Name: Baader Planetarium 2" Round S-II f/2 Highspeed Filter with LPFC Mount
Brand: Baader Planetarium
SKU: AA2459399
Price: 352.00 USD
Availability: BackOrder
Rating: 5 (1 reviews)

Baader Planetarium 2" Round S-II f/2 Highspeed Filter with LPFC Mount

Baader Planetarium Filter

Baader Planetarium

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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: 07/26/2025.

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Optics & Binoculars

Telescopes & Astronomy

Telescope Filters

Baader Planetarium Telescope Filters

Baader Planetarium Filter 

Explore the Baader Planetarium 2" S-II f/2 Highspeed Filter for maximum contrast in astrophotography. Narrowband, mounted, and ideal for CCD imaging. Shop now!

When seeking to capture the awe-inspiring beauty of the cosmos, the 2" Round S-II f/2 Highspeed Filter with LPFC Mount from the renowned brand, Baader Planetarium, is an indispensable tool for astrophotographers. This high-quality, durable filter is specifically designed to meet the exacting requirements of ultra-fast astrograph optics, including Hyperstar and RASA systems. Unlike conventional narrowband filters, which often suffer from significant transmission loss due to the strong Central Wavelength (CWL) shift, this innovative filter features a CWL-preshift that perfectly aligns with f/2 to f/3 optics. This unique feature ensures that even in extreme cases, the CWL does not shift out of the Full Width at Half Maximum (FWHM), maintaining the integrity of your images. The FWHM of this filter is expertly optimized to deliver maximum contrast, even with the line broadening typically associated with fast optical trains. This makes it an effective and reliable tool for high-contrast emission nebulae imaging. For the first time, this filter allows astrophotographers to fully leverage the capabilities of fast optics. When used with optics between f/1.8 and f/3.5, this filter delivers a dramatic improvement in image quality compared to regular sets of narrowband filters. With its large 50.8mm diameter, this filter allows a wider field of view and more light to enter your camera lens, making it ideal for astrophotography and other low-light applications. Experience the difference in your astrophotography with the 2" Round S-II f/2 Highspeed Filter with LPFC Mount.

AstroSolar film is the standard for white light solar filters. This mounting cell has two great advantages for eclipse photographers. 

The wide flange shades your camera avoiding overheating. 

The external 3 rubber bumper attachment is easy to remove and replace quickly without disturbing your aim. This is a great advantage for totality in a total solar eclipse. 

Highly recommended

Baader Planetarium 2" Round S-II f/2 Highspeed Filter with LPFC Mount

Key Features

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