Filters < Astronomy Half-value width 6,5 | OPTICS-PRO

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Nebulae filters (59)

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Half-value width

6,5 (59)

0,04 (1)

0,05 (1)

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

2,5 (3)

3 (25)

3,2 & 3,7 (1)

3,5 (21)

3,5 & 4 (21)

3,7 (4)

4 (52)

4,5 (1)

5 (7)

8 (5)

12 (85)

15 (2)

20 (2)

40 (1)

5,5 (7)

6 (81)

6,5-7 (1)

7 (16)

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

Baader (56)

Explore Scientific (2)

Optolong (1)

Connection (to the telescope)

1,25" (9)

2" (10)

Frame

1,25" (9)

2" (9)

Frames (16)

ring (24)

Filter Size

31 (8)

36 (8)

50 x 50 (8)

50,4 (8)

65 x 65 (8)

Appropriate for...

f/10 - f/3.5 (28)

f/3.4 - f/1.8 (28)

Price

120 - 180 $ (9)

180 - 240 $ (10)

240 - 360 $ (20)

360 - 590 $ (12)

590 - 1,180 $ (6)

> 1,180 $ (2)

Availability

in stock (12)

short-term (47)

Baader Filters OIII CMOS f/2 Highspeed 50.4mm

Baader

Filters OIII CMOS f/2 Highspeed 50.4mm

$ 299.00

ready for shipping in 24 h

Baader Filters H-alpha CMOS f/2 Highspeed 50.4mm

Baader

Filters H-alpha CMOS f/2 Highspeed 50.4mm

$ 301.00

ready for shipping in 1-2 weeks

Baader Filters f/2 Highspeed SII CMOS 50.4mm

Baader

Filters f/2 Highspeed SII CMOS 50.4mm

$ 300.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/2 Highspeed 2"

Baader

Filters OIII CMOS f/2 Highspeed 2"

$ 288.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS Narrowband 50.4mm

Baader

Filters H-alpha CMOS Narrowband 50.4mm

$ 291.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS f/2 Highspeed 2"

Baader

Filters H-alpha CMOS f/2 Highspeed 2"

$ 291.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/2 Highspeed 2"

Baader

Filters SII CMOS f/2 Highspeed 2"

$ 287.00

ready for shipping in 1-2 weeks

Explore Scientific Filters OIII 6.5nm 2"

Explore Scientific

Filters OIII 6.5nm 2"

$ 272.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/2 Highspeed 36mm

Baader

Filters OIII CMOS f/2 Highspeed 36mm

$ 205.00

ready for shipping in 24 h

Baader Filters H-alpha CMOS Narrowband 36mm

Baader

Filters H-alpha CMOS Narrowband 36mm

$ 196.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Narrowband 36mm

Baader

Filters SII CMOS Narrowband 36mm

$ 194.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS f/2 Highspeed 31mm

Baader

Filters H-alpha CMOS f/2 Highspeed 31mm

$ 184.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS f/2 Highspeed 36mm

Baader

Filters H-alpha CMOS f/2 Highspeed 36mm

$ 208.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS Narrowband 31mm

Baader

Filters H-alpha CMOS Narrowband 31mm

$ 172.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Narrowband 31mm

Baader

Filters OIII CMOS Narrowband 31mm

$ 170.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Narrowband 31mm

Baader

Filters SII CMOS Narrowband 31mm

$ 169.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Narrowband 50.4mm

Baader

Filters SII CMOS Narrowband 50.4mm

$ 324.00

ready for shipping in 1-2 weeks

Explore Scientific Filters SII 6.5nm 1.25"

Explore Scientific

Filters SII 6.5nm 1.25"

$ 189.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Narrowband 50x50mm

Baader

Filters OIII CMOS Narrowband 50x50mm

$ 338.00

ready for shipping in 24 h

Baader Filters SII CMOS f/2 Highspeed 31mm

Baader

Filters SII CMOS f/2 Highspeed 31mm

$ 188.00

ready for shipping in 24 h

Baader Filters OIII CMOS f/2 Highspeed 31mm

Baader

Filters OIII CMOS f/2 Highspeed 31mm

$ 186.00

ready for shipping in 24 h

Baader Filters H-alpha CMOS Narrowband 50x50mm

Baader

Filters H-alpha CMOS Narrowband 50x50mm

$ 332.00

ready for shipping in 24 h

Baader Filters OIII CMOS f/2 Highspeed 50x50mm

Baader

Filters OIII CMOS f/2 Highspeed 50x50mm

$ 342.00

ready for shipping in 1-2 weeks