| Brand | Crescent |
| Usage/Application | Interferometer and Optical Testing |
| Surface Flatness | Lambda/4 or Lambda/10 per 25mm @632nm |
| Thickness | 4mm - 10mm |
| Dimension Tolerance | -0.1mm |
| Surface Quality | 60/40 |
| Shape | Circular, Square |
| Wedge Angle | 10 - 30 arc minute |
| Material | BK7 |
| Size | 25mm - 50mm |
| Country of Origin | Made in India |

Price:
Price 5000 INR / Piece
Minimum Order Quantity : 1 , , Piece
Material : Opticalgrade polarizing film in anodized aluminum mount
Size : 25 mm diameter (standard), custom sizes available
Lens : No lens; contains polarizing film
Accuracy : High polarization accuracy for optical applications
Price 9500 INR / Piece
Minimum Order Quantity : 1 Piece
Material : Optical glass with interference coating, anodized aluminum mount
Size : Standard diameters: 12.5 mm, 25 mm, 50 mm (custom sizes available)
Lens : Optical glass substrate
Accuracy : High spectral precision
Price 1500 INR / Piece
Minimum Order Quantity : 5 Pieces
Material : Glass
Size : 25mm, 50mm
Lens : Achromatic
Accuracy : 100 %
Price 1500.00 INR / Piece
Minimum Order Quantity : 5 Pieces
Material : BK7
Size : 7mm 100mm
Lens : Planoconcave, Biconcave, Plano Convex, Biconvex