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H-Alpha 5nm Filter for Astronomy 2" - SVBONY

H-Alpha 5nm Filter for Astronomy 2" - SVBONY

SKU: svbony-W9187DB

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€152,00 EUR

€152,00 EUR

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Features
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Type: H-Alpha Filter
Size: 2 inches
Wavelength range: 300 to 1000 nm
Central wavelength: 656.3 nm
Bandwidth: 5 nm
Maximum transmission: ≥90%
Substrate thickness: 1.85 mm
Blocking: ≥OD5
Clear opening: 44 mm
Surface quality: 60/40
Surface parallelism: 1/4λ
Parallelism: 30″
Thread: M48x0.75
Net weight: 12.5 g

Improve the contrast and details in astrophotography.
Block harmful wavelengths caused by light pollution.
Facilitates the observation of celestial objects under a polluted sky.
No need for a separate IR-Cut filter thanks to its integrated design.
Easy to install in the eyepiece of your telescope.
Easy to use for astrophotographers of all levels.

Compatible with all telescopes featuring a 2-inch eyepiece holder.
Not suitable for solar use.
Incompatible with telescopes having a focal ratio lower than F/5.

H-Alpha Filter 5nm 2 inches
Instructions for use
$20 discount voucher (Promo code: Cuiv20)

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