Catalog: ACMA00027420
Surface Quality: better than 10/5 S/D
Clear Aperture: >90%
Catalog: ACMA00027421
Length: Max. 25mm
Surface Quality: 20/10 S/D
Density: 3.6 g/cm3
Melting Point: About 1000˚C
Catalog: ACMA00027723
Surface Quality: 10/5 S/D
Density: 5.033 g/cm3
Clear Aperture: central 90% of the diameter
Melting Point: 726°C