The 2x EX DG is placed between the lens and the camera, and it allows the photographer to use the 70-200mm f/2.8 lens as a 140-400mm f/5.6 telephoto zoom lens, and the 300mm f/2.8 lens as a 600mm f/5.6 ultra telephoto lens.
Main Specification
Lens construction: 6 elements in 5 groups
Focal length: 2x that of a master lens
Aperture coupling range: F2.8 - F32
Reproduction ratio: 2x that of a master lens
Dimensions: 68.5 X 52mm
Weight: 234g (8.3oz.)
Type Teleconverter
Magnification 2.0x
For use with Sigma fit Sigma AF lenses
Requires f2.8 or faster for AF
Please note that stock levels do fluctuate so please call or email to check today's stock before placing your order.
This Double DVD (180min) is a simplified easy to understand guide to the operation of the Meade ETX Telescopes. Unlike other instructional aids, this DVD is clearly laid out and goes into great detail for instance on the polar alignment setup for photography.
Great Price at only £16.99
Beginners Guide To Equatorial Mounted Telescopes. DVD Video
Learn how to use your equatorial mounted telescope in 45 minutes!
Great Price at only £14.99
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