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Optical Metrology Instruments

Plano Optics

Right Angle Prism - 22 mm

Right Angle Prism - 25 mm

Penta Prism

Equilateral Prism - 32 mm

Front Surface Mirror

Elliptical Mirror

Optical Windows

Optical Flats

Optical Parallel

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Home » Product Range » Elliptical Mirror

Elliptical Mirror

Mostly used in Telescope and are commonly called as diagonals.

Material Float Glass
Diameter Tolerance +0.0, -0.20mm
Clear Aperture >90%
Flatness N4 @ 632.8 nm
Surface Quality 60-40 scratch and dig
Bevel <0.25mm× 45°
Reflectivity R > 87% per face at 550 nm

Minor Diameter (mm) T (mm) Part No.
25 mm 5 EPM-25D
38 mm 8 EPM-38D

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