Kase K9 90mm Magnetic Slim CPL

The primary benefit is reducing glare and reflections from non-metallic surfaces, and increasing color saturation for more vibrant skies and foliage.

No, this filter is specifically designed for the Kase K9 Magnetic Kit Holder Systems and requires the Kase 90 mm magnetic lens adapter ring. It is not compatible with other systems.

Use a clean, soft microfiber lens cloth. For tougher smudges, apply a small amount of lens cleaning solution to the cloth, not directly to the filter, and then wipe gently.

The 'Slim' designation refers to the filter's low profile, designed to minimize potential vignetting, especially when used with wider-angle lenses.

Circular polarizing filters can sometimes impact autofocus accuracy on certain camera systems. If you experience issues, consider switching to manual focus or pre-focusing.

No, this is a magnetic filter designed exclusively for the Kase K9 magnetic system and is not a direct replacement for a standard screw-in filter.

Superwhite glass is a high-quality optical glass used in this filter to ensure excellent clarity, high light transmission, and minimal color distortion.

Ensure the Kase K9 magnetic lens adapter ring is clean and free of debris. Verify that you are using the correct K9 magnetic system and adapter.

While slim, extreme wide-angle lenses may still show some vignetting. Try removing the filter or using it on a less wide focal length. Ensure no other filters are stacked if not using the K9 system.

Circular polarizers can sometimes interfere with autofocus. Try pre-focusing or switching to manual focus mode if autofocus struggles.

Ensure the Superwhite glass is clean. If the issue persists, verify the filter is functioning correctly by comparing with and without the filter. Check for any damage to the glass.