EXTENSION TUBES
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IMPERIAL UNITS
Table for lens and combination of extension tubes
Blue numbers : AF not possible
- : incompatible combination
Lens focus
setting
13 + 26 mm 13 + 52 mm 26 + 52 mm 13 + 26 + 52 mm
D O m R D O m R D O m R D O m R
HCD 4/28 mm ∞7.9 0.08 1.35 0.9 - - - - - - - - - - - -
1.1 7.9 0 1.50 1 - - - - - - - - - - - -
HC 3.5/35 mm ∞9.2 0.5 1.09 0.8 - - - - - - - - - - - -
1.6 9.1 0.4 1.20 0.9 - - - - - - - - - - - -
HC 3.5/50 mm ∞10 2.0 0.78 0.8 10 0.9 1.29 1.3 11 0.7 1.55 1.4 11 0.5 1.80 1.6
2.0 10 1.7 0.91 1.0 10 0.9 1.43 1.5 11 0.7 1.69 1.7 11 0.5 1.95 1.9
HC 3.5/50 + 1.7× ∞12 2.0 1.30 0.8 12 0.9 2.16 1.3 13 0.7 2.59 1.4 13 0.5 3.01 1.6
2.0 12 1.7 1.52 1.0 12 0.9 2.4 1.5 12 0.7 2.83 1.7 13 0.5 3.27 1.9
HC 2.8/80 mm ∞14 8.2 0.48 1.0 13 5.5 0.79 1.5 12 4.8 0.95 1.8 12 4.3 1.10 2.0
2.3 13 6.5 0.63 1.3 12 4.8 0.94 1.8 12 4.3 1.10 2.0 13 3.9 1.25 2.2
HC 2.8/80 mm + 1.7× ∞16 8.2 0.80 1.0 15 5.5 1.33 1.6 14 4.8 1.59 1.8 14 4.3 1.85 2.0
2.3 15 6.5 1.05 1.3 14 4.8 1.58 1.8 14 4.3 1.84 2.0 15 3.9 2.09 2.2
HC 2.2/100 mm ∞ 18 11 0.39 1.0 15 7.2 0.65 1.5 15 6.3 0.78 1.7 15 5.6 0.91 1.9
3.0 16 8.7 0.53 1.2 15 6.3 0.79 1.7 15 5.6 0.92 1.9 15 5.0 1.05 2.1
HC 2.2/100 mm + 1.7× ∞20 11 0.66 1.0 17 7.3 1.10 1.5 17 6.3 1.31 1.7 17 5.6 1.53 1.9
3.0 18 8.7 0.89 1.3 17 6.3 1.33 1.7 17 5.6 1.55 2.0 17 5.0 1.76 2.2
HC Macro 4/120 ∞26 17 0.33 0.8 21 11 0.55 1.2 20 10 0.66 1.4 20 8.9 0.77 1.6
1.3 16 4.6 1.46 1.9 16 4.2 1.77 2.2 17 4.1 1.92 2.4 17 3.9 2.07 2.6
HC Macro 4/120 + 1.7× ∞28 17 0.55 0.8 23 11 0.92 1.2 22 10 1.10 1.4 22 8.9 1.28 1.6
1.3 18 4.6 2.45 1.9 18 4.2 2.97 2.2 19 4.1 3.22 2.4 19 3.9 3.48 2.6
HC 3.2/150 mm ∞34 25 0.26 0.8 26 16 0.43 1.2 24 14 0.52 1.4 23 12 0.61 1.5
4.3 27 18 0.41 0.8 23 14 0.58 1.2 22 12 0.67 1.4 22 11 0.75 1.5
HC 3.2/150 mm + 1.7×∞36 25 0.44 0.8 28 16 0.73 1.2 26 14 0.87 1.4 25 12 1.02 1.5
4.3 29 18 0.68 0.8 25 14 0.98 1.2 24 12 1.12 1.4 24 11 1.26 1.5
HC 4/210 mm ∞61 51 0.19 0.7 44 33 0.31 1.1 40 28 0.37 1.3 38 25 0.43 1.4
5.9 41 30 0.34 0.7 35 24 0.47 1.1 34 22 0.53 1.3 33 20 0.60 1.4
HC 4/210 mm + 1.7×∞63 51 0.31 0.7 46 33 0.52 1.1 42 28 0.62 1.3 40 25 0.73 1.4
5.9 43 30 0.57 0.7 37 24 0.78 1.1 36 22 0.89 1.3 35 20 1.00 1.4
HC 4.5/300 mm ∞112 100 0.13 0.7 78 66 0.22 1.1 70 57 0.27 1.3 65 51 0.31 1.4
8.0 59 47 0.29 0.7 51 38 0.39 0.1 48 35 0.44 1.2 47 33 0.50 1.4
HC 4.5/300 mm + 1.7× ∞114 100 0.22 0.7 80 66 0.37 1.1 72 57 0.45 1.3 67 51 0.52 1.4
8.0 61 47 0.49 0.7 53 38 0.66 1.0 50 35 0.75 1.2 49 33 0.84 1.4
HC 3.5-4.5/50-
110 mm
50 ∞12 1.9 0.76 1.1 12 0.8 1.26 1.6 - - - - - - - -
2.3 11 0.9 0.94 1.1 12 0.2 1.49 1.6 - - - - - - - -
80 ∞16 6.8 0.49 0.8 15 4.2 0.81 1.2 15 3.6 0.97 1.4 15 3.1 1.14 1.6
2.3 13.7 3.6 0.71 0.8 13 2.3 1.09 1.2 14 1.9 1.27 1.4 14 1.7 1.46 1.6
110 ∞23 13 0.36 0.7 20 8.5 0.60 1.0 19 7.3 0.72 1.2 18 6.5 0.84 1.3
2.3 16 6.1 0.63 0.7 16 4.4 0.92 1.0 16 3.9 1.07 1.2 16 3.5 1.21 1.3