10-5 Scratch / Dig Meniscus Lenses
from Foctek Photonics, Inc.
FOCtek provides five kinds of spheric lens forms, or shapes, that determine the imaging Characteristics. of the lenses, they are plano-convex, plano-concave, Double-convex, Double-concave and Meniscus. Plano-convex lens has a positive focal length, which makes it ideal for collecting and focusing... [See More]
- Surface Quality: 10-5 Scratch / Dig; 60-40 Scratch / Dig
- Surface Flatness: λ/4; <1.5?
- Materials: BK7 Glass; Calcium Fluoride; Sapphire; H-K9, Fused Silica, N-SF10, Silicon
- Lens Features: Antireflection Coating (optional feature)