Baader O-III Filter 2" (10nm) visual
When does the delivery take place?
Delivery times vary depending on the country and destination postal code. They will be shown at checkout and apply only to products currently in stock.
For products marked as Not in stock, processing may take between 5 and 15 days. If delays occur, our customer service will contact you with timely updates.
What are the warranty terms?
All our products come with a 24-month legal warranty. Some brands provide extended warranty. Contact us for more info.
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You have the right to return a product within 14 days from delivery, as stated in our Refund Policy. Return shipping costs are the responsibility of the customer. Items must be returned in their original condition and packaging. Please contact us before returning.
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Vai al moduloBaader O-III 10 nm Filter – For Planetary and Diffuse Nebulae
The Baader O-III 10 nm filter is designed to deliver maximum contrast when observing planetary and diffuse nebulae, helping your telescope perform at its best, even under moderately light-polluted skies.
It is particularly effective with objects such as the Veil Nebula, Lagoon Nebula (M8), Omega Nebula (M17), Ring Nebula (M57), Dumbbell Nebula (M27), and Eagle Nebula (M16).
Key features:
- Narrow 10 nm bandwidth – optimized for O-III emissions
- Precise spectral isolation – isolates the two O-III lines at 496 nm and 501 nm
- Complete blocking of unwanted wavelengths above and below the passband
- Extremely high contrast – enhances visibility of faint details
- Suitable for both visual and astrophotographic use
- Anti-reflection and anti-moisture coatings – durable and reliable performance
Unlike many generic O-III filters, the Baader O-III stands out for its high optical quality and precise spectral filtering, providing sharper, more contrasted images free from residual light pollution.