Solar Astronomy

2x Magnification Designed Specifically for the Antlia Solar Discover 5Å CaK Assembly Enhances Detail for Solar Photography Available Pre-Installed...

Magnification: 3X Dedicated Compatibility: Designed specifically for the Antlia Solar Discover 5Å CaK assembly Flexible Integration: Available ...

5X Magnification: Increases image scale for imaging plage, light bridges and sunspots. Dedicated Design: Designed specifically for the Antlia So...

Adjustable aperture from 2.0mm to 25mm Designed for the Antlia Solar Discover 5Å CaK Assembly 1.25" adapter Helps filter out stray light to enhanc...

Isolates the Calcium K-line (CaK) at a central wavelength of 393.3nm Narrow 3nm bandpass designed to maximize contrast for high-resolution solar i...

50mm extension tube for more back focus Offered for the Antlia Solar Discover 5Å CaK assembly Helps reach focus when the 5Å CaK assembly is used w...

70mm extension tube for more back focus Helps reach focus when the 5Å CaK assembly is used with a Barlow lens Offered for the Antlia Solar Discove...

For high-resolution solar imaging with refractors only: aperture no larger than 120mm or f/5.5 or longer 35mm Herschel prism: a design well known ...

Isolates the 393.3nm Calcium-K emission line for high-contrast solar imaging Ultra-narrow 3nm bandpass designed to maximize imaging contrast of su...

5Å (0.5nm) Ultra-Narrow Bandpass Filter Centered on the 393.3nm Calcium II K-Line 12mm Clear Aperture Refractors up to 100mm Aperture Without Extr...

Dualband design passes both H-alpha (656.3nm) and CaK/CaH (393nm) wavelengths Wide 25nm FWHM bandpass with over 90% peak transmission in both band...

Passes Ha (656.3nm), CaK (393.3nm), and CaH (396.8nm) wavelengths Without extra light reduction, for refractors up to 100mm aperture only Comes wi...

Passes Ha (656.3nm), CaK (393.3nm), and CaH (396.8nm) wavelengths Without extra light reduction, for refractors up to 100mm aperture only Comes wi...

Optical Density 5.0 AstroSolar Safety Film Enables direct, safe viewing of the Sun Available in 50mm, 60mm, 70mm, 80mm, and 100mm clear aperture m...

Optical Density 3.8: Specifically engineered for high-speed solar photography, not visual observation. Enables Short Exposures: Allows for shutt...

Optical Density 5.0 for safe, direct visual solar observation Does not degrade optical wavefront, preserving sharpness and contrast Available in m...

Optical Density 5.0 for safe, direct solar viewing Available in 7 sizes from 50mm to 150mm Fits spotting scopes, binoculars, and small telescopes ...

Enables safe, high-resolution solar viewing and imaging Optical Density 5.0, blocking 99.999% of sunlight Available in apertures from 80mm to 280m...

Calcium GEN-II Solar Filter 1.25" Barrel Size Reveals Chromospheric Detail Camera-Use Only (Not for Visual) Requires Full-Aperture Pre-Filter D...

2" Herschel wedge prism for white-light solar observation with refractors One-sided Phantom Coating Group anti-reflective coating Ceramic solar fi...

Full-aperture solar energy rejection filter Required for use with rear-mounted H-alpha etalon systems Advanced, hard dielectric IR-cut coatings Pr...

Available for 50, 60, 70, 80 & 100mm Aperture Binoculars AstroSolar® White-Light Film Optical Density (OD) 5.1 for Visual Safety Clear, Neutra...

Available in seven sizes from 50mm to 150mm for spotting scopes, binoculars, finders and small telescopes Optical Density 5.1 for safe, direct vis...

Available in nine sizes from 80mm to 280mm (ASTF 80 to ASTF 280) to suit your telescope AstroSolar® Safety Film with Optical Density 5.1 Diffracti...