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09-02-2008, 12:33 PM   #1
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Which FA 28-105 is which?

I like the range of the 28-105, but I'm confused on which is which. Adorama and B&H both have 'em, but different designation, and the Forum database has two other images of different 28-105s as well.

I want to get the best of them, but am now confused by the images being shown for each, and could use some assistance:

I'm assuming the Forum lens database 28-105 f/3.2-4.5 IF (#1 below) and the Adorma 28-105 (#2 below) are the same:


The Forum database has another 28-105 f/4-5.6 (#3 below) that is rated at 9.0 but it is obviously not the same as the B&H 28-105 f/4-5.6 (#4 below)




09-02-2008, 12:39 PM   #2
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i have no personal experience but so far as i have heard, the last two are the same as eachother, except one (i'm not sure which) has powerzoom.

the first two are the same as eachother (there is only one lens with f3.2) and this is the best(?) of the three variations.
09-02-2008, 01:44 PM   #3
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SMCP FA 28-105 zoom variants

B. Dimitrov lists three (five if you count color variations).

See here Pentax Zoom Lenses with Short Focal Lengths
  1. SMC PENTAX-FA 1:3.2-4.5 28-105mm IF & AL
    1. Produced in silver and black versions beginning in 2001. Both are listed as still in production
  2. SMC PENTAX-FA 1:4-5.6 28-105mm
    1. Produced 1992 - 1999
  3. SMC PENTAX-FA 1:4-5.6 28-105mm IF
    1. Produced in silver/black and black versions from 1999 - 2002
    2. Lens designed and possibly produced by Tamron, but with genuine Pentax electronics and Pentax SMC coating
J. Colewell - SPLOSdb rates all three versions ** (Very Good)

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