Hoya Optical Glass Filters

UQG manufacture Hoya Optical Glass Filters covering the (UV) ultraviolet to (IR) infrared regions. Our Hoya filters are made in custom sizes, standard and customer specifications. The Hoya filters are processed from standard Hoya raw tile materials, polishing to a designed dimension and thickness. Our Hoya filters are mainly supplied to scientific and imaging companies, we also have standard IR-72 Mounted Filters Stock.
You can view our complete range in our Hoya Filters data materials section which include UV transmitting, Sharp cut filters IR Transmitting, Blue filters, Green filters, Compensating filters, Contrast filters and Calibration filters.

Standard 50x50mm2 Hoya filters available (on request), generally 1 week delivery.

Specifications – Standard Material: Hoya® Filter Glass Dimensions: Diameters +0.00/-0.20mm Squares +/-0.20mm Thickness: +/-0.20mm Edges: Fine Ground Surfaces: 60/40 Parallelism: ≤ 3 Arc mins. Flatness: Ø25mm ≤ 5 Fringes 50x50mm ≤ 8 Fringes

Custom Diameter: 4mm to 160mm + Squares/Rectangles: 1mm To 165mm + Thickness: Tol to 0.02mm Edges: As cut/bevelled, ground Flatness: Up to Lambda 4 Parallelism: Up to 1 Arc min. Coatings: See coatings section

Options Additional filter types Combination Filters Toughening Storage boxes Mounts & holders Calibration certificates Identification labels Transmission curves

For further information on these products please contact our sales team.