Why Hoyarex filters are often scratched

The Hoyarex filter system was really good: high quality filters.. Great variety of options in the range. Some glass filters. Solid holder. And a really useful rubber hood. But the Hoyarex System had a big flaw! And that has become evident over the years as more and more filters become scratched. It’s not due to …

Hoyarex Skylight 1B filter

The Hoyarex Skylight 1B filter – cat number 011 – is one of the most valuable filters in the Hoyarex range, yet is often overlooked, because its not a special effect filter. But this underused filter will do two things to ensure your photography improves. Firstly, and most importantly, the filter is a lens protector. …

Hoyarex Filter System Guide

Hoyarex filters were arguably the best filter system made. Optically superb, several made from glass, solid filter holder, brilliant adjustable rubber hood for wide or super telephoto, and a useful range of filters. Hoyarex was a filter system developed by Hoya. Hoya was the big name in optical filters and then French manufacturer Cokin appeared …

Circular or Round filters?

Many new filter buyers are unsure whether to buy a round filter or one of the many square options. A round filter screws directly onto the front of your lens. A Square filter slides into a filter holder that has an adaptor ring matching the filter thread size of your lens. There are a few …

Diffraction filters explained

The diffraction filter is a special effect filter that can be found in a number of filter brands’ ranges. The diffraction filter creates spectacular rainbow coloured streaks or star bursts from highlights. Hoya made the effect popular back in the 70s with their group of filters called Spectral Star. The Hoya Spectral Star is a …