kjelle's reviews
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Tamron 28-75mm f/2.8 XR Di LD Aspherical IF SP AF
5 out of 10 points and not recommendedcheap, small, IQmecanically weakI am a Pentax K10D user. I bought this to replace the kit lens.
reviewed October 27th, 2008 (purchased for $410)
The first one had some kind of front/backfocus problem so it was sent back, the second i got after a week had some centering fault i beleive and now i am waiting for the third lens.
I'we got my third lens and it was allright between 50-75 but between 25-50 very soft and the camera couldnt focus properly at distances over 2m on shorter distances i was ok. Even this lens was sent back.
Now i have got both my camera and lens calibrated but it is not what i hoped for and not as good as the test here shows, its sharp in the center from f2,8 and from f4 its almost sharp overall but the contrast i not what i have expected.
They who have problems with sharpness with this lens I would reccomend to calibrate both the camera and lens.
After using my lens for several months now i have reeditet my review, the lens overall i a dissapointment, its useful but nothing to rave about
I belive that the quality is very uneven, there can maybe be good lenses but there are many poor lenses too.
Kjell -
Tamron 70-300mm f/4-5.6 Di LD Macro 1:2 AF
9 out of 10 points and recommendedVery good at f8, small and lightpurple fringing, soft at the long endI use this lens on a Pentax K10D
reviewed October 28th, 2008 (purchased for $210)
After reading much reviews i found out that this lens can be veery sharp if you use it the right way and produces very good images.
Mostly i use it at f8 and 70-150 where it is at its best.
Kjell -
Pentax 50-135mm f/2.8 ED AL IF SDM SMC DA*
10 out of 10 points and recommendedIQ, SDMAF a little on the slow sidePros:
reviewed May 12th, 2009
IQ
Color and Contrast
SDM
Cons:
AF a little on the slow side
A very nice lens i can reccomend, its not too heavy and the feeling is really proffessional.