Analyzer, Testing Equipment
61-6949-66 φ25.4 (BK7) Lens Kit SLB-25.4-SET
Product Description
Product Model: 61-6949-66Product Brand: SIGMAKOKI CO., […]
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Product Details
Product Model: 61-6949-66
Product Brand: SIGMAKOKI CO., LTD.
Features
- This lens kit is ideal for everything from teaching materials to research and development.
- 27 single lenses of 4 types, 9 types of plano-convex and 6 types of biconvex, plano-concave and biconcave, are combined in a special case.
- The outside diameter of the lens is φ25.4 mm.
- The focal length is finely divided over a wide range of −200~1,000 mm.
- The special case is made of a wooden box with a handle for convenient storage.
Spec
-
[
common specification]
- Material: BK7
- Outer diameter: φ25.4mm
- Design wavelength: 546.1nm
- Refractive index: n e＝1.519
- Coating: No coat
- Effective diameter: 90% of the outer diameter
- Scratch - dig: 20-10
- Product number SLB-25.4-30P: Lens shape/spherical surface flat convex lens, Focus distance (f)/30mm, Edge thickness (te)/1.7mm center thickness (tc)/8.3mm back focus (fb)/24.5mm
- Product number SLB-25.4-50P: Lens shape/spherical surface flat convex lens, Focus distance (f)/50mm, Edge thickness (te)/1.9mm center thickness (tc)/5.2mm back focus (fb)/46.6mm
- Product number SLB-25.4-70P: Lens shape/spherical surface flat convex lens, Focus distance (f)/70mm, Edge thickness (te)/1.9mm center thickness (tc)/4.2mm back focus (fb)/67.2mm
- Product number SLB-25.4-100P: Lens shape/spherical surface flat convex lens, Focus distance (f)/100mm, Edge thickness (te)/1.9mm center thickness (tc)/3.5mm back focus (fb)/97.7mm
- Product number SLB-25.4-150P: Lens shape/spherical surface flat convex lens, Focus distance (f)/150mm, Edge thickness (te)/2mm center thickness (tc)/3mm back focus (fb)/148mm
- Product number SLB-25.4-200P: Lens shape/spherical surface flat convex lens, Focus distance (f)/200mm, Edge thickness (te)/2mm center thickness (tc)/2.8mm back focus (fb)/198.2mm
- Product number SLB-25.4-300P: Lens shape/spherical surface flat convex lens, Focus distance (f)/300mm, Edge thickness (te)/2mm center thickness (tc)/2.5mm back focus (fb)/298.4mm
- Product number SLB-25.4-500P: Lens shape/spherical surface flat convex lens, Focus distance (f)/500mm, Edge thickness (te)/2mm center thickness (tc)/2.3mm back focus (fb)/498.4mm
- Product number SLB-25.4-1000P: Lens shape/spherical surface flat convex lens, Focus distance (f)/1000mm, Edge thickness (te)/2mm center thickness (tc)/2.2mm back focus (fb)/998.5mm
- Product number SLB-25.4B-25P: Lens shape/spherical surface biconvex lens, Focus distance (f)/26.5mm, Edge thickness (te)/1.8mm center thickness (tc)/8.4mm back focus (fb)/23.6mm
- Product number SLB-25.4B-50P: Lens shape/spherical surface biconvex lens, Focus distance (f)/50.8mm, Edge thickness (te)/1.9mm center thickness (tc)/5.1mm back focus (fb)/49.2mm
- Product number SLB-25.4B-70P: Lens shape/spherical surface biconvex lens, Focus distance (f)/70.7mm, Edge thickness (te)/1.9mm center thickness (tc)/4.1mm back focus (fb)/69.3mm
- Product number SLB-25.4B-100P: Lens shape/spherical surface biconvex lens, Focus distance (f)/100.6mm, Edge thickness (te)/1.9mm center thickness (tc)/3.5mm back focus (fb)/99.4mm
- Product number SLB-25.4B-150P: Lens shape/spherical surface biconvex lens, Focus distance (f)/150.5mm, Edge thickness (te)/2mm center thickness (tc)/3mm back focus (fb)/149.5mm
- Product number SLB-25.4B-200P: Lens shape/spherical surface biconvex lens, Focus distance (f)/200.5mm, Edge thickness (te)/2mm center thickness (tc)/2.8mm back focus (fb)/199.6mm
- Product number SLB-25.4-30N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-30mm, Edge thickness (te)/8.6mm center thickness (tc)/2mm back focus (fb)/-31.3mm
- Product number SLB-25.4-50N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-50mm, Edge thickness (te)/5.3mm center thickness (tc)/2mm back focus (fb)/-51.3mm
- Product number SLB-25.4-70N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-70mm, Edge thickness (te)/4.3mm center thickness (tc)/2mm back focus (fb)/-71.3mm
- Product number SLB-25.4-100N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-100mm, Edge thickness (te)/3.6mm center thickness (tc)/2mm back focus (fb)/-101.3mm
- Product number SLB-25.4-150N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-150mm, Edge thickness (te)/3mm center thickness (tc)/2mm back focus (fb)/-151.3mm
- Product number SLB-25.4-200N: Lens shape/spherical surface flat concave lens, Focus distance (f)/-200mm, Edge thickness (te)/2.8mm center thickness (tc)/2mm back focus (fb)/-201.3mm
- Product number SLB-25.4B-25N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-24.7mm, Edge thickness (te)/8.6mm center thickness (tc)/2mm back focus (fb)/-25.4mm
- Product number SLB-25.4B-50N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-49.7mm, Edge thickness (te)/5.2mm center thickness (tc)/2mm back focus (fb)/-50.4mm
- Product number SLB-25.4B-70N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-69.7mm, Edge thickness (te)/4.2mm center thickness (tc)/2mm back focus (fb)/-70.4mm
- Product number SLB-25.4B-100N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-99.7mm, Edge thickness (te)/3.6mm center thickness (tc)/2mm back focus (fb)/-100.4mm
- Product number SLB-25.4B-150N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-149.7mm, Edge thickness (te)/3mm center thickness (tc)/2mm back focus (fb)/-150.4mm
- Product number SLB-25.4B-200N: Lens shape/spherical surface biconcave lens, Focus distance (f)/-199.7mm, Edge thickness (te)/2.8mm center thickness (tc)/2mm back focus (fb)/-200.4mm
- [Individual specification]
- Product name: φ25.4 (BK7) lens lit
- RoHS conform product
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