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| sent on 03 Novembre 2013
Pros: The 20mm F4, and a lens of excellent quality, has made uniform between the center and the edges, especially on common diaphragms, F5, F11 to 6, with no peaks but very homogeneous, which for a wide-angle and 'important. Another strength of the F4, and 'step standard Nikon 52mm filters, so weight and size, are very low, like a 50mm. Price, as lens quality, accessible.
Cons: The lens hood giant, has pushed a contrast, and vignetting contained on film, but because of the architecture of the digital sensors a little 'vignette, especially on FF, but then easily correctable. Of course not 'a AF, but in my opinion, the wide angle is not' so important.
Opinion: The lens was put into production in 1974, and remained on the market for only four years, two years and two F bayonet type AI, many specimens (like mine) are modified for the new F AI cameras, outputs in those years. This lens begins a new course of the history of Nikon optics has on his shoulders the legacy of the famous "frying pan" 20mm F3, 5, legendary at the time, but now buyers require more modern lenses and read, but quality, and two do not go hand in hand. Pero '20mm F4 still has a very good quality, as I said before, his strength and' uniformity in yield between the center and edges, especially the common working diaphragms, F5, F11 to 6, with no peaks, but very homogeneous, which in my opinion on a wide angle and 'important. In fact, after this F4, F3 un'altro20mm doors, 5, but it was not appreciated by the yield mediocre at the edges, but then every era has its own way of thinking about surrender. I used this lens with the FM2 and also with F100, and the result was really excellent, now use the D700, I've got to try it well, but that pocor that I used, I was satisfied. Today with digital, many prefer optical contrast, keep in mind, that at the time the contrast was used to mask the flaws, a lack of clarity, in fact if you feel the optics are all Russian contrast, the optical Leitz old school, year high risolvenza and contrast medium (but very microcontrast = separation of tonality, what goals can only be reached with a few lenses but with high transmittance). All the best, Nicholas |
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