Side Focus Lens Optical Raytek

• After-sales Service: One Year
• Warranty: One Year
• Usage: Lighting, Medical, Optical, Photography
• Type: Convex Lens
• Transmittance: >95%
• Shape: Single-lens
• Model NO.: WT235IICB/1.0 WT250IICB/1.0
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE
• Customized: Non-Customized
• Coating: HMC
• Principle: Infrared Ray
• Lens Control: Manual Control
• Transport Package: Carton
• Specification: 100-200g
• Trademark: raytek
• Origin: China

Product Description

The function of the side focusing scope is the same as that of the objective focusing scope, but the difference is in the structure. The side focusing scope changes the imaging focus of the objective lens through a concave lens inside the mirror body, and makes the dividing plate coincide with the imaging focus of the eyepiece group to eliminate parallax. Correct trajectory. The structure of the side focus is complex and the price is high. However, the accuracy and reliability are much higher than the conventional objective lens focusing. The objective focusing scope is now being gradually replaced

Optical performance	Parameter	Comments
Focal Length	35mm
F/#	1.0
Transmission	90%	8-12μm, average
Waveband	8-14μm
Mechanical performance	Parameter
Lens Control	Manual control	Upon Request
Focus Range	6m-∞
Interface Means	Flange nipple	Upon Request
BWD	10mm	Back Working Distance
Distance at the back	10mm
Dimensions	Φ51mm, L45mm
Weight	140g
Sealing	IP67(front)	Front lens
Lens front film layer	DLC
Applied environments	Parameter
Working Temperature	-40ºC ~ +60ºC
Storage Temperature	-45ºC ~ +65ºC
Dectector and FOV	Parameter
FOV	Detector 640*512 - 12μm, FOV 12.5° * 10°

Optical performance	Parameter	Comments
Focal Length	50mm
F/#	1.0
Transmission	90%	8-12μm, average
Waveband	8-14μm
Mechanical performance	Parameter
Lens Control	Manual control	Upon Request
Focus Range	6m-∞
Interface Means	Flange nipple	Upon Request
BWD	10mm	Back Working Distance
Distance at the back	10mm
Dimensions	Φ60mm, L57mm
Weight	193g
Sealing	IP67(front)	Front lens
Lens front film layer	DLC
Applied environments	Parameter
Working Temperature	-40ºC ~ +60ºC
Storage Temperature	-45ºC ~ +65ºC
Dectector and FOV	Parameter
FOV	Detector 640*512 - 12μm, FOV 9° * 6.7°