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Astronomy > Filters > Nebulae filters > OIII Filters > Optolong > Optolong Filters OIII 3nm 2"

Optolong Filters OIII 3nm 2"

Optolong

Product no.: 73722

Filters OIII 3nm 2"

~~RRP: $ 475.00~~ Our price:

$ 422.00 incl. VAT, plus shipping costs

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Product description

OIII Filter: The narrowband O-III 3nm filter is designed for nebula observation allowing 3nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, blocking out all other light.

Specifications

Capacity

Connection ( to eyepiece)

2"

Frame

2"

passband (nm)

500

Half-value width (nm)

3

General

Type

Filters

Type of build

line filter

Area of application

Useful for photographs

yes

Anti light-pollution

yes

Planetary nebulae

yes

Supernova remains

yes

Visually useful

yes

Hydrogen nebulae

-

Nebulae & galaxies

no

Optolong Filters OIII 3nm 2"

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