Displacement Follower User’s Manual Version 1.4, April 19, 2004 IM1008
Page 24
Standard Lens Set
Components of the Standard
Lens Set
Quantity Item
1 105mm Enlarging Lens
1 50mm Camera Lens
1 72mm Extension Tube
1 10mm Extension Tube
1 15mm Extension Tube
1 20mm Extension Tube
1 30mm Extension Tube
These charts shows some of the optical parameters that can be obtained using combinations of the above components.
50mm Lens and Extension
Tubes
Field of View
Min-Max in Inches
Working Distance
Min-Max
in Inches
Lens, 50mm only 2.000 to inf. 23.500 to inf.
Lens + 10mm extension tube 0.500 to 0.800 7.500 to 11.00
Lens + 15mm extension tube 0.400 to 0.500 6.00 to 7.750
Lens + 20mm extension tube 0.325 to 0.400 5.000 to 6.000
Lens + 25mm extension tube 0.250 to 0.325 4.125 to 5.000
Lens + 35mm extension tube 0.175 to 0.200 3.000 to 3.500
Lens + 50mm extension tube 0.150 to 0.165 2.265 to 3.000
Lens + 75mm extension tube 0.100 to 0.105 2.125 to 2.300
105 mm Lens and Extension Tubes Field of View
in Inches
Working Distance
in Inches
Lens, 72mm Only 1.000 32.000
Lens + 72mm+10mm extension tube 0.625 26.000
Lens + 72mm+15mm extension tube 0.500 18.000
Lens + 72mm+20mm extension tube 0.450 16.400
Lens + 72mm+25mm extension tube 0.400 14.600
Lens + 72mm+30mm extension tube 0.350 13.600
Lens + 72mm+35mm extension tube 0.300 12.500
Lens + 72mm+40mm extension tube 0.275 11.800
Lens + 72mm+45mm extension tube 0.260 11.250
Lens + 72mm+50mm extension tube 0.250 10.600
Lens + 72mm+55mm extension tube 0.225 10.200
Lens + 72mm+60mm extension tube 0.210 9.600
Lens + 72mm+65mm extension tube 0.200 9.400
Lens + 72mm+75mm extension tube 0.175 8.000
