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REVIEW: Tamron Adaptall-2 28-70mm f/3.5-4.5 (44A)

Reviews
Posted by Bengt Köhler Sandberg 2014-04-14

Tamron Adaptall-2 28-70mm f/3.5-4.5
                              (44A)

Made between: 1986 to 1988

Specs:

Focal length:
28-70mm
Weight:
440g (with the PK mount)
Optical design:
8 elements in 8 groups
Mount:
Tamron Adaptall-2
Aperture:
f/3.5~4.5 - 22, AE (32)
6 bladed aperure
Covers:
Standard 35mm film size
(24×36 mm negative)
Closest Focus:
0.3m (1ft)
Filter Size:
62mm


Image quality


Analogue B&W film
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)


Bokeh
28mm              
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
               70mm
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)



Digital
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)


Bokeh
28mm              
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
               70mm
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)
Tamron
                                                          Adaptall-2
                                                          28-70mm
                                                          f/3.5-4.5
                                                          (44A)


Flare / Backlight
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A) Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A) Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)
Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A) Tamron
                                                      Adaptall-2 28-70mm
                                                      f/3.5-4.5 (44A)



More sample images can be found at:
http://www.sample-image.com/tamron-adaptall-2-28-70mm-f3-5-4-5-44a/



Filming
Tamron Adaptall-2
                                            28-70mm f/3.5-4.5 (44A)



Build quality

Quite a lot of plastic parts and apparently not the best build quality.
Feel and solidness is still okay.


Conclusion

Not too bad image quality for a zoom.
Wide open do have some purple aberration and a little glow.
But nothing too bad and sharpness sill quite nice.
Plus stop it down a little and it's nice all over.
And I find it to render quite nice with mostly good bokeh etc.
Distortion at 28mm can however be quite noticeable.

Build quality is a somewhat of a let down especially compared to the other adaptall lenses have tested so far.

But these are often find quite cheap and are still a very nice zoom lens.
So you do still get a lot of lens for your money.


Thumbs up:
Image quality (mostly stopped down)
Bokeh & Flare
Value for the money


Thumbs down:
Build quality
Distortion at 28mm


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Technical Info

Analogue
Scanner: Plustek OpticFilm 7600i
Film: Kodak Tmax 100
Developer: Kodak Xtol

Digital
Canon 500D with lens mount adapter
Auto White Balance and ISO 100

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