Nebulae filters < Filters < Astronomy Filter Size 31 | OPTICS-PRO

EN / $

✓ Europe's largest sport optics specialist

✓ 7,500+ items available from stock

✓ Personal advice & service

Categories

Nebulae filters (40)

Broadband Filters (2)

UHC Filters (3)

OIII Filters (8)

H-Alpha Filters (9)

H-Beta Filters (1)

SII Filters (9)

Combinations & Sets (8)

Show main categories

Filter Size

31 (40)

27 (7)

36 (55)

42 (5)

48 (1)

50 (23)

50 X 50 (33)

50,4 (22)

50,8 (1)

52 (2)

65 X 65 (23)

Select multiple items

Manufacturer

Astronomik (17)

Baader (22)

ZWO (1)

Frame

Ring (39)

Unmounted (1)

Appropriate for...

F/10 - F/3.5 (8)

F/3,4 - F/2,3 (4)

F/3.4 - F/1.8 (8)

Half-value width

12 (7)

3,5 (3)

3,5 & 4 (3)

4 (6)

6 (5)

7 (1)

5,5 (1)

6,5 (8)

Price

60 - 110 $ (2)

110 - 170 $ (3)

170 - 230 $ (10)

230 - 340 $ (11)

340 - 570 $ (10)

570 - 1,150 $ (4)

Availability

in stock (7)

short-term (33)

ZWO Filters Filter set H-alpha, SII, OIII 31mm unmounted

ZWO

Filters Filter set H-alpha, SII, OIII 31mm unmounted

RRP: $ 670.00

Our price:

ready for shipping in 24 h

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

Baader

Filters H-alpha/OIII/SII CMOS f/2 Highspeed 31mm

$ 550.00

ready for shipping in 3-7 days

Baader Filters OIII CMOS f/2 Highspeed 31mm

Baader

Filters OIII CMOS f/2 Highspeed 31mm

$ 194.00

ready for shipping in 1-2 weeks

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

Baader

Filters H-alpha/OIII/SII CMOS f/2 Ultra-Highspeed 31mm

$ 970.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS Narrowband 31mm

Baader

Filters OIII CMOS Narrowband 31mm

$ 177.00

ready for shipping in 24 h

Baader Filters SII CMOS Narrowband 31mm

Baader

Filters SII CMOS Narrowband 31mm

$ 176.00

ready for shipping in 24 h

Baader Filters OIII CMOS Ultra-Narrowband 31mm

Baader

Filters OIII CMOS Ultra-Narrowband 31mm

$ 325.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 31mm

Baader

Filters H-alpha/OIII/SII CMOS f/3 Ultra-Highspeed 31mm

$ 950.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha/OIII/SII CMOS Ultra-Narrowband 31mm

Baader

Filters H-alpha/OIII/SII CMOS Ultra-Narrowband 31mm

$ 950.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS Narrowband 31mm

Baader

Filters H-alpha CMOS Narrowband 31mm

$ 179.00

ready for shipping in 24 h

Baader Filters OIII CMOS f/2 Ultra-Highspeed 31mm

Baader

Filters OIII CMOS f/2 Ultra-Highspeed 31mm

$ 332.00

ready for shipping in 24 h

Baader Filters H-alpha/OIII/SII CMOS Narrowband 31mm

Baader

Filters H-alpha/OIII/SII CMOS Narrowband 31mm

$ 510.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/2 Ultra-Highspeed 31mm

Baader

Filters SII CMOS f/2 Ultra-Highspeed 31mm

$ 331.00

ready for shipping in 24 h

Astronomik Filters HSO 6nm 31mm

Astronomik

Filters HSO 6nm 31mm

$ 690.00

ready for shipping in 3-7 days

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

Baader

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

$ 351.00

ready for shipping in 1-2 weeks

Astronomik Filters HSO 12nm 31mm

Astronomik

Filters HSO 12nm 31mm

$ 510.00

ready for shipping in 3-7 days

Baader Filters H-alpha CMOS f/3 Ultra-Highspeed 31mm

Baader

Filters H-alpha CMOS f/3 Ultra-Highspeed 31mm

$ 345.00

ready for shipping in 1-2 weeks

Baader Filters H-alpha CMOS Ultra-Narrowband 31mm

Baader

Filters H-alpha CMOS Ultra-Narrowband 31mm

$ 344.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS f/3 Ultra-Highspeed 31mm

Baader

Filters SII CMOS f/3 Ultra-Highspeed 31mm

$ 329.00

ready for shipping in 1-2 weeks

Baader Filters OIII CMOS f/3 Ultra-Highspeed-Filter 31mm

Baader

Filters OIII CMOS f/3 Ultra-Highspeed-Filter 31mm

$ 326.00

ready for shipping in 1-2 weeks

Baader Filters SII CMOS Ultra-Narrowband 31mm

Baader

Filters SII CMOS Ultra-Narrowband 31mm

$ 328.00

ready for shipping in 1-2 weeks

Astronomik Filters UHC-E 31mm filter, mounted

Astronomik

Filters UHC-E 31mm filter, mounted

$ 98.00

ready for shipping in 3-7 days

Baader Filters SII CMOS f/2 Highspeed 31mm

Baader

Filters SII CMOS f/2 Highspeed 31mm

$ 195.00

ready for shipping in 24 h

Astronomik Filters SII 6nm CCD MaxFR 31mm

Astronomik

Filters SII 6nm CCD MaxFR 31mm

$ 389.00

ready for shipping in 3-7 days

Astronomik Filters OIII 6nm CCD MaxFR 31mm

Astronomik

Filters OIII 6nm CCD MaxFR 31mm

$ 389.00

ready for shipping in 3-7 days

Astronomik Filters H-alpha 6nm CCD MaxFR 31mm

Astronomik

Filters H-alpha 6nm CCD MaxFR 31mm

$ 389.00

ready for shipping in 3-7 days

Baader Filters H-Beta CMOS Narrowband 31mm

Baader

Filters H-Beta CMOS Narrowband 31mm

$ 224.00

ready for shipping in 1-2 weeks

Astronomik Filters H-alpha 6nm CCD filter 31mm

Astronomik

Filters H-alpha 6nm CCD filter 31mm

$ 286.00

ready for shipping in 3-7 days

Astronomik Filters SII 6nm 31mm

Astronomik

Filters SII 6nm 31mm

$ 286.00

ready for shipping in 3-7 days

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

Baader

Filters H-alpha CMOS f/2 Highspeed 31mm

$ 192.00

ready for shipping in 1-2 weeks

Astronomik Filters H-alpha 12nm CCD MaxFR 31mm

Astronomik

Filters H-alpha 12nm CCD MaxFR 31mm

$ 263.00

ready for shipping in 3-7 days

Astronomik Filters OIII 12nm CCD MaxFR 31mm

Astronomik

Filters OIII 12nm CCD MaxFR 31mm

$ 263.00

ready for shipping in 3-7 days

Astronomik Filters SII 12nm CCD MaxFR 31mm

Astronomik

Filters SII 12nm CCD MaxFR 31mm

$ 263.00

ready for shipping in 3-7 days

Astronomik Filters H-alpha 12nm 31mm

Astronomik

Filters H-alpha 12nm 31mm

$ 194.00

ready for shipping in 3-7 days

Astronomik Filters SII 12nm 31mm

Astronomik

Filters SII 12nm 31mm

$ 194.00

ready for shipping in 3-7 days

Astronomik Filters OIII 12nm 31mm

Astronomik

Filters OIII 12nm 31mm

$ 194.00

ready for shipping in 3-7 days

Compare 0/4

Clear Compare now Compare