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Filters > Nebulae filters > OIII Filters > Baader > Narrowband > Baader Filters OIII CMOS Narrowband 2"
Product no.: 70861

Filters OIII CMOS Narrowband 2"

$ 251.00 incl. VAT, plus shipping costs
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Product description

More about the series Narrowband...

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


Central wavelength (nm)
500,7
Half-value width (nm)
6,5
Mount material
Aluminium
Coating of optical system
Reflex-Blocker™
Connection (to the telescope)
2"
Appropriate for...
f/10 - f/3.5
filter thickness (mm)
2

General


Type
Filters
Type of build
line filter
Series
Narrowband

Area of application


Useful for photographs
yes
Visually useful
no
Twin stars
no
Moon & Planets
no
Nebulae & galaxies
yes
Baader Filters OIII CMOS Narrowband 2"
Light transmission curve

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