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Re: Focusing


  • From: boblong@xxxxxxxxxxx (Robert Long)
  • Subject: Re: Focusing
  • Date: Fri, 27 Sep 1996 21:16:42 GMT

On Fri, 27 Sep 1996 21:08:02 +0100, Bobbie Doyle wrote:

|       If Konica peaks at 750nm and Kodak extends to 900. Would Konica be
|as sensitive to focusing as Kodak? 

Surely not--though as Senor El Presidente, and I believe others, have
remarked herein, precise answers to questions like yours depend on the
design of the specific lens under consideration.

|My lens does not have an IR mark, so
|when I focus I slightly compensate toward the closer distance, (hope I've
|been doing that right)! 

Yes.

|Would the Konica be more forgiving since it does
|not extend as far?  In other words, should I treat the Konica the same as
|I would Kodak in regard to focusing.

See above.

BL

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Topic No. 8