Plano-Concave Lenses

Material	BK7, FS, UVFS, CaF2, ZnSe, Si, Ge
Diameter Tolerance	+0.0, -0.15mm
Focal Length Tolerance	+-3%
Centration	<3 arc minutes
Clear Aperture	>90%
Chamfer	0,25mm@45deg
Surface Figure	λ/[email protected]
Surface Quality	40-20 scratch & dig
Design wavelength	632.8 nm
AR coatings	None. Please refer to the Coating Section

Choose your items

or tell us your request

Attention! You can customise this product to your needs.

Description Features Tables Metrology

They are used to expand beams or to increase focal lengths in optical systems or other similar applications. We provides PCV lens up to 500 mm diameter. Under customers request lenses are coated with antireflection coating (please refer to the Coatings section).

	Diverges incident light
	Various AR coatings are available for all these lenses. Please refer to the Coatings section
	Other dimensions are available in small and mass production quantities

Properties (Diameter D, Focal length L) C

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

Altechna metrology lab applies following product inspection:

Visual inspection – surface quality evaluation according to MIL 13830 and ISO 10110 standards

Dimensions – measurement of geometrical dimensions, as diameter, thickness, etc.

Radius of Curvature (Spherometer)*

Effective Focal Length (Spherometer)

Centering (Centration unit)

Irregularity (Interferometer)

Wavefront distortion (Interferometer)

*(…) used equipment

Order your item

Diameter, mm	Edge Thickness, mm	Focal length, mm	Material	Product ID	Price	Action

12.7	4.0	-20	BK7	1-PCV-1-A127	22 €
25.4	6.0	-40	BK7	1-PCV-1-A254	20 €
50.8	4.0	-500	BK7	1-PCV-1-A508	48 €
12.7	3.5	-30	BK7	1-PCV-1-B127	22 €
25.4	5.5	-50	BK7	1-PCV-1-B254	20 €
50.8	4.0	-900	BK7	1-PCV-1-B508	48 €
12.7	3.5	-50	BK7	1-PCV-1-C127	18 €
25.4	5.0	-75	BK7	1-PCV-1-C254	20 €
50.8	4.0	-1000	BK7	1-PCV-1-C508	48 €
12.7	3.5	-75	BK7	1-PCV-1-D127	18 €
25.4	4.0	-100	BK7	1-PCV-1-D254	20 €
50.8	4.0	-1200	BK7	1-PCV-1-D508	48 €
12.7	3.5	-100	BK7	1-PCV-1-E127	18 €
25.4	3.5	-150	BK7	1-PCV-1-E254	20 €
50.8	4.0	-1500	BK7	1-PCV-1-E508	48 €
12.7	3.5	-150	BK7	1-PCV-1-F127	18 €
25.4	3.5	-200	BK7	1-PCV-1-F254	20 €
50.8	4.0	-2000	BK7	1-PCV-1-F508	48 €
12.7	3.5	-200	BK7	1-PCV-1-G127	18 €
25.4	3.5	-250	BK7	1-PCV-1-G254	20 €
50.8	4.0	-8000	BK7	1-PCV-1-G508	48 €
12.7	3.5	-250	BK7	1-PCV-1-H127	18 €
25.4	3.5	-300	BK7	1-PCV-1-H254	20 €
12.7	3.5	-500	BK7	1-PCV-1-J127	18 €
25.4	3.5	-400	BK7	1-PCV-1-J254	20 €
12.7	3.5	-1000	BK7	1-PCV-1-K127	18 €
25.4	3.5	-500	BK7	1-PCV-1-K254	20 €
25.4	3.5	-1000	BK7	1-PCV-1-L254	20 €
25.4	3.5	-2000	BK7	1-PCV-1-M254	22 €
25.4	3.5	-3000	BK7	1-PCV-1-N254	22 €
25.4	3.5	-10000	BK7	1-PCV-1-P254	24 €
12.7	4.0	-20	UVFS	1-PCV-2-A127	38 €
25.4	6.0	-40	UVFS	1-PCV-2-A254	40 €
50.8	4.0	-500	UVFS	1-PCV-2-A508	110 €
12.7	3.5	-30	UVFS	1-PCV-2-B127	38 €
25.4	5.5	-50	UVFS	1-PCV-2-B254	40 €
50.8	4.0	-900	UVFS	1-PCV-2-B508	110 €
12.7	3.5	-50	UVFS	1-PCV-2-C127	32 €
25.4	5.0	-75	UVFS	1-PCV-2-C254	40 €
50.8	4.0	-1000	UVFS	1-PCV-2-C508	110 €
12.7	3.5	-75	UVFS	1-PCV-2-D127	32 €
25.4	4.0	-100	UVFS	1-PCV-2-D254	40 €
50.8	4.0	-1200	UVFS	1-PCV-2-D508	110 €
12.7	3.5	-100	UVFS	1-PCV-2-E127	32 €
25.4	3.5	-150	UVFS	1-PCV-2-E254	40 €
50.8	4.0	-1500	UVFS	1-PCV-2-E508	110 €
12.7	3.5	-150	UVFS	1-PCV-2-F127	32 €
25.4	3.5	-200	UVFS	1-PCV-2-F254	40 €
50.8	4.0	-2000	UVFS	1-PCV-2-F508	110 €
12.7	3.5	-200	UVFS	1-PCV-2-G127	32 €
25.4	3.5	-250	UVFS	1-PCV-2-G254	40 €
50.8	4.0	-8000	UVFS	1-PCV-2-G508	110 €
12.7	3.5	-250	UVFS	1-PCV-2-H127	32 €
25.4	3.5	-300	UVFS	1-PCV-2-H254	40 €
12.7	3.5	-500	UVFS	1-PCV-2-J127	32 €
25.4	3.5	-400	UVFS	1-PCV-2-J254	40 €
12.7	3.5	-1000	UVFS	1-PCV-2-K127	32 €
25.4	3.5	-500	UVFS	1-PCV-2-K254	40 €
25.4	3.5	-1000	UVFS	1-PCV-2-L254	40 €
25.4	3.5	-2000	UVFS	1-PCV-2-M254	42 €
25.4	3.5	-3000	UVFS	1-PCV-2-N254	42 €
25.4	3.5	-10000	UVFS	1-PCV-2-P254	46 €
25.4	3.0	-100	CaF2	1-PCV-3-A254	90 €
25.4	3.0	-200	CaF2	1-PCV-3-B254	90 €
25.4	3.0	-500	CaF2	1-PCV-3-C254	90 €
25.4	3.0	-1000	CaF2	1-PCV-3-D254	90 €
12.7	3.0	-50	ZnSe	1-PCV-4-A127	115 €
25.4	3.5	-50	ZnSe	1-PCV-4-A254	115 €
12.7	3.0	-100	ZnSe	1-PCV-4-B127	110 €
25.4	3.0	-100	ZnSe	1-PCV-4-B254	115 €
12.7	2.5	-500	ZnSe	1-PCV-4-C127	110 €
25.4	2.5	-200	ZnSe	1-PCV-4-C254	115 €
25.4	2.5	-300	ZnSe	1-PCV-4-D254	115 €