Thanks, I'll dig around and see what I can find. If I find anything I'll post it here.
Don > -----Original Message----- > From: graywolf [mailto:[EMAIL PROTECTED] > Sent: Monday, February 27, 2006 6:14 PM > To: [email protected] > Subject: Re: Eyepiece Diopter Question > > > Don't really know, Don. > > My experience is that to avoid having to use the bifocal area of my > glasses I need a +2.0 diopter on the ME Super, but nothing on the MX. So > I would guess that the overall magnification of the MX is a bit higher, > say +1, or +1.5, than that of the ME Super. Seems there is more involved > in viewfinder magnification than just the eyepiece diopter. > > Interesting about the opticians. Might check with one of the mail order > surplus optical places --is Edmund Scientific still in business?-- to > see if they could supply an appropriate diopter you could grind down to > size. Also you might look in your yellow pages for "Optical Labortories" > none in Boone but there were a few in Charlotte one of them might be > better equipped to make a custom diopter than your local retail optician. > > It is funny how things are so much cheaper (reletive to wages) than they > were in the past, but it is so much harder to find what you need. > > graywolf > http://www.graywolfphoto.com > http://webpages.charter.net/graywolf > "Idiot Proof" <==> "Expert Proof" > ----------------------------------- > > > Don Sanderson wrote: > > I've been meaning to ask this for a while but keep forgetting. > > > > Most of Pentax's film bodies, the ME-Super and MX in particular, > > are listed as having -1.0 Diopter eyepieces. > > On the MES adding a -3 for my right eye, or a -4 for my left eye > > is about perfect. > > On the MX a -4 is way too much for my left eye (headache too > > much) but a -3 isn't enough for my left eye. > > My prescription 'distance' glasses are -4.25 left, and -3.75 right. > > > > 1. Does anyone know why the MES and MX are so different > > though both are listed as being -1? > > > > 2. Am I wrong in thinking what I'm doing should result in -4 or > > -5 diopter correction, depending on whether I use the -3 or -4? > > > > 3. Does anyone know where I could get custom diopters made? > > None of the opticians I've asked can deal with lenses this small. > > (About 13mm x 18mm) Actually _none_ of them can deal with > > glass lenses at all anymore, just plastic. ;-( > > > > Big TIA > > Don > > > > >
