KPA-308 K9 Plano concave lens, Optical lens, Flat concave lens, dia:25.4mm, f:-150.0mm
Product Description
KPA-308 K9 Plano concave lens, Optical lens, Flat concave lens, dia:25.4mm, f:-150.0mm
- Structure:Plano-concave
- Usage:Optical
- Model Number:KPA-308
- Shape:Plano
- Focal Length:-150.0mm
Lenses are coated products, please confirm the product's parameters before buying. If there is no product quality issues, the sale is not refundable, please understand~
Material： K9
Diameter： 25.4mm
Deviation of Diameter： +0.0/-0.20
Aperture： >90%
Focal length(f')： -150.0mm
Deviation of focal length(Df)： ±2%
Back focal length(fb)： -152.0
Thickness of center(Tc)： 3.0
Deviation of Thickness of center(DTc)： ±0.1
Thickness of edge(Te)： 4.1
Deviation of center： 3'
Diaphragm： 1~5
Local diaphragm： 0.2~0.5
Clearing： IV stand
Coating： MgF2  antireflection  film
Weight： 4.0
Technical Specifications
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