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Need 100% Cold Stop Efficiency?
Need 100% Cold Stop Efficiency?
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Clear Sight, When It Matters Most
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Search, Targeting, Zoom for Detail
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Clarity in Machine Vision
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We Offer Diamond Turning
We Manufacture for the Best
We Manufacture for the Best
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Custom Optics for Specific Tasks
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IR for the Most Critical Applications
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Aerial Targeting
Humvee and man at 50 mm
Humvee and man at 50 mm

Belenus Athermalized LWIR 7.33mm EFL

Athermalized LWIR f/1.46The Belenus LWIR lens offers a fixed focal length of 7.34mm.  Athermalized to withstand widely ranging temperature variations without losing focus.  At .83 lb (349g) and only 2.17 x 2.5′, the Belenus is a tiny workhorse. 

 

f/1.46

In stock matched to the FLIR 640

Custom mounts available to spec

 

Manufactured in the US by Computer Optics, Inc.  Available now, only at IRZoom.com


Lens specifications
Lens Type:&nbspStepped-zoom
Spectrum:&nbspLWIR
Zoom Control:&nbspFixed Focal Length
Focal Length (min):&nbsp7.6mm
Aperture Control:&nbspFixed
Aperture (open):&nbspf/1.46
Image Diagonal:&nbsp20mm

Mechanical properties
Mass:&nbsp.83 lb (349g)
Mount:&nbspM34 x 0.5 4g6g Thread (Matched to FLIR 640 Camera) or to Spec
Temperature:&nbsp+10F to +80F (-12.2C to +26.7C)
Length:&nbsp2.17in (5.5cm)
Width:&nbsp2.5in (6.35cm)
Height:&nbsp2.5in (6.35cm)

IRZoom Part Number
Part Number:&nbspBEL-4909-LWIR-F-1-7

Attachment
File:&nbspIRZoomcom-LWIR-Atherm-7.33EFL-Belenus.pdf   Size:&nbsp319471 bytes

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Need 100% Cold Stop Efficiency?

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Precision Manufacturing

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We Offer Diamond Turning

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We Manufacture for the Best

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Custom Optics for Specific Tasks

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IR for the Most Critical Applications

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Aerial Targeting

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Military Advantage

Humvee and man at 50 mm

Humvee and man at 50 mm

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