 Posted: Fri Apr 17, 2015 9:08 pm Post subject: Classic Tamron 300mm f5.6 adaptall/adaptamatic shootout |
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marcusBMG wrote:
Since I happen to have all three of the tamron 300mm f5.6's I have decided to do a bit of a shootout.
These are the three lenses: adaptamatic ; Adaptall CT300; Adaptall-2 SP 54B. The adaptamatic is pretty distinctive, early adaptalls can always be distinguished from adaptall-2's/SP's by the rubber grip: faux croc vs lined or dimpled.
[table][tr][th]lens[/td][th]optics[/th][th]CFD[/th][th]filter[/th][th]Iris[/th][th]weight[/th][th]length[/th][/tr]
[tr][td]Adaptamatic[/td][td]4 elements/2 groups[/td][td]2.5m[/td][td]62mm[/td][td]9 blades "star"[/td][[td]795g[/td][td]20cm[/td][/tr]
[tr][td]Adaptall CT300[/td][td]4 elements/4 groups[/td][td]2.5m[/td][td]58mm[/td][td]6 blades[/td][[td]580g[/td][td]16cm[/td][/tr]
[tr][td]Adaptall-2 SP 54B[/td][td]6 elements/5 groups[/td][td]1.4m[/td][td]58mm[/td][td]6 blades[/td][[td]610g[/td][td]17cm[/td][/tr][/table]
There are 3 slight variants of the adaptamatic, mine is a later one with a rubber grip, the earliest ones have a milled focus ring. There is also an adaptall version of this lens - the very first adaptalls were modelled straight from the adaptamatics, but were then superceded by new models like the CT300.
Test one: sparrows.
Range: 6-9m approx. Camera: Samsung NX20, 20MPx, 400 or 800ASA. Superfine jpg's, only pp levels/exposure/WB tweaked or equalised as necessary in LR3, otherwise out of the camera. I took a score or so shots with each lens, wide open and 3 clicks stopped down (f9), and selected the best for comparison. Click on the thumbnails to go to the full sized images.
Adaptamatic
   
CT300
   
54B
  
  
Would you like to offer a running verdict/score?
Next test: church clock tower.
_________________
pentax ME super (retired)
Pentax K3-ii; pentax K-S2; Samsung NX 20; Lumix G1 + adapters;
Adaptall collection (proliferating!) inc 200-500mm 31A, 300mm f2.8, 400mm f4.
Primes: takumar 55mm; smc 28mm, 50mm; kino/komine 28mm f2's, helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 105mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock... |
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