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  1. Re: A DIY 177mm f/8 Cooke triplet for 4x5 from off-the shelf lenses that YOU can bui

    Thanks for your answers! I have another question:

    In your design you mention distances to the second lens. Are these distances to the center of the lens or to the edge? Is the convention to...
  2. Re: A DIY 177mm f/8 Cooke triplet for 4x5 from off-the shelf lenses that YOU can bui

    Hi, thanks for putting the effort into this design! Your description made me curious what it's like to design a lens when constrained to only off-the-shelf parts. Does your software allow for...
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