Top critical review
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Fell apart within minutes
on 23 February 2017
I screwed this on to my lens and all seemed to work well enough initially. Then I added a step-up ring and a 58mm lens hood to the front of it, and the hood, S-UR and most of the filter, including the glass, promptly hit the floor. The filter had been pulled apart [not unscrewed] by the weight of the not-at-all heavy lens hood. I don't think I was even touching it at the time and hood had only been on for a matter of seconds. Just the back ring remained screwed to the lens. I'd read that these Hoya filters can come apart if they land at the wrong angle if dropped but to just break while attached to the lens is a bit naff. There's a copper[?] ring, like a piston ring in a car's engine, that looks as if it's meant to hold the two halves together - indeed it appears to be the only thing that does - or, rather, should. As far as I can see it's in its proper place but not doing its job. No idea why not. Indeed, unless something is missing, everything looks to be in its rightful place, and there's nothing to adjust to make things more secure, so I can't understand what's wrong. They presumably can't all be so fragile.
The filter itself seems to work as well as I expected. Compared to an ancient linear Hoya polarizing filter [which never came apart] it does let a little more light through, though not as much as I'd expected and, more importantly, the focus and exposure seem to work more accurately than when using the old filter which predated the days of auto-everything. The anti-reflection coating is very much better too. Most surprisingly, though it obviously doesn't matter in the slightest, is that the new filter only works in one direction, looking through it the wrong way makes everything go blue or yellow as you turn it but doesn't kill reflections. Who knew? But however well it works I can hardly recommend it when it falls apart at the drop of a hat.
Why is everything so shoddily made nowadays?