Plano-concave lens, precision grade

Plano-concave lens, precision grade

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Plano-concave glass lenses are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths.

These lenses diverge collimated incident light.
They form virtual images which are seen through the lens.
They are often used to expand light or to increase focal lengths in existing systems.

General Specifications:

Parameter	Value
Default unit	mm
Material	BK7
Diameter tolerance	+0,-0.1mm
Focal length tolerance	+/-1%
Center thickness tolerance	+/-0.2mm
Centration	3 arc min
Surface quality	20-10
Flange width	0.2-0.4mm

PN	Description	EFL	Diameter	BFL	Tc	Te	Radius	UnitPrice	OrderOnline
PVP002	Plano-concave lens precision grade BK7 D= 5 EFL= -10	-10	5	-11.32	2	2.64	-5.187	$14.25	Order
PVP004	Plano-concave lens precision grade BK7 D= 8 EFL= -15	-15	8	-16.32	2	3.11	-7.781	$14.25	Order
PVP001	Plano-concave lens precision grade BK7 D= 10 EFL= -20	-20	10	-21.32	2	3.28	-10.374	$14.25	Order
PVP029	Plano-concave lens precision grade BK7 D= 15 EFL= -75	-75	15	-76.32	2	2.73	-38.904	$15.75	Order
PVP015	Plano-concave lens precision grade BK7 D= 20 EFL= -50	-50	20	-51.32	2	4.01	-25.936	$17.25	Order
PVP007	Plano-concave lens precision grade BK7 D= 20 EFL= -30	-30	20	-31.32	2	5.64	-15.562	$17.25	Order
PVP057	Plano-concave lens precision grade BK7 D= 22.4 EFL= -150	-150	22.4	-151.32	2	2.81	-77.808	$17.25	Order
PVP042	Plano-concave lens precision grade BK7 D= 25 EFL= -100	-100	25	-101.32	2	3.53	-51.872	$17.25	Order
PVP018	Plano-concave lens precision grade BK7 D= 25 EFL= -50	-50	25	-51.32	2	5.21	-25.936	$17.25	Order
PVP003	Plano-concave lens precision grade BK7 D= 25 EFL= -25	-25	25	-26.32	2	11.52	-12.968	$17.25	Order
PVP011	Plano-concave lens precision grade BK7 D= 25.4 EFL= -38.1	-38.1	25.4	-39.40	2	6.50	-19.763	$17.25	Order
PVP062	Plano-concave lens precision grade BK7 D= 30 EFL= -200	-200	30	-201.32	2	3.09	-103.744	$22.25	Order
PVP049	Plano-concave lens precision grade BK7 D= 30 EFL= -125	-125	30	-126.32	2	3.76	-64.840	$22.25	Order
PVP019	Plano-concave lens precision grade BK7 D= 30 EFL= -50	-50	30	-51.32	2	6.78	-25.936	$22.25	Order
PVP066	Plano-concave lens precision grade BK7 D= 50 EFL= -600	-600	50	-601.32	2	3.01	-311.232	$30	Order

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