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Re: [OM] Distortion in 35/2.8? And some instruction booklet thoughts.

Subject: Re: [OM] Distortion in 35/2.8? And some instruction booklet thoughts.
From: "Thomas H. Hogan" <flzhgn@xxxxxxxxxxxxx>
Date: Sun, 25 Jan 1998 07:48:25 -0800
Fellow "Olympians",
  I wonder if it would be possible to get Olympus' permission to post
these
  out of print manuals on a section of the proposed Olympus user Gallery
?
  Perhaps Olympus could provide a web space for "On-line" manuals.
                                                        
                                                Hank 

Lars Haven wrote:
> 
>
> 
> I have a lens manual similar to the one you refer to (got it with my OM2n) and
> I have examined the pictures you mention:
> 
> On page 22, the picture is obviously taken with the camera tilted downwards,
> which accounts for the "twisted" look of both the wall and the pillars. The
> roof header appears to slant to the left, which I think it really does for
> two reasons: 1. there is an obvious angle compared to the lamp suspended from
> the roof. 2. All lenses have some distortion, but the Zuikos are in my
> experience far from as bad as required to get that kind of effect. Nor would
> Olympus choose a picture with obvious lens errors for a promotion publication.
> The picture is obviously chosen for the distinct wide angle lens effects, as
> it should be.
> 
> The shift demonstration on page 27 simply suffers from the camera not
> being perfectly vertical. Note how the building is slightly wider at the
> base (use a ruler, it's about 3 millimeters difference.) My guess is that
> the 35mm could not be shifted quite enough to get the composition right.
> They solved that with the 24mm shift, probably because it turned out to be
> hard to be allowed to demolish the upper stories of the demo subject :-)
> Also, as you note, the picture is slightly tilted to the right, but that may
> be a repro problem, as it seems to be OK in an older version of the booklet.
> 
> By the way, it is interesting to note the development of these booklets:
> In 1979 my new OM1 was accompanied by both the instructions manual and the
> lens manual in "large" format (17.5 by 12.5 centimeters), both in English and
> Danish translation. When I got my OM2n in 1982 the manuals had been reduced
> in size and the specification details in the lens manual had been omitted,
> along with the translated version. Finally, in 1997 the OM4Ti was delivered
> with only the instructions manual.
> Other manuals have been available: I have the flashphoto group manual and the
> motordrive group manual (don't remember where I got them), but I somehow doubt
> that these are available anymore.
> It would seem that the emphasis on selling acessories for the OM system has
> been reduced over the years. Or are these booklet just a lot more expensive
> than one would expect?
> Comments anyone?
> 
> Regards
> Lars
> 
> --
> Lars Haven  <lhaven@xxxxxxxxxxxxx> aka <lhaven@xxxxxxxxxxxx>
> "When writing about women, one must dip one's pen in a rainbow"
>                                                     D. Diderot
> 
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