SLB-25.4-SET Lens Kit
Caution
Product Description
[Features]
· A lens kit ideal in all fields from teaching materials to research and development.
· A set of 4 types of commonly used individual lenses including plano-convex lenses (x 9), biconvex lenses (x 6), plano-concave lenses (x 6) and biconcave lenses (x 6), for a total of 27 lenses.
· The lens O.D. is unified at φ25.4 mm.
· The focal length is finely divided over a wide range of -200 to 1,000 mm.
· The dedicated case is a wooden box with handle, convenient for storage.
[Product Specifications]
· [ Common Specifications]
· Material: BK7
· Outer diameter: φ25.4 mm
· Design Wavelength: 546.1 nm
· Refractive Index: n e = 1.519
· Coating: Non-Coated
· Effective Diameter: 90% of External Diameter
· Scratch-Dig: 20-10
· Product number SLB-25.4-30P: Lens shape / Spherical plano-convex lens, focal length (f) / 30 mm, edge thickness (te) / 1.7 mm, central thickness (tc) / 8.3 mm, back focus (fb) / 24.5 mm
· Product number SLB-25.4-50P: Lens shape / spherical plano-convex lens, focal length (f) / 50 mm, edge thickness