Variants:
Ricoh 500 GX.
Ricoh 519 DeLux.
Riacoh 520 M Cds.
CdS automatic meter.
Rikenon lens.
f: 2.8 / 40 mm.
Manufactured by:
Riken Optical.
Japan.
Year
of manufacture:
1971.
Size:
24 x 36
mm.
Film type:
135.