Astronomy Half-value width 12 | OPTICS-PRO

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Half-value width

12 (85)

0,04 (1)

0,05 (1)

10 (H-alpha), 8 (O-III) (1)

2,5 (3)

3 (27)

3,2 & 3,7 (1)

3,5 (21)

3,5 & 4 (21)

3,7 (4)

4 (52)

4,5 (1)

5 (7)

8 (5)

15 (2)

20 (2)

40 (1)

5,5 (7)

6 (81)

6,5 (59)

6,5-7 (1)

7 (17)

9 (2)

60 (2)

80 (1)

7,5 (2)

OIII: 35, SII: 15 (1)

OIII: 6,5 & SII: 8,5 (1)

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Manufacturer

Astronomik (78)

Explore Scientific (3)

Omegon (2)

Optolong (2)

Price

< 120 $ (3)

120 - 360 $ (38)

360 - 590 $ (42)

590 - 1,180 $ (2)

Availability

in stock (8)

short-term (76)

long-term (1)

Astronomik Filters SII 12nm 36mm

Astronomik

Filters SII 12nm 36mm

$ 224.00

ready for shipping in 3-7 days

Astronomik Filters SII 12nm 31mm

Astronomik

Filters SII 12nm 31mm

$ 201.00

ready for shipping in 3-7 days

Astronomik Filters H-alpha 12nm CCD MaxFR 1,25"

Astronomik

Filters H-alpha 12nm CCD MaxFR 1,25"

$ 213.00

ready for shipping in 3-7 days

Astronomik Filters SII 12nm CCD MaxFR 1.25"

Astronomik

Filters SII 12nm CCD MaxFR 1.25"

$ 213.00

ready for shipping in 3-7 days

Astronomik Filters OIII 12nm 27mm CCD filter, unmounted

Astronomik

Filters OIII 12nm 27mm CCD filter, unmounted

$ 153.00

ready for shipping in 3-7 days

Astronomik Filters SII 12nm 27mm CCD filter, unmounted

Astronomik

Filters SII 12nm 27mm CCD filter, unmounted

$ 153.00

ready for shipping in 3-7 days

Explore Scientific Filters H-alpha 12nm 2"

Explore Scientific

Filters H-alpha 12nm 2"

$ 224.00

Product can be shipped as of 01.05.2026

Optolong Filters H-Beta 12nm 1.25"

Optolong

Filters H-Beta 12nm 1.25"

$ 106.00

ready for shipping in 1-2 weeks

Astronomik Filters HSO 12nm 1,25"

Astronomik

Filters HSO 12nm 1,25"

$ 426.00

ready for shipping in 3-7 days

Astronomik Filters HSO 12nm 2"

Astronomik

Filters HSO 12nm 2"

$ 900.00

ready for shipping in 3-7 days

Astronomik Filters HSO 12nm 31mm

Astronomik

Filters HSO 12nm 31mm

$ 520.00

ready for shipping in 3-7 days

Astronomik Filters HSO 12nm 50mm

Astronomik

Filters HSO 12nm 50mm

$ 950.00

ready for shipping in 3-7 days

Optolong Filters H-Beta 12nm 2"

Optolong

Filters H-Beta 12nm 2"

$ 165.00

ready for shipping in 3-5 weeks