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Astronomy > Filters > Nebulae filters > OIII Filters > Baader > Narrowband > Baader Filters OIII CMOS Narrowband 1.25"
Product no.: 70858

Filters OIII CMOS Narrowband 1.25"

$ 144.00 incl. VAT, plus shipping costs
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short-term
ready for shipping in 1-2 weeks + lead time

Delivery possible before Christmas,
when your order by 04.12.!
Right of return up to January 31 2025!


Product questions?
advice for Astronomy

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
Frame
1,25"
Mount material
Aluminium
Coating of optical system
Reflex-Blocker™
Connection (to the telescope)
1,25"
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

Recommended accessories

Astronomy (1)

Omegon 1.25'' filter wheel

$ 189.00*

*All prices include VAT plus shipping costs.

Baader Filters OIII CMOS Narrowband 1.25"
Light transmission curve

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