First typeI have examples of four different variations of this model in my collection and have detailed the difference below, there may well be other variations I am not aware of too!
| Serial no. | Body edges | Front panel | Shutter housing | Exposure values | Rewind knob | Flash synch | Rear door | Frame counter |
|---|---|---|---|---|---|---|---|---|
| 318465 | black | cast/gray(1) | black/nickel | no | early | shutter | cast | plain |
| 355005 | black | cast/grey(2) | black/nickel | yes | early | front panel | cast | plain |
| 893788 | chrome | cast/grey(2) | chrome | yes | intermediate | front panel | cast | notched |
| 942606 | chrome | Pressed,chrome | chrome | yes | late | front panel | pressed | notched |
First type
Second type
Third type
Fourth type
The body edges at top and bottom of camera main casting are finished in black paint/lacquer in early examples and covered with thin chromed brass pressings in later examples.
Earliest examples have a simple rectangular grey finished casting with f/stops engraved at top with no flash synch terminal on panel, the second type has a similar casting with a notch on right side for V,X lever, flash terminal on right and black arrow index mark for f/stops, third type is a rectangular chrome plated pressing with a " V" shape to front section and with with similar features to second type.
The shutter housing itself changes from predominantly black to chrome.
Earliest type, flat dial, printing on top( reading anti-clockwise) Infrared/Kodachrome Daylight/Kodachrome-A/Plus X I Super XX
Intermediate type, flat dial, printing on top (reading anti-clockwise) Kadachr.D/Kodachr.F/Ektachr.D/Ektachr.F/Pan X/Plus X/Tri X
Late type, sloping dial, printing on top (reading anti-clockwise)as above.
First type on shutter body, later type on front panel
Early type, cast one piece back door, late type two-piece pressing with riveted construction
Early type, chrome top piece slightly smaller diameter and completely round, late type larger diameter with a section of the rim notched on inboard side to allow easy setting.
