This article is from the Yashica SLR FAQ, by cg@evrl.xs4all.nl (Cees de Groot) with numerous contributions by others.
Predecessors to the FX-3 were the FX-1 and the FX-2, which had an all-
metal construction. The FX-3 is mostly plastic.
The FX-2 has a fully mechanical shutter, needle-match metering,
horizontal cloth shutter (flash sync at 1/60), and DOF preview button
(missing from FX-3!). I'm not sure about split-image focusing. The
FX-1 is like FX-2, but it has an electronic shutter, so there is an
aperture priority AE mode in addition to manual. I've heard about a
battery problem with the FX-1 that would influence metering, but no
confirmations yet (with fresh batteries or after prolongued off-time,
the battery output voltage was reported to be too high).
 
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