Nikon 105 mm f/2.8 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 6.00 in Inf None 0.00 0
1.36 0.26 5.20 in 19.92 in None mm 0.00 27.5 mm PK-13, M-ring
1.69 0.50 4.77 in 12.40 in None mm 0.00 52.5 mm PN-11
1.72 0.52 4.74 in 12.03 in None mm 0.00 55 mm 2 PK-13s
2.05 0.76 4.46 in 9.56 in None mm 0.00 80 mm PK-13 + PN-11
1.32 0.16 4.56 in 26.25 in Nikon 3T 1.50
1.61 0.30 3.73 in 13.58 in Nikon 4T 2.90
1.73 0.46 4.09 in 11.32 in Nikon 3T 1.50 27.5 mm PK-13, M-ring
2.08 0.65 3.40 in 8.07 in Nikon 4T 2.90 27.5 mm PK-13, M-ring
2.11 0.74 3.82 in 8.42 in Nikon 3T 1.50 52.5 mm PN-11
2.51 0.96 3.22 in 6.48 in Nikon 4T 2.90 52.5 mm PN-11
2.53 1.04 3.62 in 7.01 in Nikon 3T 1.50 80 mm PK-13 + PN-11
2.98 1.30 3.07 in 5.61 in Nikon 4T 2.90 80 mm PK-13 + PN-11