The camera filters, are an excellent value, compared to many similar Tiffen and brand H Multicoated camera filters; Sunpak DHG filters are made of solid Japanese optical glass in Japan. The rings on the DHG filter products proven now for 4+ years of use by 2filter.com testers and 2filter's thousands of customers are as good as any world class filter maker. Quality has always been very important to us, at The Filter Connection / 2filter.com. We know Sunpak DHG camera filters are worthy of your comparison.
Your full frame high megapixal cameras deserve DHG quality
The Tech People at 2filter.com