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Solar Observation > Solar Filters > Mounted glass filters > Baader > Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)
Product no.: 10887

Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)

$ 311.00 incl. VAT, plus shipping costs
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Product description

Baader 1.25", K-line, 395nm filter

(including AstroSolar photo film ND=3.8, format: 200x290mm for pre-filtering sunlight)

The first 'stacked' 1.25" filter for digital cameras and webcams for doing astrophotography using the calcium lines in the solar spectrum. This filter lets through these two lines, at 393nm and 396nm, resulting in a deep blue image. A region of the Sun then becomes visible, in the light of these calcium lines, lying between the photosphere (observable in white light) and the chromosphere (observable in H-alpha light). Flares scattered over the entire surface of the Sun, bright zones around sunspots (and sunspot groups) and the high density network of super granulation can be imaged. Especially suitable for Newtonian telescopes.

Specifications

Capacity


Central wavelength (nm)
394
Half-value width (nm)
5
Connection (to the telescope)
1,25"
Frame
1,25"
filter thickness (mm)
2

General


Type
Solar Filters
Type of build
line filter
Height (mm)
6

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*All prices include VAT plus shipping costs.

Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)
Includes
Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)
Light transmission curve
Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)
Packing

Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)
Example image 1

Baader Filters K-LINE filter gestackt, 1 ¼ " (with 3,8 astro+solarly 200x290mm photo film)

Example image 2

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