How to Get to Twice Life-Size

  Magnification Subject distance Correcting Lens Extension tube     Extender
  Near focus Far focus Near focus   Far focus   Focal Length diopters        
Nikon 105mm f/2.8 AF 2.05 0.76 4.46 in 9.56 in None   0.00 80.00 mm PK-13 + PN-11 1.0
  2 0 6.00 in Inf   None         TC-201 2.0
  2.08 0.65 3.40 in 8.07 in Nikon 4T   2.90 27.50 mm PK-13 1.0
  2.11 0.74 3.82 in 8.42 in Nikon 3T   1.50 52.50 mm PN-11 1.0
  1.91 0.37 5.20 in 19.92 in None   0.00 27.50 mm PK-13, TC-14A 1.4
  1.84 0.22 4.56 in 26.25 in Nikon 3T   1.50     TC-14A 1.4
  2.16 0.55 4.94 in 14.59 in None   0.00 41.50 mm PK-13 + PK-12 1.4
                           
Nikon 200mm f/4 AF 2.16 0.58 4.56 in 13.58 in Nikon 6T   2.90       1.0
  2.15 0.64 5.55 in 15.50 in Nikon 5T   1.50 52.50 mm PN-11 1.0
  1.89 0.48 5.79 in 18.71 in Nikon 5T   1.50 27.50 mm PK-13 1.0
  2.24 0.42 6.15 in 26.25 in Nikon 5T   1.50     TC-14B 1.4
  2 0 9.84 in Inf   None         TC-201 2.0
  1.99 0.37 8.39 in 37.87 in None   0.00 52.50 mm PN-11 1.4
                           
Nikon 60mm f/2.8 AF 2.00 0.92 3.25 in 4.94 in None   0.00 55.00 mm 2 PK-13s 1.0
  1.94 0.71 2.80 in 4.84 in Nikon 4T   2.90 27.50 mm PK-13 1.0
  2 0 4.33 in Inf   None         TC-201 2.0
  2.10 0.64 3.61 in 7.52 in None   0.00 27.50 mm PK-13, TC-14A 1.4
                           
Nikon 105mm f/2.8 MF 2.10 1.30 4.06 in 5.61 in Nikon 4T   2.90 80.00 mm PK-13 + PN-11 1.0
  2.14 0.5 6.93 in 12.40 in None     52.50 mm PN-11, TC-201 2.0
  1.92 1.07 6.19 in 9.56 in None   0.00 80.00 mm PK-13 + PN-11 1.4
  1.96 1.03 5.31 in 8.42 in Nikon 3T   1.50 52.50 mm PN-11 1.4
                           
Nikon 200mm f/4 MF 2.13 1.21 6.04 in 9.10 in Nikon 4T   2.90 80.00 mm PK-13 + PN-11 1.0
  1.91 0.81 7.12 in 13.58 in Nikon 4T   2.90 0.00 0.00 TC-14B 1.4
  1.90 0.90 8.67 in 15.50 in Nikon 3T   1.50 52.50 mm PN-11 1.4


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Jim Kasson