Promaster Spectrum 7 1.7X Teleconverter for Canon Price, Features, Specs, Customer Reviews
May 24th, 2011 • Filed Under•29 views
The PROMASTER 1.7x Autofocus Teleconverter is compact and lightweight and adds photographic versatility without the expense of an extra lens. This converter allows the focal length of your lens to be extended by a factor of 1.7 times.
The 1.7x fact
or has a minimal reduction to your effective aperture of only 1.5 stops. The PROMASTER 1.7x Autofocus Teleconverter communicates with most lenses for full compatibility. Not for use with EF-S lenses… More >>
Specs and Features of Promaster Spectrum 7 1.7X Teleconverter for Canon
- For use with lenses with a maximum aperture of f/4.5 or faster
- Lens Construction: 4 Elements in 4 Groups
- Length: 25.4mm
- Weight: 4 oz.
- Includes case
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i have always been a fan of Canon and have had these models over the past 8 years: Canon G1, ...
thanks for sharing this information really useful for me. nice picture also.