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The following opinions have been automatically translated with Microsoft Translator. | Pentax SMC Super Takumar 135mm f/2.5 Pros: Sharpness monstrous, even at TA, blurred gradual and creamy, build quality Cons: no, unless you require autofocus, apart from a physiological chromatic aberration in whole Opening Opinion: 135 2.5 exist in 3 versions M42 and a bayonet in Pentax. What you describe is the legendary 6 elements in 6 groups, in 1972, a real bomb precision optics and mechanics, whose fame has convinced me to purchase. I was a bit 'skeptical and I thought, well, it's still a perspective of 43 years ago, will not be as good at the height of optical contemporary ... but, since the early raw I had ricredermi.rnDavvero surprising, not So I can only confirm what you read about. I stress again that I'm talking about the version with optical scheme of 6 elements in 6 gruppi.rnEcco, if we want to find fault ... We say that the lens hood screw is not practical. sent on March 29, 2015 |
 | Tamron SP 70-200mm f/2.8 Di LD Pros: Sharpness, optical quality, low price Cons: ultrasonic autofocus not / not stabilized if need these features is not the lens for you Opinion: And 'the 70-200 2.8 is perfect for those who have no need for speed Focus "sports". Its fields of application of excellence, at least for me, are the portrait, landscape and the video (in addition to all the situations that you can study a minimum, or where the subject does not move quickly and unpredictably) . Not that the autofocus is slow, but besides not being Ultrasonic is also quite rumoroso.rnPrima buying it, I tried it side by side with the Canon 70-200 2.8 IS the first series, and since they were equivalent in the results, I have chosen the Tamron because, in fact I had no need for ultrasound and stabilizer. A lens of commercial success, much appreciated by anyone who has owned ... so that Tamron continues to sell it again despite the introduction of the excellent evolved version with USD and VC, much costosa.rnQualità without compromise and without options. Highly recommended. sent on March 29, 2015 |
 | Olympus OM Zuiko 85mm f/2 Pros: Nice transition between focus and out of focus, natural colors, great for portraits at f2-2.8, very sharp from 2.8 to f11 on full frame Cons: chromatic aberration at f2 in contrasting situations Opinion: I have the version "silvernose", which is the first generation that has a lower coating multicoated later versions (which are composed of 5 elements in 4 groups). I chose this version for its ability to move in a delicate from fire zones to those of fuorifuoco, a typical capacity of the schema that returns a Sonnar bokeh soft and natural. Great skin tone in my avviso.rnQuindi great portrait lens, but small apertures I used successfully for landscapes. F8 seems to return the highest sharpness, but even at 2.8 is a lama.rnIl its weak point is the presence of chromatic aberration in high-contrast situations in apertures, typically the sun's reflection on the water, but nothing extraordinary, correctable in post and in line with its competitors also moderni.rnOvviamente a lens hood always helps. sent on October 28, 2014 |
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