Astronomy Half-value width 3 | OPTICS-PRO

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Telescope accessories (2)

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Half-value width

3 (31)

10 (H-alpha), 8 (O-III) (2)

12 (99)

15 (2)

2,5 (3)

20 (2)

3,2 & 3,7 (1)

3,5 (21)

3,5 & 4 (21)

3,7 (4)

4 (52)

4,5 (1)

5 (7)

6 (87)

7 (28)

8 (5)

9 (2)

45 (1)

5,5 (7)

6,5 (59)

6,5-7 (1)

60 (2)

7,5 (2)

OIII: 35, SII: 15 (1)

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

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Manufacturer

Antlia (7)

Chroma (10)

Omegon (3)

Optolong (8)

QHY (3)

Price

120 - 350 $ (2)

350 - 580 $ (11)

580 - 1,170 $ (10)

1,170 - 5,850 $ (8)

Availability

in stock (11)

short-term (19)

long-term (1)

Optolong Filters L-Ultimate 2"

Optolong

Filters L-Ultimate 2"

$ 420.00

ready for shipping in 24 h

QHY Camera miniCam8 Mono Combo EVO

QHY

Camera miniCam8 Mono Combo EVO

RRP: $ 1,410.00

Our price:

ready for shipping in 24 h

Optolong Filters L-Ultimate 1,25"

Optolong

Filters L-Ultimate 1,25"

$ 315.00

ready for shipping in 24 h

Omegon Filters Pro Veil SII 3nm 2''

Omegon

Filters Pro Veil SII 3nm 2''

$ 329.00

ready for shipping in 24 h

Omegon Filters Pro Veil OIII 3nm 2''

Omegon

Filters Pro Veil OIII 3nm 2''

$ 329.00

ready for shipping in 24 h

Optolong Filters SHO 3nm 2"

Optolong

Filters SHO 3nm 2"

$ 1,170.00

ready for shipping in 3-5 weeks

Chroma Filters OIII 36mm unmounted, 3nm

Chroma

Filters OIII 36mm unmounted, 3nm

RRP: $ 1,400.00

Our price:

ready for shipping in 24 h

Optolong Filters SHO 3nm 36mm

Optolong

Filters SHO 3nm 36mm

$ 970.00

ready for shipping in 3-5 weeks

Omegon Filters Pro Veil H-Alpha 3nm 2''

Omegon

Filters Pro Veil H-Alpha 3nm 2''

$ 329.00

ready for shipping in 24 h

Chroma Filters OIII 3nm 2"

Chroma

Filters OIII 3nm 2"

$ 2,040.00

ready for shipping in 1-2 weeks

Chroma Filters H-alpha 3nm 2"

Chroma

Filters H-alpha 3nm 2"

$ 2,040.00

ready for shipping in 1-2 weeks

Chroma Filters SII 3nm 2"

Chroma

Filters SII 3nm 2"

$ 2,040.00

ready for shipping in 1-2 weeks

Antlia Filters Filter OIII 3 nm 36 mm

Antlia

Filters Filter OIII 3 nm 36 mm

$ 590.00

ready for shipping in 1-2 weeks

QHY Filters LRGB + 3nm SHO miniCam8

QHY

Filters LRGB + 3nm SHO miniCam8

$ 590.00

Product can be shipped as of 21.09.2026

Antlia Filters SII 3 nm 36 mm

Antlia

Filters SII 3 nm 36 mm

$ 590.00

ready for shipping in 1-2 weeks

Antlia Filters H-Alpha Pro 3nm 36mm

Antlia

Filters H-Alpha Pro 3nm 36mm

$ 590.00

ready for shipping in 1-2 weeks

Chroma Filters OIII 1,25", 3nm

Chroma

Filters OIII 1,25", 3nm

RRP: $ 1,050.00

Our price:

ready for shipping in 24 h

Optolong Filters H-alpha 3nm 2"

Optolong

Filters H-alpha 3nm 2"

$ 456.00

ready for shipping in 24 h

Chroma Filters H-Alpha 3nm 1.25"

Chroma

Filters H-Alpha 3nm 1.25"

$ 910.00

ready for shipping in 24 h

Optolong Filters H-alpha 3nm 36mm

Optolong

Filters H-alpha 3nm 36mm

$ 385.00

ready for shipping in 1-2 weeks

Chroma Clear Filters 36mm unmounted, 3nm

Chroma

Clear Filters 36mm unmounted, 3nm

RRP: $ 385.00

Our price:

ready for shipping in 3-5 weeks

Chroma Filters Filter SII 36mm unmounted, 3nm

Chroma

Filters Filter SII 36mm unmounted, 3nm

RRP: $ 1,400.00

Our price:

ready for shipping in 3-5 weeks

Chroma Filters OIII 31mm unmounted (3nm)

Chroma

Filters OIII 31mm unmounted (3nm)

RRP: $ 1,050.00

Our price:

ready for shipping in 3-5 weeks

QHY Camera 174 GPS Mono

QHY

Camera 174 GPS Mono

$ 1,980.00

Product can be shipped as of 21.09.2026

Optolong Filters OIII 3nm 2"

Optolong

Filters OIII 3nm 2"

$ 456.00

ready for shipping in 3-5 weeks

Chroma Filters H-alpha 3nm 36mm

Chroma

Filters H-alpha 3nm 36mm

$ 1,220.00

Product can be shipped as of 01.10.2026

Antlia Filters OIII 3nm 50mm

Antlia

Filters OIII 3nm 50mm

$ 930.00

ready for shipping in 1-2 weeks

Antlia Filters SII 3nm 50mm

Antlia

Filters SII 3nm 50mm

$ 820.00

ready for shipping in 1-2 weeks

Antlia Filters H-Alpha Pro 3nm 50mm

Antlia

Filters H-Alpha Pro 3nm 50mm

$ 780.00

ready for shipping in 1-2 weeks

Antlia Filters ALP-T Dual Band H-Alpha & OIII 3nm 2"

Antlia

Filters ALP-T Dual Band H-Alpha & OIII 3nm 2"

$ 660.00

ready for shipping in 1-2 weeks

Optolong Filters SII 3nm 2''

Optolong

Filters SII 3nm 2''

$ 456.00

ready for shipping in 24 h

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