How do identify the matte 2-13? Any code on the matte?
Alain
VELUWEH@xxxxxxxxxx a écrit:
> Artur Chmielewski wrote:
>
> >Hi everybody!
> >I'm Olympus newbie, so please apologise these stupid questions.
>
> Maybe some answers can be stupid, but there is no such thing as a
> stupid question. That is, as long as you don't ask anything like "When
> will Olympus introduce a professional AF SLR camera?".
>
> >I would like to become more familiar with the Olympus focusing
> screens. You
> >often use the terms: 1-x, 2-x, what is really the difference between
> >them? I suppose they have different patterns, but does anybody can tell
> >me what patterns they have?
>
> There are 14 screens in the "1" series (1-1 to 1-14) and only 2 screens
> in the "2" series (the 2-4 and the 2-13). The "2" series screens have
> the same patterns as their "1" series counterparts, but the matte area
> is 2 stops brighter, enabling easier focusing under low light
> conditions or when using low-speed lenses; w/o modification they only
> fit in the OM-2Sp, OM-3(Ti) and OM-4(T[i]) because of the position of
> the tab.
> The 1-4 and 2-4 screens are all-matte, that is w/o any further focusing
> aids, the 1-13 and 2-13 "standard" screen have the split image and
> microprism focusing aids that darken when slow speed lenses are used
> (slower than F4).
> Personal opinion: once you learn how to focus just on matte, you won't
> use those "13" screens anymore - they force you to focus on the middle
> and then recomposition - undoing the faster focusing advantage that a
> focusing aid provides.
>
> To briefly describe the other "1" series screens (hope I make no
> mistakes, don't have a screen table available where I am right now):
> 1-1 and 1-2 have microprisms/matte; 1-3 has split image/matte; 1-5, 1-6
> and 1-7 have microprism/clear field (no matte); 1-8 has fine matte for
> astro/super tele; 1-9 works only with endoscopes; 1-10 has a
> 'checker'line pattern on matte "intended" for shift lenses; 1-11 has
> cross-hair and matte for macro up to lifesize; 1-12 has
> cross-hair/clear field (no matte) for macro larger than lifesize; 1-14
> is like the 1-13 but has a diagonal split image.
>
> >Another words - can I find the screen pictures somewhere in Internet?
>
> Don't know any sites that contain this, but I know it would be a nice
> add-on to Lee's superiour OM site. Maybe a scan of the table that
> accompanies a 2-4 or 2-13 screen, Lee?
>
> >My second question is: what about Beattie screens. I've heard they are
> much brighter than >the original Oly screens, I've heard too: they can
> fool meters in some cameras. Does it
> >happens in case of Olympus OM4?
>
> This only applies to the OM-1, and OM-2 in manual mode. They can be
> used in the OM-4(T[i]) without any restrictions, but I'm not quite sure
> they are really brighter that the Olympus "2" series; they are
> certainly more expensive. Are there any subscribers that have
> experience with both the Beattie's and the "2" series?
>
> Hans
>
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