Name: Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter, 65mm Square, Unmounted
Brand: Baader Planetarium
SKU: AAFSIINUSQ65
Price: 689.00 USD
Availability: BackOrder

Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter, 65mm Square, Unmounted

Baader Planetarium Narrowband Filter

Baader Planetarium

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Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter, 65mm, Unmounted

Generally ships in 7-14 days, subject to availability

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Generally ships in 7-14 days, subject to availability Estimated to Ship: 07/29/2025.

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Optics & Binoculars

Telescopes & Astronomy

Telescope Filters

Baader Planetarium Telescope Filters

Baader Planetarium Narrowband Filter 

Explore the Baader Planetarium 4.5nm Sulfur-II filter (65mm). Unmounted, plane-optically polished. Excellent transmission. Shop now for superior astrophotography!

Enhance your astrophotography experience with the high-quality 4.5nm Sulfur-II Ultra-Narrowband CCD Filter, meticulously crafted by the renowned Baader Planetarium. This durable and effective 65mm square, unmounted filter is engineered to elevate your deep-sky imaging, capturing the intricate details of celestial wonders.The innovative design of this filter is optimized for fast optical systems with focal ratios ranging from f/3 to f/8, ensuring compatibility with a wide array of telescopes. Its ultra-narrow 4.5nm bandwidth is specifically tailored for S-II (Sulfur-II) line astrophotography, making it a reliable choice for enthusiasts seeking to isolate specific wavelengths and enhance the visibility of nebulae and other astronomical phenomena.Constructed with IR-blocking capabilities, this filter safeguards your images from unwanted infrared interference. The advanced anti-reflection coatings applied to the filter work to eliminate distracting halos and ghosting, providing you with crisp, clear astrophotographs that truly showcase the beauty of the night sky.Furthermore, the filter boasts non-ageing sealed coated edges, a testament to its long-lasting durability. This feature ensures that the filter remains protected against the elements, maintaining its high performance and image quality over time.Choose the Baader 4.5nm Sulfur-II Ultra-Narrowband CCD Filter for its unparalleled precision and the ability to bring out the subtlest details in your astrophotography pursuits. Whether you're capturing the complex structures of a distant nebula or the delicate filaments of a supernova remnant, this filter is the astrophotographer's essential tool for achieving breathtaking results.

Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter, 65mm Square, Unmounted

Key Features

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