Quality control
- QC-01An ISO quality-control system covers every lens made in our Roorkee facility.
- QC-02Stringent checks, run under the eye of our quality-control team.
- QC-03Optics built to meet Indian and international quality norms.
Measured, not assumed.
Our ISO 9001 quality system covers every lens made in Roorkee, backed by an in-house metrology lab.
- ISO 9001Quality
- ISO 14001Environment
- In-houseQC lab
Tested against light itself.
Form, angle and transmission, measured with light to fractions of a wavelength in our own lab in Roorkee.
QC lab equipment
- Fizeau interferometerSurface form & flatness, in fringes
- Dual-axis autocollimatorsRank Hobson · micrometer drum
- Shimadzu UV-1601 spectrophotometerTransmission vs. wavelength
- Laser test benchOptics checked under a laser beam
- Coating test kitThin-film coating checks
Checked for accuracy, performance and tolerance.
Quality control runs through production. Quality assurance analyses the finished range.
Quality assurance
- QA-01Regular quality analysis of our product range in our in-house test lab.
- QA-02Checked for accuracy of output, performance and tolerance.
- QA-03We work to the quality parameters the industry sets worldwide.
Certified for quality and the environment.
Quality
ISO 9001
Quality management system
Environment
ISO 14001
Environmental management system
Note
One of the first lens companies in India to be ISO certified in quality systems.
Precision grade, at a glance.
All tolerance grades- Surface irregularity
- λ/40.25 fringeCommercial 1 fringe
- Surface quality
- 10-5scratch-digCommercial 60-40
- Tilt / wedge
- 10″arc-secCommercial 1 arc-min
- Thickness
- ±0.01mmCommercial ±0.1 mm
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Tell us the material, tolerances and coating you need. We reply with a quote.