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Home » All Product » LWIR Lens » Manual Focus Lens » FL 50 F/1.0 LWIR Manual Focus Lens For 640x480-17um

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FL 50 F/1.0 LWIR Manual Focus Lens For 640x480-17um

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Availability:
  • RST70F1.0-640-17

  • Rising

Infrared Manual Focus Lens Features:

F/1.0 Ultra-Wide Aperture: The F/1.0 ultra-wide aperture allows more light to enter the lens, significantly enhancing imaging performance in low-light conditions. It ensures clear detection of objects even in nighttime or low-visibility environments.


High Precision Manual Focus: The manual focus feature allows users to fine-tune the focus to achieve high-precision clarity, making it perfect for applications requiring detailed observation


Long-Wa

ve Infrared Imaging: The LWIR technology enables the lens to effectively detect thermal differences from distant and various materials, making it adaptable to a range of challenging environmental conditions.

In the world of lenses designed for infrared cameras, surful glass stands out as the preferred choice due to its exceptional refractive index.


High-Quality Materials and Craftsmanship: Constructed with premium optical materials and precision-engineered for durability, this lens offers long-term reliability, even in harsh environments.


Wide Compatibility: This lens is compatible with various 640x480-17um resolution thermal imaging sensors, making it versatile for use in UAVs, security, firefighting, search and rescue, and other industries.

Unlike regular optical glass, it exclusively allows infrared light to pass through, making it perfect for capturing images in low-light situations.


LWIR Manual Focus Lens Advantages:

High Resolution Imaging: Capture more details with excellent thermal image resolution, improving accuracy in mission execution.


Low-Light Performance: The F/1.0 aperture ensures exceptional performance in low-light environments, ideal for night-time surveillance.


User-Friendly Operation: The manual focus allows easy adjustment to meet specific needs, improving work efficiency.


Infrared Manual Focus Lens Parameters:

Product Name Infrared Manual Focus Lens
Focal Length 50mm
F# 1.0
Wavelength 8-12um
Image Diagonal 13.6mm
Material Chalcogenide, Zinc Selenide(ZnSe), Zinc Sulfide(ZnS), Silicon(Si)
Detector 640x480-17um
Circular FOV (H)8.9°x(V)6.6°x(D)11°
Back Focus Distance 17.32mm
Back Working Distance 9.22mm
Back Focus Length 20.81mm
Dimensions φ90mm / 92.8mm
Focus Type Manual Focus
Focus Range 3m to infinity
Mount Type M34x0.75-6g
Weight 612g
Operating Temperature -40℃ to +80℃
Storage Temperature -40℃ to +80℃
External Coating DLC / AR Coating Available

Infrared Manual Focus Lens Drawing:

manual focus lens


Infrared Lens Processing Equipment:

ir lens


FAQ:

What Are DLC And AR Coating?

Diamond-like carbon (DLC) membrane is an amorphous carbon membrane. The membrane contains a certain number of sp3 bonds, giving it a series of excellent properties close to diamond. It has the advantages of low deposition temperature and large area deposition.


Among various hard membranes, DLC membrane can be positioned as a membrane material with high hardness and excellent wear resistance and low coefficient of friction.


AR (Anti-Reflection) membrane cannot change the absorption rate of the lens itself. It can only increase the transmittance by reducing the reflectance on both sides of the lens, which is the so-called "reflection and antireflection".


Light is an electromagnetic wave. By matching the refractive index and thickness of the AR membrane, the light produces multi-beam interference in the AR membrane-destructive interference on the upper surface and constructive interference on the lower surface.

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