The spirit of the article is good, though some of the facts may need refining. I too wondered about the absence of any mention of the 50mm f2 macro, one of the jewels of Olympus lens history. The slam on OM-1(n) is unwarranted. I'm still using a pair of OM-1's (not n's) that have never failed once -- they're durable cameras. Like the author I'm still adding used lenses. The Olympus OM series is a good investment for anyone who wants an inexpensive, small, dependable SLR system. One thing to watch with the OM-1's: as with many of the cameras of the 70's, they used mercury batteries. You need replacement batteries if you want to use the meters. Wein zinc-air or hearing-aid batteries.
Also, the Olympus lens would be equivalent to the cheap-n-cheerful Nikon 35/1.8 DX. I’m sure the Olympus is sharper, but the Nikon is no slouch either.
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The XF35 F1.4 from Fuji is quite sharp too, quite amazing. I expect the Olympus lens to be a bit better here, but the Fuji not only does better at higher ISO, but also at lower iso with true 14-bit RAW, better tonality, less noise.