Concave mirrors-Quality grade Concave Spherical Mirrors are used for focusing a beam of light in an optical system, therefore replacing a lens where a folded path is necessary. Compared to lenses, spherical mirrors have the advantages of perfect achromatism, considerably lower spherical aberration (see spherical aberration) and wide wavelength coverage.

Knight Optical > Mirrors Concave mirrors-Quality grade This is the section containing Concave mirrors-Quality grade. Concave lamp reflectors This is the section containing Concave lamp reflectors. Elliptical plane - Precision Grade (Lambda/4) This is the section containing Elliptical plane - Precision Grade (Lambda/4). Elliptical plane mirrors - General-purpose grade This is the section containing Elliptical plane mirrors - General-purpose grade . Plane mirrors - Precision Grade (Lambda/10) This is the section containing Plane mirrors - Precision Grade (Lambda/10). Plane mirrors - Precision Grade (Lambda/4) This is the section containing Plane mirrors - Precision Grade (Lambda/4). Plane mirrors - (1 wave over 25mm) This is the section containing Plane mirrors - (1 wave over 25mm). Plane mirrors - General-purpose Grade This is the section containing Plane mirrors - General-purpose Grade. Only UK and EU customers are charged VAT at 17.5%, customers outside the EU and EU customers based outside the UK who have a valid EU VAT number will not be charged VAT Bulk Discounts! Where (B) appears next to a price below, bulk prices are available, click the (B) button to view! Knight Optical > Mirrors

Specification   Material: Float glass (White) Material data: (see materials section) Diameter: +0 / -0.2 mm Focal Length : ±2% Coating: Protected aluminium / Visible use (see MV02 coating spec)

Specific requirements We can manufacture these Concave Mirrors to any size at short notice so if your requirements are not listed please contact us by telephone/ fax or email: stockrequirement@knightoptical.co.uk Alternative items available Mirror coatings (see coatings section) can easily be applied to lenses (see lens section) to form convex or concave mirrors.