Panasonic TQBJ0299-3 JCalculation formulas for projection distance by lens types

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JCalculation formulas for projection distance by lens types
Names Type Through ratio Aspect ratio Projection distance formula
• PT-DZ6710/PT-DZ6700
Standard zoom lens 1.8 - 2.4:1
16:10 LW = 0.0395 x SD - 0.0744
LT = 0.0529 x SD - 0.0734
16:9 LW = 0.0406 x SD - 0.0745
LT = 0.0544 x SD - 0.0734
ET-DLE055 Fixed-focus lens 0.8:1 16:10 LW = 0.0175 x SD - 0.0476
16:9 LT = 0.0180 x SD - 0.0476
ET-DLE150 Wide-angle zoom lens 1.3 - 1.8:1
16:10 LW = 0.0286 x SD - 0.0540
LT = 0.0413 x SD - 0.0498
16:9 LW = 0.0294 x SD - 0.0540
LT = 0.0424 x SD - 0.0498
ET-DLE250 Intermediate-focus zoom lens 2.4 - 4.0:1
16:10 LW = 0.0500 x SD - 0.0800
LT = 0.0789 x SD - 0.0792
16:9 LW = 0.0513 x SD - 0.0800
LT = 0.0811 x SD - 0.0792
ET-DLE350 Long-focus zoom lens 3.8 - 6.0:1
16:10 LW = 0.0787 x SD - 0.1351
LT = 0.1190 x SD - 0.1346
16:9 LW = 0.0809 x SD - 0.1351
LT = 0.1223 x SD - 0.1346
ET-DLE450 Ultra-long-focus zoom lens 5.8 - 8.1:1
16:10 LW = 0.1192 x SD - 0.3017
LT = 0.1885 x SD - 0.2991
16:9 LW = 0.1225 x SD - 0.3017
LT = 0.1937 x SD - 0.2991
• PT-DW6300
Standard zoom lens 1.8 - 2.4:1
16:10 LW= 0.0397 x SD - 0.0650
LT= 0.0524 x SD - 0.0638
16:9 LW= 0.0408 x SD - 0.0650
LT= 0.0539 x SD - 0.0638
ET-DLE055 Fixed-focus lens 0.8:1 16:10 LW= 0.0184 x SD - 0.0476
16:9 LT= 0.0189 x SD - 0.0476
ET-DLE150 Wide-angle zoom lens 1.3 - 1.8:1
16:10 LW= 0.0300 x SD - 0.0540
LT= 0.0433 x SD - 0.0498
16:9 LW= 0.0309 x SD - 0.0540
LT= 0.0445 x SD - 0.0498
ET-DLE250 Intermediate-focus zoom lens 2.4 - 4.0:1
16:10 LW= 0.0524 x SD - 0.0800
LT= 0.0828 x SD - 0.0792
16:9 LW= 0.0539 x SD - 0.0800
LT= 0.0851 x SD - 0.0792
ET-DLE350 Long-focus zoom lens 3.8 - 6.0:1
16:10 LW= 0.0827 x SD - 0.1351
LT= 0.1249 x SD - 0.1346
16:9 LW= 0.0850 x SD - 0.1351
LT= 0.1284 x SD - 0.1346
ET-DLE450 Ultra-long-focus zoom lens 5.8 - 8.1:1
16:10 LW= 0.1252 x SD - 0.3017
LT= 0.1979 x SD - 0.2991
16:9 LW= 0.1286 x SD - 0.3017
LT= 0.2034 x SD - 0.2991
• PT-D6000/PT-D5000
Standard zoom lens 1.8 - 2.4:1
16:10 LW = 0.0370 x SD - 0.0650
LT = 0.0488 x SD - 0.0638
16:9 LW = 0.0403 x SD - 0.0650
LT = 0.0532 x SD - 0.0638
ET-DLE055 Fixed-focus lens 0.8:1 16:10 LW = 0.0171 x SD - 0.0476
16:9 LT = 0.0186 x SD - 0.0476
ET-DLE150 Wide-angle zoom lens 1.3 - 1.8:1
16:10 LW = 0.0280 x SD - 0.0540
LT = 0.0403 x SD - 0.0498
16:9 LW = 0.0305 x SD - 0.0540
LT = 0.0439 x SD - 0.0498
ET-DLE250 Intermediate-focus zoom lens 2.4 - 4.0:1
16:10 LW = 0.0488 x SD - 0.0800
LT = 0.0771 x SD - 0.0792
16:9 LW = 0.0532 x SD - 0.0800
LT = 0.0840 x SD - 0.0792
ET-DLE350 Long-focus zoom lens 3.8 - 6.0:1
16:10 LW = 0.0770 x SD - 0.1351
LT = 0.1163 x SD - 0.1346
16:9 LW = 0.0839 x SD - 0.1351
LT = 0.1267 x SD - 0.1346
ET-DLE450 Ultra-long-focus zoom lens 5.8 - 8.1:1
16:10 LT = 0.1165 x SD - 0.3017
LT = 0.1842 x SD - 0.2991
16:9 LT = 0.1270 x SD - 0.3017
LT = 0.2007 x SD - 0.2991