![]() |
|||||||||||||||||||||||||||||
Informatique
Achromatic Lenses |
LENSES |
MATERIALS |
ILLUSTRATION |
PROPERTIES AND APPLICATIONS |
ACHROMATIC LENS |
Combinations of Two Optical Grade Glasses |
|
These lenses have considerably reduced values of spherical aberrations. Best used to replace single components where performance must be improved. |
Specifications of Achromatic Lenses
Diameter size |
smallest 3 mm |
Diameter tolerance |
+0.0, -0.05mm |
Parallel focal length tolerance |
±2% |
Centration |
5 arc minutes |
Clear aperture |
>80% |
Surface figure: power(n) |
<3</span> |
Surface figure: irregularity(n) |
<0.5</span> |
Surface quality |
40/20 scratch and dig |
Bevel |
< 0.2 mm x 45° |
Coating |
Single layer MgF2 broadband AR |
Note for Achromatic Lenses
Lens made from materials such as N-BK7, Fused Silica, Sapphire, CaF2, Borofloat, or other optical glass supplied by Schott and Chinese CDGM is available upon request.
Custom-made Lenses at any size from Φ3.0mm to Φ200mm clear aperture are available. Besides round, Lenses at the shape of a square are available.
90% clear aperture is available upon request.
A better bevel is available upon request.
A lens with Anti-Reflective (AR), Single layer MgF2 coating are available.
Bonne affaire : acheter au vendeur
Cette page concerne les importateurs et exportateurs de Achromatic Lenses Rechercher dans la catégorie : Informatique Rechercher dans la catégorie : achromatic, lenses |
Mercredi 25 septembre 2013
Quantité : 1 - Prix : 1,00 €
Numéros de produit : ZWD -1001 Description du produit: 1. Utilisez 3W source d' éclairage à LED de haute qualité, la durée de vie est plus de 50000 heures . 2 . Remplacer 3 ~ 5 fois de la puissance HPSL , 80 % que la tradition HPSL et MHL énergie électrique. 3 . Fort effet d'éclairage ...
Jeudi 21 avril 2016
Quantité : 999
Magnesium Fluoride (MgF2) is good birefringent crystal with good transmission over 120-7000nm. It is a hard material which is resistant to thermal and mechanical shock and can be worked according to the highest standards. MgF2 single crystals is a positive birefringent crystal and...
Mercredi 22 juillet 2015
Shenzhen Herifi Tech Co., Ltd http://www.herifi.com Herifi 2015 Newest DM002 180w LED Grow Light and veg flowers led grow light Specification: 1.COB+3W LED chip, 60 90 120 degree lenses, pure aluminum cooling system 2. Unique heat dissipation, optics, structure, power design, pure aluminum...