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Re: [OM] Zuiko 28mm/f2.0: Shades & Coatings

Subject: Re: [OM] Zuiko 28mm/f2.0: Shades & Coatings
From: frieder.faig@xxxxxxxxxxxxxxxxxxxxxxxxx
Date: Tue, 13 Jun 2000 15:39:08 +0200
On Sat, Jun 10, 2000 at 11:59:56PM +0000, John A. Lind wrote:

> 
> Of related interest I dredged out a lens brochure circa 1980 that came with
> the OM-10 I bought:
> 
> Brochure C65E-380D:
I`m collecting informations like this, to figger out, how the zuik`s changed 
over the time.
I have two brocures  on from 5/1978 the other from 5/1982.

Lens overview from  Brocure from 5/1978 (IEMZLG 0578 30MT): 
 ----------------------------------
 Type           Lens            MC? *
 ----------------------------------
 Fisheye          8mm f/2.8
                 16mm f/3.5
 ----------------------------------
 Super Wide      18mm f/3.5      Y
 Angle           --------        
                 21mm f/3.5
                 24mm f/2        Y
                 24mm f/2.8
 ----------------------------------
 Wide Angle      28mm f/2        Y
                 28mm f/3.5
                 35mm f/2        Y
                 35mm f/2.8
                 35mm f/2.8 Shift
 ----------------------------------
 Standard       55mm f/1.2
                50mm f/1.4        
                50mm f/1.8 (old 6-5 version)
                50mm f/3.5 Macro Y
 ----------------------------------
 Zoom           -----
                75-150mm f/4
                -----
 ----------------------------------
 Telephoto        85mm f/2 ( old 6-4 version)     
                 100mm f/2.8
                 135mm f/2.8     Y
                 135mm f/3.5
                 -----
                 200mm f/4       Y
                 200mm f/5
 ----------------------------------
 Super           300mm f/4.5
 Telephoto       400mm f/6.3     
                 600mm f/6.5      
                1000mm f/11       
 ----------------------------------
 Bellows          20mm f/3.5      
 Macro            38mm f/3.5      
                  80mm f/4        (old version)
 ----------------------------------


> Your Brocure from 3/1980:
> ----------------------------------
> Type          Lens            MC? *
> ----------------------------------
> Fisheye         8mm f/2.8
>                16mm f/3.5
> ----------------------------------
> Super Wide     18mm f/3.5      Y
> Angle          21mm f/2        Y
>                21mm f/3.5
>                24mm f/2        Y
>                24mm f/2.8
> ----------------------------------
> Wide Angle     28mm f/2        Y
>                28mm f/3.5
>                35mm f/2        Y
>                35mm f/2.8
>                35mm f/2.8 Shift
> ----------------------------------
> Standard      55mm f/1.2
>               50mm f/1.4       Y
>               50mm f/1.8
>               50mm f/3.5 Macro Y
> ----------------------------------
> Zoom          35- 70mm f/3.6   Y
>               75-150mm f/4
>               85-250mm f/5     Y
> ----------------------------------
> Telephoto       85mm f/2       Y
>                100mm f/2.8
>                135mm f/2.8     Y
>                135mm f/3.5
>                180mm f/2.8     Y
>                200mm f/4       Y
>                200mm f/5
> ----------------------------------
> Super          300mm f/4.5
> Telephoto      400mm f/6.3     Y
>                600mm f/6.5     Y
>               1000mm f/11      Y
> ----------------------------------
> Bellows         20mm f/3.5     Y
> Macro           38mm f/3.5     Y
>                 80mm f/4       Y
> ----------------------------------

Lens overview  Brocure from  5/1982 (IEMZLG 0582.25 MT) :
 ----------------------------------
 Type           Lens            MC? *
 ----------------------------------
 Fisheye          8mm f/2.8
                 16mm f/3.5     Y
 ----------------------------------
 Super Wide      18mm f/3.5      Y
 Angle           21mm f/2        Y
                 21mm f/3.5     Y
                 24mm f/2        Y
                 24mm f/2.8     Y
 ----------------------------------
 Wide Angle      28mm f/2        Y
                 28mm f/2.8!     Y      
                 35mm f/2        Y
                 35mm f/2.8      Y
                 35mm f/2.8 Shift
 ----------------------------------
 Standard       55mm f/1.2
                50mm f/1.4       Y
                50mm f/1.8      Y (old 6-5 design)
                50mm f/3.5 Macro Y
 ----------------------------------
 Zoom           35- 70mm f/3.6   Y
 Zoom           35- 70mm f/4             Y
                75-150mm f/4
                85-250mm f/5     Y
 ----------------------------------
 Telephoto        85mm f/2       Y (new 5-4 design)
                 100mm f/2.8     Y
                 135mm f/2.8     Y
                 135mm f/3.5
                 180mm f/2.8     Y
                 200mm f/4       Y
                 200mm f/5      Y
 ----------------------------------
 Super           300mm f/4.5    Y
 Telephoto       400mm f/6.3     Y
                 600mm f/6.5     Y
                1000mm f/11      Y
 ----------------------------------
 Bellows          20mm f/3.5     Y
 Macro            38mm f/3.5     Y
                  80mm f/4       Y  (new design)
                  135mm f/4.5    Y  
 ----------------------------------
 Telekonverter  2xA
 ----------------------------------

> * Most of the faster lenses listed above eventually became MC lenses.  If
> your lens is an "MC" and it doesn't show a "Y" in the table, it's because
> it wasn't an "MC" in 1980 and you have a later version of the lens.  If
> your lens isn't an "MC" but the table shows a "Y" for it, then you have an
> earlier version of the lens.

Yes, but as soon as all lenses got MC, the later  MC versions were`nt marked 
any-more.
MC was regarded as standart. When has this change happend?
> 
> Notably missing in 1980 leading me to conclude they are newer designs:
>  24mm f/3.5 Shift     -> late 1984
>  28mm f/2.8           -> early 1981
>  28-48 f/4 Zoom       -> middle 1992
>  35-70 f/3.6, -> middle 1978
>  35-70 f/4,           -> early 1981
35-70  f/3.5~4.5,       -> 84-85 ?
35-70  f/3.5~4.8 Zooms  ----> 199?
>  35-80 f/2.8  -> 1994 PHOTOKINA with OM3 Ti
>  35-105 f/3.5~4.5 Zoom        -> beginning of 1993
>  All zooms with a long end above 150mm
4/65-200                -> End 1984
5/85-250                -> mid 1978
5/100-200               -> mid 1982 
>  40mm f/2             -> End of 1983
>  50mm f/1.2           -> End of 1982
>  50mm f/2 Macro       -> End of 1984  
>  90mm f/2 Macro       -> ?? 1996 
>  100mm f/2            -> announced 1975,  realised1984  :-)  
>  135mm f/4.5 Bellows Macro    -> 1980 with the Auto-Macrotubus
 4/80 1:1 Auto Macro, new design        -> 1980
>  All of the faster Bellows Macro lenses -> mid 1983
>  All the super-speed, super telephoto lenses
 180 f/2        -> mid 1985 ??
 250 f/2        -> early 1985
 350 f/2.8      ->end 1984

 180 f/2.8      -> mid 1978

> No mention is made of the 2X-A or 1.4X-A Teleconverters.
  2xA   -> early 1981 
1.4xA   -> end 1984 ?

> Extension tubes may have existed then but are not in the brochure.
Yes, and they changed from non-auto to auto. 

This are the results of my obervations. Comment, correction and adittion`s are 
welcome.

Frieder Faig 
> 
> -- John

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