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Glass Perfection UK – Optical Glass Manufacturers

Glass Perfection is a UK Company which manufactures Optical Windows, Filters and Components for production, custom fabrication or from stock.

Specialising in polished plano windows in a wide range of materials with over 20 years manufacturing experience, we offer low cost volume production.

uv quartz discs
silver coatings
achromatic lens
uv quartz discs
Beam Splitters
uv quartz discs
gold coated mirrors
double convex lenses
silver coatings
Lenses > Double Convex

Double-convex lenses are primarily used for collecting, refocusing light from a small source and focusing collected beams, where the lenght of an optical train is more important than focused spot quality.

Double Concex Lens

o: diameter
tc: centre thickness
te: edge thickness
P: principal point
f: focal length
fb: back focal point
fp: focal Point
Diameter Tolerence: +0mm - 0.25mm
Edge/Centre Thickness Tolerence: +/- 0.25mm
Edge Finish: fine ground, beveled
Clear Aperture Diameter: 80% of central diameter
Surface Figure: ^/4 @ 632.8 nm
Surface Quality: 60-40 scratch and dig
Bevel: 0.25mm x 45 degree
Focal Length Tolerence: +/-2%
Back Focal Lenght Tolerence +/-2%

BKY grade A optical glass - n=1.5183+/-0.0005n (@546.1nm)
High purity uv grade fused silica - n=1.4608+/-0.0005 (@546.1nm)

Anti-reflection Coating Available.

To improve transmittace we can supply your lenses coated with a single layer (broad band) or multi layer (narrow band) anti-reflection coating on both sides.


Plano Convex Lenses
Double Convex Lenses
Plano Concave Lenses
Double Concave Lenses
Meniscus Lenses
Achromatic Lenses
Cyndrical Lenses
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