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Thread: Omega D3

  1. #21

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    No, you can't focus it at all without the cam and the proper lens cone. Sorry. When I was outfitting my D4 (also an autofocus enlarger) I heard from Harry Taylor, Mr. Omega himself, that each cam was custom made to match to a specific serial numbered lens. The set guaranteed absolutely perfect focus as the head was moved up and down the column. It's hard to find a matched set now, but no matter. The focus will be off as you move the head with a non-matched pair, but only a little as long as the cam matches the published focal length of the lens. The fine focus knob has more than sufficient travel to correct for the slight discrepancy.
    Frank Schifano

  2. #22
    olleorama's Avatar
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    Quote Originally Posted by fschifano View Post
    No, you can't focus it at all without the cam and the proper lens cone. Sorry. When I was outfitting my D4 (also an autofocus enlarger) I heard from Harry Taylor, Mr. Omega himself, that each cam was custom made to match to a specific serial numbered lens. The set guaranteed absolutely perfect focus as the head was moved up and down the column. It's hard to find a matched set now, but no matter. The focus will be off as you move the head with a non-matched pair, but only a little as long as the cam matches the published focal length of the lens. The fine focus knob has more than sufficient travel to correct for the slight discrepancy.
    Thanks. I will buy a cam from Mr Omega.

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