FL 75mm F1.3 LWIR Thermal Sight Lens For 640x512-17um

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Focal Length 75mm F1.3 Infrared Aiming Lens Thermal Sight Lens For 640x512-17um Detector

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Model:
RS75F1.3-640-17
Brand:
Rising

Product Description

Overview of Infrared Lens Technology:

In addition to their high resolution and small size, infrared lenses used in everyday situations must also be affordable and adaptable to different temperatures.

Currently, the majority of infrared lenses on the market utilize a complex optical structure with at least three elements to achieve temperature stability. However, the limited availability of materials like single crystal germanium and zinc selenide has led to expensive and bulky lenses.

Thermal Sight Lens Parameters:

Product Name	Thermal Sight Lens
Focal Length	75mm
F#	1.3
Image Diagonal	13.93mm
Detector	640x512-17um
Average Transmission	＞90%
Circular FOV	(H)8.2°x(V)6.2°x(D)10.3°
Back Focus Distance	18mm
Back Working Distance	8.5mm
Back Focus Length	21.5mm
Dimensions	68mm / 83.59mm
Focus Type	Manual Focus
Focus Range	1m to infinity
Mount Type	M45x1-6g
Weight	423g
Operating Temperature	-40℃ to +80℃
Storage Temperature	-40℃ to +80℃
External Coating	DLC / AR Coating Available

ir lens

FAQ:

Q1: Can items be printed with our own logo?

A: Yes, you only need to send us the source file of the logo.

Q2: Do you provide samples? Is it free or extra?

A: We will charge as little sample fee as possible, and sometimes we may even provide samples for free. However, you must pay us the courier fee by the following courier methods: DHL, TNT, UPS and FEDEX.

Q3: What if the item is broken?

A: Except for human error, we will replace the defect in a completely new way Within 7 days after you get our products