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Review Summary
2011-09-07T21:00:00
THIS IS A HORRIBLE PRODUCT YOU ARE SELLING. IT IS NOT HELPFUL AT ALL. THROW ALL YOUR PRODUCTS AWAY! PLEASE..
GARY S.
Tele-Extenders extend the effective focal length of the optical system. They can be used in place of a Barlow lens for imaging applications.
The Tele-Extender R130S/R150S extends the focal length of the R130S from 720mm to 1440mm (f/11) and it extends the focal length of the R150S from 750mm to 1500mm (f/10)