Nikon 200 mm f/4D Auto-Focus Micro-Nikkor

Magnification Subject distance Correcting Lens Extension tube    
Near focus Far focus Near focus   Far focus   Focal Length diopters      
                       
1.00 0.00 9.84 in Inf   None   0.00 0    
1.22 0.14 8.96 in 65.14 in None mm 0.00 27.5 mm PK-13, M-ring
1.42 0.26 8.39 in 37.87 in None mm 0.00 52.5 mm PN-11
1.44 0.28 8.34 in 36.51 in None mm 0.00 55 mm 2 PK-13s
1.64 0.40 7.92 in 27.56 in None mm 0.00 80 mm PK-13 + PN-11
                       
1.60 0.30 6.15 in 26.25 in Nikon 5T   1.50      
2.16 0.58 4.56 in 13.58 in Nikon 6T   2.90      
                       
1.89 0.48 5.79 in 18.71 in Nikon 5T   1.50 27.5 mm PK-13, M-ring
2.51 0.80 4.36 in 11.23 in Nikon 6T   2.90 27.5 mm PK-13, M-ring
                       
2.15 0.64 5.55 in 15.50 in Nikon 5T   1.50 52.5 mm PN-11
2.82 0.99 4.22 in 9.99 in Nikon 6T   2.90 52.5 mm PN-11
                       
2.43 0.82 5.34 in 13.44 in Nikon 5T   1.50 80 mm PK-13 + PN-11
3.17 1.21 4.10 in 9.10 in Nikon 6T   2.90 80 mm PK-13 + PN-11


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Jim Kasson