Histories
Long-form, cited histories of the companies and the optics — who designed them, what changed between versions, and why a given lens renders the way it does. Every claim carries its source, and where the record is thin or contested the text says so rather than picking a side.
3 manufacturer histories · 5 lens histories
Manufacturers
Individual lenses
These open on the lens itself, alongside its specifications and production dates.
Introduced with the Mamiya 7 system in 1995, the N 150mm f/4.5 L brought a rangefinder-coupled short telephoto with ultra-low-dispersion glass and a leaf shutter to a portable 6x7 camera system.
Primarily commercial and system-related. The model illustrates Minolta's mid-1970s North American strategy of offering genuine Minolta macro capability below the premium Rokkor-X tier.
The examined Minolta guide positions the 58mm f/1.2 among the company's standard lenses and presents it as the fastest of the standard-lens options shown.
A durable 7-element, 7-group wide-angle that carried Minolta's mainstream 28mm f/3.5 from the metal-grip MC II era into the rubber-grip MC-X generation before a new 5/5 design appeared in 1975.
Introduced in late 1965, the NIKKOR-S Auto 55mm f/1.2 was Nikon's first f/1.2 normal lens for the F system and an important step toward the later 50mm f/1.2 and Noct-Nikkor.