Photography Equipment

Ergonomics



In this forum of binoculars we discussed about optics and brands so many times that one could think ergonomics are only a side issue for birdwatchers. On the other hand I think most of us know by practical experience about its importance.
One main property of a product that was designed by engineers with ergonomics in mind is its capacity to adapt to the user’s need. Well known elements of ergonomics at binoculars are the adapt ion mechanisms for focus, IPD and dioptre. These features come with binoculars for many decades now. One of the last innovations in respect of ergonomics introduced some years ago are twistable eyecups that allow the user to adjust the needed position for his eyes behind the eyepieces.

But now, is this the end of the story? No further development in ergonomics of binoculars needed? I don’t think so. Which improvements in respect of ergonomics would you like to see with binoculars in the future?

Steve


Here are some suggestions by Ronald:
http://www.birdforum.net/showpost.p...47&postcount=19


Great question! So much attention is placed on resolution that we often overlook the importance of ergonomics (and other things, like field of view). For me focusing is really important, partly because I have a repetitive strain injury that make it difficult for me to deal with focusing problems. But focusing is also an aesthetic issue for me. It is a great pleasure to use a binocular or spotting scope with a silky smooth focusing mechanism. I've always been curious about why it seems so hard for manufacturers so get the focusing right. I use microscopes for my work, and have never had a problem with rough focusing or too much play in the mechanism, yet these are common problems with binoculars and spotting scopes. Why is that? What is it about binocular and scope design that makes it hard to get good focusing mechanisms? My old Zeiss 10x40 BGAT have at least 5mm of play in the focus knob. I've used Leica trinovids that have had even more. I tried 3 pairs of Leica Ultravids and would have bought a pair on the spot if it wasn't for the rough and stuttering focus mechanism. Interestingly, most of the inexpensive binoculars I have used have very smooth focusing mechanisms, so I suspect it has something to do with roof prism binocular design and waterproofing, but I don't know enough to sort it all out. I'd love to hear an explanation of the difficulties from an engineering standpoint. I think Leica and Swarovski have come the closest to perfecting the other aspects of ergonomics for me, but focusing mechanisms are still an issue that needs work.

Bruce


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