Archived posting to the Leica Users Group, 2009/07/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jim, I just looked in The Leica Collectors Guide (Laney) There was one for near or short sightedness - OKBZO (1951) and one for astigmatism OKVCO (1960) Cheers Douglas James Laird wrote: > Did Leica make diopters for the viewfinder of the IIIg? > > Jim > > On Tue, Jul 7, 2009 at 1:31 AM, Dennis<dennis at hale-pohaku.net> wrote: > >> Understand that the LTM cameras with a built in rangefinder have a >> separate >> window for the rangefinder and viewfinder. It it the rangefinder window >> that >> has a diopter adjustment, not the viewfinder. >> >> They pretty much had to put the diopter adjustment on the rangefinder >> because it magnifies 1.5x it's really a focus adjustment for what can be >> looked at as a low magnification telescope. >> >> Note that the IIIg viewfinder is 0.7 magnification and of course has >> illuminated lines to indicate both the 50mm and 90mm field of view with >> parallax correction. If you don't use eyeglasses and can see the entire >> field of view through the finder it's close enough to serve for use with a >> 35mm lens. >> >> The M3 was introduced in 1954 and the IIIg in 1957. As much as anything I >> think the IIIg was in response to photographers that liked the smaller >> size >> of the LTM models and that felt the price of the M3 was too dear. When >> Leica >> designed the finder for the M2 they reduced the cost significantly and >> that >> pretty much took away the cost reason and most photographers realized the >> M >> was a better solution thus the IIIg was discontinued. >> >> James Laird wrote: >> >>> Makes you wonder why they left it off the M series. >>> >>> Jim >>> >>> On Mon, Jul 6, 2009 at 11:43 AM, Douglas Sharp<douglas.sharp at gmx.de> >>> wrote: >>> >>> >>>> Hi Jim, >>>> >>>> there's a little lever under the rewind knob to adjust the diopter >>>> setting, >>>> on my IIIg it's a little loose and easily knocked of setting. >>>> I think the range must be about -2 to +2 >>>> >>>> Cheers >>>> Douglas >>>> >>>> James Laird wrote: >>>> >>>> >>>>> I read somewhere the IIIg viewfinder has built-in diopter adjustment. >>>>> Is this true? >>>>> >>>>> Jim >>>>> >>>>> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >