frame
4-1826-01 Aspherical lens 3.7 mm 3.5C5
Product Description
Product Model: 4-1826-01Product Brand: REX Features Thi […]
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Product Details
Product Model: 4-1826-01
Product Brand: REX
Features
- This is a special lens that provides extremely short focal length. Very little spherical aberration occurs when the lens is ***d at full aperture.
Spec
- focal length f (mm): 3.7
- Diameter Φ (mm): 5
- Center Thickness tc (mm): 2
- Back focus fb (mm): 2.4
- Back Face Shape: Planar
- Paraxial focal length (f) tolerance: ± 7%
- Center Thickness (tc) Tolerance: ± 7% (± 0.5 mm max)
- Manufacturing method: casting method (mold lens)
- Scratch & Dig: 80 -50
- Maximum operating temperature: 177 ° C
- Diameter Tolerance: ± 0.5 mm
- Effective Diameter: 80% (Center)
- Design wavelength: 546.1 nm
- material: Optical crown glass
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