Michael I. said:
became a war photographer and was killed in a helicopter crash in Vietnam
Sorry, but this is incorrect. It wasn't Larry Burrows. The kid who destroyed Capa's film was Dennis Banks. They were in a hurry to get it to the censor and meet the plane to the United States, so they closed the door on the drying cabinet and unfortunately melted the emulsion.
On board his transport ship Capa used his Rolleiflex, which he left behind for the assault on the beach. This makes perfect sense. The Rollei only holds 12 shots per roll and isn't as good for action shots as the Contax.
He may have also used the Contax on board the ship, because he sent 4 rolls of film back to LIFE, but Morris talks of only 72 beach shots. (36-40 frames per roll)
Capa hit the beach with as many as two Contax II cameras and some extra film, sealed in condoms, oil cloth or both. It appears that both cameras mounted 50mm lenses, probably the 1.5/50 Sonnar. According to John Morris there were 72 shots taken on the beach, of which 11 survived. Tha's about two rolls of film. In Capa's books he talks about how he tried to reload the Contax, while under fire, but failed to do so, when the film was ruined by the sea water. So, it sounds like at least one camera may have been a write off, maybe both. The saltwater would have corroded them quickly.
In the bag with the film (4 x 35mm, circa 6 x 120) that was delivered to LIFE that morning was a note from Capa to John Morrison: "All of the action is on the 35mm".
cheers,
Harry Lime