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FL 25mm F1.1 Infrared Aiming Lens For 640x512-17um

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Focal Length 25mm F1.1 Infrared Aiming Lens Thermal Sight Lens For 640x512-17um Detector.
Availability:
  • RS25F1.1-640-17

  • Rising

Thermal Sight Lens Description:

Focal Length 25mm F1.1 Infrared Aiming Lens Thermal Sight Lens For 640x512-17um Detector.

8-12um Long Wave Germanium Lens Apply to Infrared Sights Scope, Thermal Imager, Thermal Sight Scope, Camera Monitor, Infrared Camera, Drone Monitor.


What Determines the Quality of a Lens:

1. Number of Lenses Used: Combining different types of lenses can improve focus and color accuracy, but it may also reduce the amount of light that passes through.

2. Light Transmittance: High-quality lenses with excellent light transmittance tend to be more expensive, while lower quality lenses may block light from passing through.

3. Coating and Grinding: The quality of the lens is also affected by the technology used for coating and grinding.

4. Mechanical Precision: The internal mechanical structure of a lens impacts its accuracy and reliability. A poor quality mechanical structure can cause errors and inconsistencies in adjustments.


Thermal Sight Lens Parameters:

Product Name Infrared Aiming Lens
Focal Length 25mm
F# 1.1
Image Diagonal 13.93mm
Detector 640x512-17um
Average Transmission >94%
Circular FOV (H)24.5°x(V)18.5°x(D)30.4°
Back Focus Distance 18mm
Back Working Distance 8.5mm
Back Focus Length 20mm
Dimensions 50mm / 31.1mm
Focus Type Manual Focus
Focus Range 1m to infinity
Mount Type
M45x1-6g
Weight 110g
Operating Temperature -40℃ to +80℃
Storage Temperature -40℃ to +80℃
External Coating AR Coating Available

thermal sight lens

Infrared Lens Processing Equipment:

ir lens

1. Inner carving test platform;

2. Microscope;

3. Opto Tech aspheric processing;

4. Polishing machine;

5. Thickness Gauge;

6. Ultrasonic Cleaner;

7. Workshop;

8. Interferometer;

9. High and low tempera ture test chamber;

10. High polishing machine;

11. Optical bench;

12. Raul milling;

13. Atomic force microscope;

14. Centralinstrument;

15. Hand Grinding and Polishing Machine;


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