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The 1.4 EX is placed between the lens and the camera, and allows the photographer to use the 70-200mm f/2.8 lens as a 98-280m f/4 lens, and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not affected.
Click here to see a list of compatible lenses.
Lens construction |
5 elements in 3 groups
|
Focal length |
1.4x that of a master lens
|
Aperture coupling range |
F2.8 - F32
|
Reproduction ratio |
1.4x that of a master lens
|
Dimensions |
68.5 X 19.5mm
|
Weight |
143g (5oz.)
|
To get exact pricing for a particular product or selection of products simply add the products you desire to your shopping basket and our system will calculate the delivery cost automatically.
We aim to deliver all items within 5 working days of your order.
United Kingdom | |
Smaller items (eg. lens caps, filters) |
£2.95 |
Medium items (eg. compact cameras, binoculars) |
£4.95 |
Larger items (eg. lighting kits, etc.) |
£7.95 |