Prisms India Private Limited


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Prisms India Private Limited

C-92,16th Cross, Pipdic Indl. Estate, Mettupalayam, Pondicherry, India
, Pondicherry, Pondicherry - 605009, India

Landline : +91-0413-2277059 / 2271289

Mobile : 09843044707

E-mail : prisms@vsnl.com


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Optical Parallels

Home » ProductsOptical Metrology Instruments » Optical Parallels

We manufacture highly precise optical Parallel that are in large demand in the market for the calibration of Micrometer anvils. Our precision optical Parallel are made with Optical Glass / Fused Quartz Materials. The Flatness is inspected with a Laser Fizeau Interferometer having a Lambda / 20 Transmission Flat. The flatness is quantified with a help of a Licenced Fringe Analysis Software. The parallelism of these are verified by Haidenger Fringe method as well by Interferometric Technics.

Application :
Inspection & Calibration of Flatness of Micrometer anvils

Material BK-7 / Fused Silica (Suffix A)
Dimensional Tolerance ± 0.15 mm
Thickness Tolerance ± 0.01 mm
Surface Quality 80-50 Scratch & Dig
Surface Accuracy 0.2 microns
Parallelism 0.1 microns
Parallelism Bevel 0.5 mm x 45°
Part No Diameter Thickness (mm)
OP-01 / OP-01A 30 mm 12.000, 12.127, 12.250, 12.375
OP-02 / OP-02A 50 mm 25.000, 25.127, 25.250, 25.375