::: Hindustan Opticals :::

::: Right Angle Prisms ::: Specifications Linear Dimensions : ± 0.15 mm Flatness - over central 90% edge dimension Standard Series : 2 l at 546 nm Precision Series : l/4 at 546 nm Angle Standard Series : ± 5 arc min. Precision Series : ± 15 arc sec. Material - As per customer's requirement Edges Beveled approx. 0.25 mm Edges fine ground Hypotenuse - Aluminised (AlSiO) Faces Antireflection coated Surface Quality: Mil-0-13830/80-50
::: Rhomboid Prisms ::: Specifications Linear Dimensions : ± 0.15 mm Angles ± 10 arc sec Surface flatness over central 90% edge dimensions l Material - As per customer's requirement Edges beveled approx. 0.25 mm Edges fine ground Surface Quality: Mil-0-13830/80-50
::: Dove Prisms ::: Specifications Linear Dimensions : ± 0.15 mm Angles ± 3 arc sec Flatness over central 90% Edge dimensions - 2 l Material - As per customer's requirement Edges beveled approx. 0.25 mm Edges fine ground Entry and exit faces antireflection coated Surface Quality: Mil-0-13830/80-50
::: Roof Prisms ::: Specifications Linear Dimensions : ± 0.15 mm Flatness over central 90% Edge dimension - l Material - As per customer's requirement Edges beveled approx. 0.25 mm Edges fine ground Surface Quality: Mil-0-13830/80-50
::: Retro Reflectors ::: Specifications Solid glass retro reflectors. Linear Dimensions : ± 0.15 mm Deviation : 180° ± 2 arc sec Surface flatness over central 90% Edge dimension - l /10 Material - As per customer's requirement Edges beveled approx. 0.25 mm Roof angles beveled approx. 0.1 mm Edges fine ground Surface Quality: Mil-0-13830/80-50
::: Penta Prisms ::: Specifications Linear Dimensions : ± 0.15 mm 90% Deviation Tolerance Standard series < 3 arc min. Precision series < 3 arc sec. Flatness over central 90% edge dimensions Standard Series - 2 l Precision Series - l/4 Reflectivity :> 80% per face from 400-800 nm Surface Quality: Mil-0-13830 Standard series :80-50 Precision series : 60-40 Pentagonal surfaces are fine ground All edges are ground