Originally posted by ChristianRock Interesting. The coating reflections and the build on that Spiratone lens are very Tokina-like, but I'm not aware that Tokina ever did a 28mm f2 lens.
all of that, plus the sheer size of it (62mm filter ring) place it firmly in the '???' category... I know that Mitake was a lens manufacturer and Spiratone did nothing but rebadges....
additionally, from this morning:
you can see where the coatings are nowhere near modern lens' coatings - CA abound, especially magenta striping due to the strong light source (natural light)
but....
move away from that type of light:
both shot at f2