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22 Ιουλ 2016 · This article is an evaluation of the old manual focus 20mm f/4.0 lens that has been AI-converted. The conversion makes it possible to get automatic exposure on the better Nikon digital cameras, including the D610 with an FX sensor.
4 Ιουλ 2024 · With increased processing capability, producing automated lens designs using Artificial Intelligence (AI) approaches is becoming a viable alternative. Therefore, it is noteworthy that a comprehensive review addressing the latest advancements in using AI for starting-point design is still lacking.
The manual-focus Nikon 20mm f/4 works great with most Nikon cameras, 35mm and digital — if it's either the newer AI version, or has been updated to AI.
22 Σεπ 2010 · The Voigtländer 20mm f/3.5 and Nikon 16-35mm f/4 VR are best at larger apertures where performance differs the most among lenses, while the Nikon 20mm f/2.8 AI-s is the best when shot at the apertures where we'll usually be shooting it.
26 Οκτ 2014 · It’s Nikon’s Nikkor 20mm F/3.5 AI-S. Made in 1981, this thirty-odd-year-old lens remains one of the best wide-angle lenses for the F mount system, and is a serious contender for adapted mirror-less ultrawide of the year.
24 Νοε 2020 · The Nikkor 20mm f/3.5 is a truly remarkable lens, capable of rendering beautiful images with a tridimensional feel and very good contrast.
See Nikon NIKKOR 20mm 1:3.5 Ai-S Lens Review, a lens with identical optical performance. In 1967, Nikon introduced the Nikkor 20mm/3.5 UD lens, and they made about 40,000 of these wide angle lenses. Optically, these lenses were not great. In 1974, Nikon replaced it with the 20mm/4 which took 52mm filters but had similar optical performance.
