Template:Pentax 645-mount lenses timeline

Colors: Image circle / Focus: 6x4,5cm / MF - 6x4,5cm / AF - 44x33mm / AF

Abbreviations: Focus motor: screw drive (in camera) - SDM (Silent Drive Motor)

Glass: AL (aspheric lens) - ED (extra low dispersion lens)

Coating: smc (super multi coating) - HD (high definition coating)

Sealing: AW (All Weather)

Features: QS (Quick Shift, all DA & D FA lenses) - IF (Internal focusing) - LS (Lens Shutter), central shutter inside the lens enables a synchronized flash speed up to 1/500s
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