Extension Tubes

Home Up Extension Tubes Photographing Odonata    

 

Magnifications with Canon Lenses and Extension tubes: This information was copied from a web page at:

Bob Atkins Nature Photography Site

 

Thanks to Joe Hewes (jehewes@cbs.com) for forwarding this info to me. 

TABLE 7: MAGNIFICATION (x), FOCUSING DISTANCES &  WORKING DISTANCES WITH 
EXTENSION TUBE EF12
==========================================================================
Lens                   |  Mag.     |Focusing Distances | Working Distances   
                       |    (x)    |       (mm)        |        (mm)         
-----------------------|---------  |------------------ |-------------------
EF14mm f/2.8L USM      |           |           Not Recommended              
EF15mm f/2.8 Fisheye   |0.94~0.80  |      112~119      |        2~5         
EF20mm f/2.8 USM       |0.72~0.60  |      138~141      |       12~16        
EF24mm f/2.8           |0.64~0.50  |      138~142      |       34~39        
EF28mm f/1.8 USM       |0.61~0.43  |      148~163      |       44~59        
EF28mm f/2.8           |0.56~0.43  |      147~159      |       46~62        
EF35mm f/2             |0.58~0.35  |      169~201      |       63~104       
EF50mm f/1.0L USM      |           |           Not Recommended              
EF50mm f/1.4 USM       |0.39~0.24  |      247~323      |      142~226       
EF50mm f/1.8 II        |0.39~0.24  |      249~324      |      156~239       
EF50mm f/2.5 Macro     |0.74~0.24  |      208~321      |       92~230       
EF85mm f/1.2L USM      |0.25~0.15  |      497~699      |      346~560       
EF85mm f/1.8 USM       |0.27~0.15  |      498~723      |      375~605       
EF100mm f/2 USM        |0.27~0.13  |      573~956      |      445~829       
EF100mm f/2.8 Macro    |1.17~0.12  |      309~1024     |      134~896       
EF135mm f/2.8 SF       |0.22~0.09  |      862~1735     |      715~1588      
EF200mm f/1.8L USM     |0.15~0.06  |     1585~3353     |     1336~3104      
EF200mm f/2.8L USM     |0.23~0.06  |     1169~3482     |      978~3291      
EF300mm f/2.8L USM     |0.16~0.04  |     2324~7607     |     2038~7322      
EF300mm f/4L USM       |0.18~0.04  |     1986~7786     |     1726~7526      
EF400mm f/2.8L USM     |0.15~0.03  |     3293~13837    |     2914~13457     
EF400mm f/5.6L USM     |0.16~0.03  |     2893~13449    |     2583~13138     
EF500mm f/4.5L USM     |0.14~0.03  |     4199~20363    |     3768~20932     
EF600mm f/4L USM       |0.13~0.02  |     5111~29571    |     4687~29087     
EF1200mm f/5.6L USM    |0.12~0.01  |    10974~113572   |    10139~112740    
TS-E 24mm f/3.5L       |0.62~0.49  |      171~179      |       29~37        
TS-E 45mm f/2.8        |0.44~0.27  |      239~299      |       94~153     
TS-E 90mm f/2.8        |0.43~0.14  |      415~817      |      264~691     
-----------------------|---------  |----------------   |-------------------
Zoom Lens              |    Mag.   |Focusing Distances | Working Distances
                       |    (x)    |      (mm)         |        (mm)      
-----------------------|---------  |------------------ |------------------
                       |           |  WIDE   |  TELE   |  WIDE   |  TELE  
-----------------------|-----------|-------- |---------|---------|--------
EF20-35mm/2.8L         |W:0.66~0.60| 157~161 | 201~226 |  13~17  |  63~87 
                       |T:0.46~0.36|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF20-35/3.5-4.5 USM    |W:0.70~0.60| 135~141 | 177~212 |  11~17  |  53~89 
                       |T:0.53~0.36|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF28-70/2.8L USM       |W:0.52~0.42| 222~235 | 336~566 |  28~41  | 165~394
                       |T:0.39~0.18|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF28-80/3.5-5.6 II     |W:0.57~0.42| 172~192 | 291~664 |  33~60  | 152~532
                       |T:0.47~0.16|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF28-105/3.5-4.5 USM   |W:0.53~0.42| 166~183 | 322~1033|  36~54  | 165~876
                       |T:0.36~0.12|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-80/4.0-5.6 III    |W:0.50~0.34| 183~225 | 292~688 |  58~92  | 166~534
                       |T:0.44~0.16|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-80/4.0-5.6 USM    |W:0.51~0.34| 182~226 | 285~669 |  56~106 | 158~550
                       |T:0.46~0.16|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-105/4.5-5.6 USM   |W:0.36~0.34| 221~225 | 580~1080| 100~103 | 439~945
                       |T:0.28~0.12|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-135/4.0-5.6 USM   |W:0.42~0.34| 208~234 | 478~1675|  67~93  | 311~1559
                       |T:0.29~0.10|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-350/3.5-5.6L USM  |W:0.43~0.34| 268~294 |1779~10146| 46~72  |1482~9849
                       |T:0.19~0.04|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF70-200/2.8L USM      |W:0.22~0.17| 553~622 |1161~3392| 306~375 | 914~3145
                       |T:0.22~0.06|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF70-210/3.5-4.5 USM   |W:0.25~0.17| 467~615 | 929~3841| 293~441 | 707~3619
                       |T:0.25~0.06|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF75-300/4.0-5.6 II USM|W:0.21~0.16| 611~699 |1357~7694| 421~522 |1112~7461
                       |T:0.31~0.04|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF80-200/4.5-5.6 II    |W:0.21~0.15| 619~774 |1172~3523| 482~645 | 997~3555
                       |T:0.23~0.06|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF100-300/5.6L         |W:0.21~0.12| 823~1105|1368~7845| 585~883 |1102~7596
                       |T:0.32~0.04|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF100-300/4.5-5.6 USM  |W:0.21~0.12| 720~1140|1278~7847| 546~959 |1055~7624
                       |T:0.26~0.04|         |         |         |        
--------------------------------------------------------------------------

TABLE 8: MAGNIFICATION (x), FOCUSING DISTANCES &  WORKING DISTANCES WITH 
EXTENSION TUBE EF25
===========================================================================
Lens                   |  Mag.     |Focusing Distances | Working Distances 
                       |    (x)    |       (mm)        |        (mm)       
-----------------------|---------  |------------------ |-------------------
EF14mm f/2.8L USM      |           |           Not Recommended             
EF15mm f/2.8 Fisheye   |           |           Not Recommended             
EF20mm f/2.8 USM       |           |           Not Recommended             
EF24mm f/2.8           | 1.22~1.11 |      131~133      |       12~15       
EF28mm f/1.8 USM       | 1.13~0.96 |      141~142      |       21~24       
EF28mm f/2.8           | 1.09~0.95 |    137.7~137.9    |       22~25       
EF35mm f/2             | 1.00~0.77 |      158~160      |       37~48       
EF50mm f/1.0L USM      |           |           Not Recommended             
EF50mm f/1.4 USM       | 0.68~0.53 |      200~220      |       82~110      
EF50mm f/1.8 II        | 0.68~0.53 |      207~221      |       99~120      
EF50mm f/2.5 Macro     | 1.04~0.54 |      203~223      |       72~117      
EF85mm f/1.2L USM      | 0.42~0.33 |      369~409      |      203~253      
EF85mm f/1.8 USM       | 0.44~0.32 |      386~428      |      249~291      
EF100mm f/2 USM        | 0.42~0.28 |      425~543      |      309~401      
EF100mm f/2.8 Macro    | 1.38~0.27 |      314~593      |      101~426      
EF135mm f/2L USM       | 0.41~0.20 |      579~883      |      396~700      
EF135mm f/2.8 SF       | 0.33~0.20 |      675~938      |      514~776      
EF180mm f/3.5L USM     | 1.21~0.15 |      480~1501     |      222~1243     
EF200mm f/1.8L USM     | 0.23~0.14 |     1167~1673     |      903~1409     
EF200mm f/2.8L USM     | 0.32~0.14 |      977~1801     |      771~1595     
EF300mm f/2.8L USM     | 0.21~0.09 |     1899~3786     |     1599~3486     
EF300mm f/4L USM       | 0.24~0.09 |     1661~3925     |     1385~3649     
EF400mm f/2.8L USM     | 0.19~0.07 |     2781~6730     |     2387~6335     
EF400mm f/2.8LII USM   | 0.19~0.07 |     2781~6730     |     2387~6335     
EF400mm f/5.6L USM     | 0.21~0.07 |     2460~6610     |     2145~6295     
EF500mm f/4.5L USM     | 0.17~0.06 |     3591~10314    |     3147~9870     
EF600mm f/4L USM       | 0.16~0.05 |     4413~14214    |     3914~13718    
EF1200mm f/5.6L USM    | 0.13~0.02 |    11334~53254    |     9164~52404    
TS-E 24mm f/3.5L       | 1.21~1.10 |      166~167      |        3~4        
TS-E 45mm f/2.8        |           |           Not Recommended
TS-E 90mm f/2.8        | 0.60~0.31 |      373~486      |      207~345      
-----------------------|---------  |----------------   |-------------------
Zoom Lens              |    Mag.   |Focusing Distances | Working Distances
                       |    (x)    |      (mm)         |        (mm)      
-----------------------|---------  |------------------ |------------------
                       |           |  WIDE   |  TELE   |  WIDE   |  TELE  
-----------------------|-----------|-------- |---------|---------|--------
EF17-35mm/2.8L USM     |W: NR      |         |         |         |        
                       |T:0.95~0.80|   NR    | 193~201 |   NR    |  26~34 
-----------------------|-----------|---------|---------|---------|--------
EF20-35mm/2.8L         |W: NR      |         |         |         |        
                       |T:0.92~0.80|   NR    | 181~189 |   NR    |  28~36 
-----------------------|-----------|---------|---------|---------|--------
EF20-35/3.5-4.5 USM    |W: NR      |         |         |         |        
                       |T:1.00~0.80|   NR    | 164~176 |   NR    |  25~37 
-----------------------|-----------|---------|---------|---------|--------
EF28-70/2.8L USM       |W:1.05~0.94| 213~218 | 298~374 |   3~8   | 112~188
                       |T:0.64~0.40|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF28-80/3.5-5.6 II     |W:1.15~0.94| 164~169 | 262~417 |  12~22  | 107~270
                       |T:0.73~0.36|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF28-105/3.5-4.5 USM   |W:0.75~0.73| 177~182 | 470~630 |  32~37  | 298~458
                       |T:0.44~0.27|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-80/4.0-5.6 III    |W:0.97~0.75| 166~181 | 259~417 |  26~48  | 118~283
                       |T:0.70~0.35|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-80/4.0-5.6 USM    |W:0.99~0.75| 167~183 | 253~419 |  56~106 | 111~284
                       |T:0.74~0.35|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-105/4.5-5.6 USM   |W:0.75~0.73| 177~183 | 473~633 |  40~41  | 315~476
                       |T:0.44~0.27|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-135/4.0-5.6 USM   |W:0.86~0.75| 181~191 | 383~917 |  25~35  | 201~735
                       |T:0.47~0.21|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF35-350/3.5-5.6L USM  |W:0.82~0.75| 240~250 |1490~4953|   3~13  |1178~4641
                       |T:0.25~0.08|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF70-200/2.8L USM      |W:0.41~0.38| 400~405 | 956~1728| 138~143 | 694~1466
                       |T:0.30~0.14|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF70-210/3.5-4.5 USM   |W:0.47~0.38| 352~398 | 778~1992| 163~210 | 541~1756
                       |T:0.35~0.13|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF75-300/4.0-5.6 II USM|W:0.39~0.35| 445~446 |1249~3954| 239~254 | 988~3707
                       |T:0.39~0.09|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF80-200/4.5-5.6 II    |W:0.39~0.33| 451~480 | 990~1890| 299~336 | 800~1708
                       |T:0.33~0.14|         |         |         |        
-----------------------|-----------|---------|---------|---------|--------
EF100-300/5.6L         |W:0.34~0.27| 617~660 |1264~4013| 365~424 | 984~3749
                       |T:0.39~0.10|         |         |         |         
-----------------------|-----------|---------|---------|---------|--------
EF100-300/4.5-5.6 USM  |W:0.37~0.26| 537~681 |1130~4048| 347~491 | 892~3810
                       |T:0.35~0.09|         |         |         |        
--------------------------------------------------------------------------

TABLE 6: MAGNIFICATION (x) WITH CLOSE-UP LENSES 250D, 500 & 500D
==========================================================================
Lens                    | Size |              Magnification               
                        | (mm) |        250D        |      500/500D       
------------------------|------|--------------------|---------------------
EF14mm f/2.8L USM       |      |              Not Available               
EF15mm f/2.8 Fisheye    |      |              Not Available               
EF20mm f/2.8 USM        |  72  |    Not Available   |      0.17~0.04      
EF24mm f/2.8            |  58  |      0.25~0.10     |      0.20~0.05      
EF28mm f/2.8            |  52  |      0.24~0.12     |      0.19~0.06      
EF35mm f/2              |  52  |      0.36~0.14     |      0.30~0.07      
EF50mm f/1.0L USM       |  72  |    Not Available   |      0.24~0.10      
EF50mm f/1.4 USM        |  58  |      0.35~0.21     |      0.25~0.10      
EF50mm f/1.8 II         |  52  |      0.36~0.20     |      0.25~0.10      
EF50mm f/2.5 Macro      |  52  |      0.68~0.20     |      0.59~0.10      
EF85mm f/1.2L USM       |  72  |    Not Available   |      0.28~0.17      
EF85mm f/1.8 USM        |  58  |      0.50~0.34     |      0.31~0.17      
EF100mm f/2 USM         |  58  |      0.57~0.40     |      0.35~0.20      
EF100mm f/2.8 Macro     |  52  |      1.41~0.41     |      1.21~0.20      
EF135mm f/2.8 SF        |  52  |      0.70~0.55     |      0.41~0.27      
EF200mm f/1.8L USM      |      |              Not Available               
EF200mm f/2.8L USM      |  72  |    Not Available   |      0.57~0.39      
EF300mm f/2.8L USM      |      |              Not Available               
EF300mm f/4L USM        |  77  |    Not Available   |      0.70~0.59      
EF400mm f/2.8L USM      |      |              Not Available               
EF400mm f/5.6L USM      |  77  |    Not Available   |      0.91~0.78      
EF500mm f/4.5L USM      |      |              Not Available               
EF600mm f/4L USM        |      |              Not Available               
EF1200mm f/5.6L USM     |      |              Not Available               
TS-E 24mm f/3.5L        |  72  |    Not Available   |      0.19~0.05      
TS-E 45mm f/2.8         |  72  |    Not Available   |      0.25~0.09      
TS-E 90mm f/2.8         |  58  |      0.69~0.36     |      0.49~0.18      
------------------------|------|--------------------|---------------------
Lens                    | Size |              Magnification               
                        | (mm) |         250D       |      500/500D       
                        |      |   WIDE   |  TELE   |   WIDE   |  TELE    
------------------------|------|----------|---------|----------|----------
EF20-35mm/2.8L          |  72  |    Not Available   | Vignette | 0.15~0.07
EF20-35/3.5-4.5 USM     |  77  |    Not Available   | Vignette | 0.19~0.07
EF28-70/2.8L USM        |  77  |    Not Available   | Vignette | 0.30~0.14
EF28-80/3.5-5.6 II      |  58  | Vignette |0.51~0.31| Vignette | 0.38~0.15
EF28-105/3.5-4.5 USM    |  58  | Vignette |0.43~0.41| Vignette | 0.30~0.20
EF35-80/4.0-5.6 III     |  52  | 0.23~0.15|0.49~0.31| 0.17~0.07| 0.36~0.15
EF35-80/4.0-5.6 USM     |  52  | 0.24~0.15|0.50~0.31| 0.18~0.07| 0.37~0.15
EF35-105/4.5-5.6 USM    |  58  | 0.21~0.15|0.60~0.41| 0.13~0.07| 0.37~0.20
EF35-135/4.0-5.6 USM    |  58  | 0.18~0.15|0.54~0.50| 0.12~0.07| 0.32~0.26
EF35-350/3.5-5.6L USM   |  72  |    Not Available   | Vignette | 0.70~0.68
EF70-200/2.8L USM       |  77  |    Not Available   | 0.21~0.14| 0.55~0.39
EF70-210/3.5-4.5 USM    |  58  | 0.34~0.29|0.85~0.83| 0.20~0.14| 0.51~0.41
EF75-300/4.0-5.6 II USM |  58  | 0.41~0.32|1.54~1.18| 0.23~0.15| 0.89~0.58
EF80-200/4.5-5.6 II     |  52  | 0.43~0.34|0.99~0.78| 0.24~0.17| 0.57~0.38
EF100-300/5.6L          |  58  | 0.55~0.41|1.59~1.20| 0.31~0.20| 0.92~0.59
EF100-300/4.5-5.6 USM   |  58  | 0.48~0.42|1.22~1.19| 0.28~0.21| 0.70~0.58
--------------------------------------------------------------------------