28mm plano-concave lens

Features & Specifications:

• Diameter: 28mm

• Type: Plano-Concave (PCV) Lens

• Material: BK7, Fused Silica (optional)

• Coating: AR (Anti-Reflection) or customized

• Focal Length: Typically -50mm to -200mm (depends on design)

• Surface Quality: 40/20 scratch-dig

• Clear Aperture: ≥90%

Key Features:

• Diverges light beams with minimal distortion

• Reduces beam intensity for laser applications

• High optical precision with low aberration

• Durable, temperature stable

Applications:

• Laser beam expansion and shaping

• Optical testing and measurement systems

• Imaging and collimation setups

• Scientific research and industrial optics