MATERIAL;

DIMENSION:

THICKNESS:

EDGES:

SURFACE QUALITY:

FLATNESS:

OPTICAL DENSITY:

PARALLELISM:

SCHOTT ® FILTER GLASS

Ø 25mm +0.00/-0.20mm

± 0.10mm

Fine Ground

60/40

≤ 5 Fringes

O.D >1.0 ± 5% @546nm

O.D <1.0 ± 0.05 @546nm

≤ 5 Arc Min

Ø25mm

Part No

Description Of ND Filter

O.D

546

nm

700

nm

780

nm

850

nm

Thickness

(mm)

FND-2501

NG11

0.10

79

80

78

75

0.6

FND-2550

NG11

0.15

71

70

64.5

60

1.0

FND-2502

NG11

0.20

63

64

60

54

1.4

FND-2503

NG11

0.30

50

52

46

39

2.3

FND-2504

NG11

0.40

40

42

35

28

3.3

FND-2505

NG11

0.50

32

33

27

20

4.0

FND-2506

NG5

0.60

25

31

30

24

2.3

FND-2507

NG5

0.70

20

25

24

19

2.7

FND-2508

NG5

0.80

16

21

20

15

3.0

FND-2509

NG5

0.90

13

18

17

14

3.2

FND-2510

NG5

1.00

10

14

13

9.4

3.9

FND-2513

NG4

1.30

5.0

9.8

11.4

8.70

2.4

FND-2515

NG4

1.50

3.2

5.3

6.7

4.6

2.9

FND-2520

NG4

2.00

1.0

2.0

2.7

1.6

3.8

FND-2523

NG3

2.30

0.50

1.5

2.2

2.2

2.2

FND-2525

NG3

2.50

0.32

1.4

2.5

2.5

2.4

FND-2530

NG3

3.00

0.10

0.6

1.2

1.2

2.9

FND-2540

NG3

4.00

0.01

0.11

0.29

0.29

3.9