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CMS-XML How to mount and dismount the EF 2x III Extender
How to mount and dismount the EF 2 x III Extender
CMS-XML EF 2x III Extender : What are the parts and controls - nomenclature?
EF 2 x III Extender : What are the parts and controls - nomenclature?
CMS-XML Specifications for the EF1.4X III and EF2X III Extenders
Please see the dimensions, weights, and other specifications for the EF 1.4 X III and EF 2 X III Extenders .
CMS-XML What lenses are compatible with the EF 1.4x III and EF 2x III extenders?
Please see the following chart for lens compatibility with the EF 1.4 x III and EF 2 x III extenders .
CMS-XML Lenses that can be used with Extender EF1.4X III and EF2X III
Usable lenses: Lens Focal Length & Maximum Aperture EF 1.4 X III EF 2 X III EF 135mm f/2L USM 189mm f/2.8 270mm f/4 EF 180mm f/3.5L Macro USM 252mm f/4.5 360mm f/6.7 EF 200mm f/2.8L USM 280mm f/ 4 400mm f/5.6 EF 200mm f/2.8L II USM 280mm f/4
CMS-XML Lens Specifications with the Extender EF 1.4x II/III or EF 2x II/III
Lens Specifications with the Extender EF 1.4 x II/ III or EF 2 x II/ III
CMS-XML The difference between the current Canon EF Extenders, EF 1.4x III and the EF 1.4x II
The difference between the current Canon EF Extenders , EF 1.4 x II and the EF 2 x II, and the previous versions.
CMS-XML What is the Maximum Aperture with the EF 2x III Extender
When the EF 1.4 x II is attached, the lens maximum aperture will be smaller (darker) by 1 stop. The camera will compensate the exposure automatically.
CMS-XML EF : Checking the battery level status
If the batteries do fail, the EF can still be used manually from 1/ 2 - 1/1000 sec. The Variable Aperture AE control will not operate, but you can manually adjust the aperture ring of the lens. A basic exposure guide to follow for bright sunlight (with distinct shadows) is to make a fraction representing the shutter speed needed at f/16 by putting a "one" over the film's ASA rating.
CMS-XML EF1.4x II Extender : What are the parts and controls - nomenclature?
1. Lens mount index (on top) 2 . Lens mount index (on camera) 3. Lens release lever 4. Electrical contacts 5. Rubber ring
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