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About Us
Mr. B. Malakar founded Bishwanath Photo Engraving Works, in 1980. For more than two decades, we have been engaged in manufacturing and exporting of different optical& measuring instruments like reticles, lenses, prisms, stage micrometers, optical coatings, counting chambers, refractometers, sub assemblies for optical sights etc. Our determined approach has enabled us to produce equipment known for strength, pressure and quality optical instruments are used in research and defense industry.
The optical instruments are made using latest machinery are known providing accurate results. Keeping in mind the growing needs of the clients, we offer them with coating facility using dielectric beam splitter and providing them with hard layer over coat of gold, silver, aluminum which helps in enhancing the shelf life of the lens by protecting them from external influences, abrasions and scratches. This facility has enables us to win accolades from the international clients.
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Products We offer a comprehensive range of products that are widely used by engineering, production, inspection and testing department of various research institutions and military units. Our range of products comprises of reticles and reticle assemblies, diameter glass contact reticles, conventional and complex lens systems, prisms and prism assemblies, mirrors and mirrors assemblies, optical flats, magnifiers, zoom and stereo microscopes, critical measuring with your microscope and microscopes.
These fabricated products are tested for quality and are made using the latest gadgets. These enables us to provide the best of the services to the clients which are at par with the global standards. All the products are assured for their quality and can be supplied anywhere in the globe. Available at competitive prices, these products are hallmark of our good reputation, which has enabled us to win the appreciation from the domestic and international clients.
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Quality We have our own in house-testing department, where the acquired raw materials like glass, metals, plastic etc. are checked for their quality through chemical analysis. If the raw material passes through the test and our quality experts gives nod for their perfection, then only they are used in the manufacturing process. Once the production starts, our quality experts conduct various tests at different stages of production for their quality consistency. Once the finished products are ready they are tested using different instruments, namely, MIL-O-13830, MIL-M-13508, MIL-B-48612, MIL-STD-810. The lenses are checked for their:
Strength
Pressure
Scratch absorption capability
Surface Quality Standard
Focus Quality
It is only after multiple quality assurance test, they are ready for the delivery and dispatch.
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