Cylindrical Lenses
Quantité : 999
Cylindrical lenses are used to correct astigmatism in the eye and in rangefinders, to produce astigmatism, stretching a point of light into a line, they are widely used in bar code scanning, projection optics systems, laser measurement systems and holography.
Cylindrical lenses are available in either plano-concave or plano-convex configurations from Crysmit, Plano-concave lenses have a negative focal length and are used for image reduction or to spread light. Plano-convex lenses have a positive focal length, which makes them ideal for collecting and focusing light for many imaging applications.
Plano-Concave Cylindrical Lens Plano-Convex Cylindrical Lens
Attribute
|
Specification
|
Typical Material
|
N-BK7, H-K9, Fused Silica, N-SF10, etc
|
Diameter Tolerance (mm)
|
±0.2 (General), ±0.05 (High Precision)
|
Focal Length Tolerance (mm)
|
±2%
|
Centration
|
<3 arc min</div>
|
Surface1 Figure (per 25mm@632.8nm)
|
λ/2 (General), λ/4 (High Precision)
|
Surface2 Figure (per 25mm@632.8nm)
|
2λ (General), λ (High Precision)
|
Surface Quality
|
60/40 (General), 10/5 (High Precision)
|
Bevel (face width x 450)
|
<0.2-0.5mm (General), 0.05-0.2 (High Precision)</div>
|
Coating
|
upon request
|
Personne à contacter : amiee ye,
Bonne affaire : acheter au vendeur
Nous vous invitons à lire nos conditions générales d'utilisations. Vous pouvez aussi vous rendre sur nos FAQ et consulter notre page d'informations sur les risques liés à la contrefaçon.
Cette page concerne les importateurs et exportateurs de Cylindrical Lenses Rechercher dans la catégorie : Biens d'équipement Rechercher dans la catégorie : lenses, cylindrical |
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