ø4.85 mm
Back Focal Length
≥ 23.3mm in air (Assuming 1.5 mm Ge Window & Filter)
Minimum Focus Range
10 m Wide, 100 m Narrow
Nuc (by defocus)
Yes
Focus Mechanism
Motorized
Focus Time
≤1 s
Zoom Mechanism
Motorized
Zoom Time
≤8 s at -32°C ≤5 s at T ≥20°C
Through-zoom Boresight
Within a radius of 0.25 mm at the focal plane along the full zoom range
Weight
1600 g
Dimensions
Ø132x200.5mm
Drive Voltage
12 V
Current Consumption
0.5 A average, 1.0 A peak at -32°C 0.2 A average, 1.0 A peak at ≥20°C
Communication Interface
RS422
Operating Temperature Range
-32°C to +80°C
Storage Temperature Range
-54°C to +85°C
Sealing
IP 67 front element only
HD Format
Yes
Wavelength Region
MWIR
Features
SupIR 21-420mm f/4.0 Detection, Recognition & Identification (DRI) Range
DRI ranges enable one to easily estimate the maximum range that an object can be either detected, recognized or identified. It is important to note that these estimates are based solely on geometrical parameters – the target size, distance, lens focal length and camera detector pixel size. Signal level, detector sensitivity, atmospheric conditions and other factors are not considered!
The calculations used here are based on the “Johnson Criteria”. According to the Johnson Criteria, the minimum resolution, pixels on target, required to achieve a 50% probability for an observer to discriminate an object are:
Detection: An object is present – 2 pixels on target (Lower Bar)
Recognition: discern the type of object, a human vs. a vehicle – 8 pixels on target (Middle Bar)
Identification: discern specific objects, a man vs. a woman, a car model – 12.8 pixels on target (Upper Bar)
Your Long Range Distance Needs Met
High-durability and Hard-carbon AR Coatings
Our highly abrasion-resistant, anti-reflective advanced optical coatings include several types of Hard Carbon coatings which provide maximum durability, energy transmission & minimal reflection. Our innovative coating technologies include:
Physical Vapor Deposition (PVD) – Thermal heating and electron gun
Ion Assisted Deposition (IAD) – Ion gun
Plasma Enhanced Chemical Vapor Deposition (PECVD) for DLC coatings
Passive Athermalized Lens Assembly
Our IR imaging lens assemblies incorporate passive athermalization of the lenses and opto-mechanical system to maintain the highest imaging performance over the full operating temperature range. We use advanced materials that enable unique athermalization properties and optomechanical designs that effectively compensate for optical variations over a wide temperature range.
Using advanced technologies, top-quality materials and unique coating techniques, together with innovative engineering and opto-mechanical designs, we have earned a reputation for excellent performance, durability and quality.
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