Solar Neutral Density Filter K&F CONCEPT ND100000 for Eclipse Photography, 72 mm (KF01.2516)

The Solar Neutral Density Filter K&F CONCEPT ND100000 for Eclipse Photography, 72 mm is a dedicated solar filter designed to provide very high attenuation for safe imaging of the Sun. It fits lenses and optical instruments with a 72 mm front filter thread and reduces incoming light to levels appropriate for photographing solar disks, eclipses, sunspots and planetary transits. The filter is intended for use with cameras and telescopes that accept 72 mm threaded filters and is manufactured to deliver uniform darkening across the imaging field while preserving contrast for detailed solar features.

Advantages

This ND100000 solar filter delivers extreme light reduction to allow direct imaging of the Sun while protecting camera sensors and optics from excessive exposure. The threaded 72 mm design offers straightforward attachment to compatible lenses and some telescope visual and imaging adapters, ensuring a secure fit. The filter provides neutral colour response to maintain natural tonal rendering of the solar disk and its surface features, and it is produced to minimise hot spots and uneven illumination so that details like sunspots and limb darkening remain visible.

Suitable for

• Photographing solar eclipses and partial eclipses
• Capturing sunspots and solar surface details
• Transit events involving bright solar background (Mercury, Venus)
• Solar imaging with DSLR, mirrorless cameras and small refractor telescopes that accept 72 mm filters

Key specifications

• Filter type: Solar neutral density (high attenuation)
• Optical density: ND100000 (extreme attenuation for direct solar observation/imaging)
• Mount: Threaded filter, fits 72 mm front filter threads
• Material: Optically coated neutral density element with rigid frame
• Compatibility: Designed for photographic lenses and optical tubes that accept 72 mm filters

How to use

Before any direct solar imaging, securely attach the threaded 72 mm solar filter to the front of your lens or telescope tube that has a matching 72 mm thread. Verify the filter is firmly seated and unable to be dislodged during use. Compose and focus using a live view or through an eyepiece with appropriate camera settings; use low ISO and fast shutter speeds as required by the extreme attenuation. Do not attempt to view the sun through an unfiltered optical viewfinder. When used on a telescope, ensure the filter is placed at the front aperture and never at the eyepiece end.

Usage recommendations

Always inspect the filter for damage or defects before use. Do not use this filter with optical systems that lack a secure means of attachment, and never look at the Sun through optical devices without the filter in place. For best results, stabilise the camera or telescope on a tripod, check focus on a reduced-size live-view image, and bracket exposures to capture optimal detail across highlights and shadows of the solar disk.