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Using Extension Tubes (sold separately) with the EF 200-400mm f/4L IS USM Extender 1.4x lens

Article ID: ART174506 | Date published: 05/24/2019 | Date last updated: 05/24/2019
 

Description

Using Extension Tubes (sold separately) with the EF 200-400mm f/4L IS USM Extender 1.4x lens

Solution

Extension Tubes (sold separately)

You can attach Extension Tube EF12 II or EF25 II for magnified shots. The shooting distance and magnification are shown below.

When the internal extender is set at 1x
 
Focusing Distance
Range (mm)
 Magnification (x)
Close
distance		 Long
distance		 Close
distance		 Long
distance
EF12 II WIDE 1350 3743 0.17 0.06
TELE 2057 12954 0.2 0.03
EF25 II WIDE 1029 1883 0.26 0.13
TELE 1783 6182 0.26 0.07
 
When the internal extender is set at 1.4x
 
Focusing Distance
Range (mm)
 Magnification (x)
Close
distance		 Long
distance		 Close
distance		 Long
distance
EF12 II WIDE 1601 7496 0.36 0.04
TELE 1795 26536 0.26 0.02
EF25 II WIDE 1354 3835 0.52 0.09
TELE 1634 13248 0.32 0.05
 
MF mode is recommended for accurate focusing.

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