William Optics
William Optics STC Astro Multispectra Filter (MS)
William Optics STC Astro Multispectra Filter (MS)
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The STC Astro Multispectra Filter is designed to suppress common urban light pollution sources such as mercury, sodium, and certain LED emissions, while preserving key astronomical wavelengths including H-alpha, H-beta, and OIII. It enhances contrast and color fidelity of stars, nebulae, and the Milky Way, allowing you to produce natural, high-clarity images even from suburban skies.
Built with premium Schott B270 optical glass and coated using STC’s proprietary Ion Beam Assisted Deposition (IBAD) technology, the filter ensures superior light transmission, durability, and anti-reflection performance. Perfect for wide-field astrophotography, Milky Way landscapes, and travel night-sky imaging.
Key Features:
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Multi-spectral light-pollution suppression for natural star colors
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Ideal for city or suburban astrophotography and Milky Way landscapes
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High-transmission, anti-reflection coating for strong contrast
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Schott optical glass with STC IBAD coating — scratch and stain resistant
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Available in multiple thread sizes and clip-in versions for DSLR and mirrorless cameras.
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Get expert guidance fast.
We Source It
Delivered within 4 weeks.
Enjoy It
Be happy with your gear.
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what we get asked most often
Are the prices all-inclusive?
Yes. The price you see is the price you'll pay. All taxes are included. Free shipping on all orders.
What's the stock status of the products on your site?
We list only in-stock items on our website that can be shipped right away. Sold out products are out of stock, so you can't place an order.
Selected products are available for Preorder, with a guaranteed delivery within 30 days or your money back.
How fast do you ship?
We process and ship all orders within two business days. Shipping time is determined by the speed of the shipping partner.
Is there a guarantee on your products?
Yes. On top of the manufacturer's warranty, we also offer a Replacement Guarantee on all online orders. In the event that the product is defective or damaged during shipping, you will receive a replacement.
Can I cancel my order?
We'll refund you 90% if you cancel before dispatch. Cancellations after dispatch are complicated. Take a look at the our Policy here
What's your return policy?
We have strict return/refund policies as a company that deals with fragile products. Casual returns are not permitted. Items that are not damaged in transit or defective cannot be returned.So please take a moment to review our Refund Policy.
Could I order something that's out of stock or not listed?
If you are interested in ordering an out-of-stock item, click the "notify me" button. You will be notified when the item is back in stock.
To source a specific product for you, our team needs more information. Specific orders will be subject to case-by-case terms and conditions.
