Meniscus Lenses

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Meniscus Lenses

These positive and negative focus length lenses have different radii on both sides.

Centration, arcmin	<3 arcmin
Ouverture utile, %	>90%
Traitements	Available on request
Longueur d'onde de conception, nm	632.8 nm
Tolérances de diamètre, mm	+0.0/-0.1 mm
Tolérance distance focale, %	±3 %
Chanfreins de protection	<0,25 mm x 45 deg
Surface Figure	<λ/4@632.8 nm
Planéité de surface	40/20 S/D
Tolérance d'épaisseur, mm	±0.1 mm

Description

Détails

Meniscus lenses are used in applications to reduce beam distortion. They are used on focusing light beam in telescopes, collimators or condenser systems, optical transceivers or other applications. Under customer request anti-reflection or other types of coatings can applied.

Fonctionnalités

Minimizes spherical aberration
Improves image quality
Reduces spot size

Applications

Properties (Diameter D, Focal length L)

D, mm	D, Inches	L Minimal, mm	L Maximal, mm
12,7	0.5	+/- 25	+/- 10.000
25,4	1	+/- 30	+/- 10.000
38,1	1.5	+/- 50	+/- 10.000
50,8	2	+/- 80	+/- 10.000
76,2	3	+/- 100	+/- 10.000

Name	Diamètre, mm	Material	ROC1, mm	ROC2, mm	Prix	Quantité
1-ML-1-A254	25.4	BK7	50	-50	44,20 $US
1-ML-1-B254	25.4	BK7	100	-100	44,20 $US
1-ML-1-C254	25.4	BK7	150	-150	44,20 $US
1-ML-1-D254	25.4	BK7	200	-200	44,20 $US
1-ML-1-E254	25.4	BK7	250	-250	44,20 $US
1-ML-1-F254	25.4	BK7	300	-300	44,20 $US
1-ML-2-A254	25.4	UVFS	50	-50	75,40 $US
1-ML-2-B254	25.4	UVFS	100	-100	75,40 $US
1-ML-2-C254	25.4	UVFS	150	-150	75,40 $US
1-ML-2-D254	25.4	UVFS	200	-200	75,40 $US
1-ML-2-E254	25.4	UVFS	250	-250	75,40 $US
1-ML-2-F254	25.4	UVFS	300	-300	75,40 $US