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split focus

Started Dec 3, 2018 | Discussions thread
glassmandavo Regular Member • Posts: 107
Re: split focus

Spiratone sold an inexpensive adapter in the 70's, that was essentially a bifocal add-on for your lens.  It had a semicircular element in the lower half of the housing that screwed into your lens' filter ring (or slipped over the outside, I can't remember exactly now).  The effect was near focus in the foreground, infinity or distance focus in the upper half.

Check on Ebay.

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