Equilateral prisms are normally used as dispersing prisms. As well as standard BK7 prisms, higher index. SF2 and F2 prisms are offered to increase the dispersive power.
|Equilateral Prism||Equilateral prisms are normally used as dispersing prisms||BK7|
|Dimension||+/-0.2 (General), +0/-0.05 (High Precision)|
|Surface Flatness||< lambda / 8 @ 633 nm|
|Surface Quality||<20 / 10 (for BK7A) <40 / 20 (for SF10 & F2)|
|Diameter Tolerance||< + 0.00 / u2013 0.20mm|
|Effective Focal Length||+2%|
- Other Diameter/thickness available on request.