The STC Astro Duo Narrowband Filter 2″ targets Ha and OIII emission lines to deliver very high contrast colour images for one shot colour and DSLR cameras.
- STC Astro Duo Narrowband filter 2″ reduces interference from artificial lighting and enhances the Ha and OIII emission lines, less of the weak Hb line is transmitted for Ultra High Contrast!
- IBAD (Ion beam-assisted deposition) coating technology gives the glass have higher durability for safer cleaning, and prevents ageing changes in spectral characteristics over time.
- Matte black anodised and Teflon-coated cell eliminates flare and makes it easy to install or remove from your lens.
- Also available in 1.25″ size and as a clip filter for many cameras – please ask
Prices include postage to all mainland UK addresses, except where indicated. Larger items may attract a surcharge for off shore or remote locations.
When your item is dispatched, you will receive an email from our shopping cart saying ‘Your order is complete’
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Website prices DO NOT include International delivery costs unless specified.
We are happy to ship to most countries. We use a variety of Royal Mail and Courier services, depending on the weight, size, value and urgency of your order.
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Some items which are particularly popular with overseas purchasers already display, in the purchase menu, combined purchase and shipping costs to various regions adjusted for UK VAT (sales tax) where necessary.
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