Review of Haida Slot-In Filters
Review by: Scintillation
Besides our trusty tripod, landscape photographers would oftentimes carry a set of filters - be it slot-ins or screw-ons. For me, I opted for the former as I felt they provide more versatility in positioning the filters, especially the graduated neutral density (GND) ones. I've been using a mixture of Lee and Hitech 100mm slot-in filters for my main landscape lens - the Nikon 17-35mm - and was almost certain that Lee filters pack the most bang for the buck in the areas of resolution and colour casts, especially when compared with Hitech filters, so I was curious about how the Haida filters would match up against the venerable Lee system. Since I had issues with colour casts with my Hitech filters, especially when stacked, I was initially skeptical of the Haida filters. Nevertheless, I was eager to see how they performed, so I contacted Photosphere, and they kindly provided me with the Haida 3 and 10 stop slot-in ND filters.As such, I will be performing this review by comparing them directly with the filter kit I currently carry with me when shooting scapes. As I do not have a Lee 0.9 (3 stop) ND filter (or their more expensive Proglass counterpart), I will be comparing the Haida 3 stop filter with my Lee 0.9 GND reversed, in order to use the dark top half of the GND as a full ND filter.
Overview of the Filters
The Haida ND filters came packaged in a plastic box, much larger than their 100mm full ND filters (they seem to fit 150mm by 100mm filters, which possibly might be released in the future). Wrapped in a Haida lint-free cloth, they seemed reasonably well-protected against accidental knocks. Both the Haida 3 and 10 stop filters came with a stick-on gasket, which you may opt to apply onto the filter. I was also glad that both of them are made of optical glass, as glass filters fare much better optically than their resin counterparts, and they scratch much less easily. However, they are quite brittle, and would not handle a drop too well, unlike the resin ones.
I do wish that the Haida filters would come packaged in a soft pouch, like the Lee filters, as carrying the plastic filter holders they come in would be pretty inconvenient and cumbersome. As I had the Lowepro S&F filter pouch, this wasn't much of an issue for me as I usually carry my filters around using the pouch.
I'd also reckon that the Haida slot-in filters are multicoated (correct me if I'm wrong), since their circular screw-on counterparts do feature multicoating. As such, I was pleasantly surprised that fingerprints and marks are easily wiped off with the included cloth or a piece of cotton wool, unlike the notorious Hoya ND400.
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