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3-6938-01 Biconcave Lens Φ5mm Focus Distance: -5mm Back Focus: -5.34mm TS-0345Q
model:
3-6938-01
category:
frame
Product Description
Product Model: 3-6938-01 Features This optical lens hav […]
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Product Details
Product Model: 3-6938-01
Features
- This optical lens having negative focal length is mainly ***d for minification of image and light diverging.
- This is also ***d for ext***ing focal length in the optimal system.
- This product is mainly ***d as projector lens.
- Made of quart, this product offers high transmittance in all regions from ultraviolet region to infra red ray wavelength region（approx. 900n*m*）.
- Its low thermal expansion coefficient ensures excellent heat resistance.
Spec
- Outer diameter (φmm): 5
- Focus distance (mm): -5
- Bag focus (mm): -5.34
- Medium thickness (mm): 1
- Koba meat (mm): 2.29
- Material: Synthetic quartz
- Design wavelength: 587.6nm
- Refractive index: 1.45850/nd
- Chamfer (45°): 0.1mm
- Tolerance range
- Outer diameter: φ+0/-0.1mm
- Center thickness: ±0.2mm
- Focal length: ±2％
- Surface quality: MIL60-40
- Eccentricity: within 3 minutes (3')
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