does this lens compare with the 12 inch dagor ?
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does this lens compare with the 12 inch dagor ?
The only difference is focal length. The coverage of the lens will be in the same ratio as the focal lengths i.e., the image circle at any stop will be about 78% of a 12" lens. The sharpness and other qualities will be the same, always taking into account the possible variations from lens to lens of the same type.