Secret weapon how to promote your YouTube channel
The Olympus 40-150mm f/2.8 Pro Zoom Lens
This is my take on the Olympus 40150mm f/2.8 Pro zoom lens lens for Micro Four Thirds cameras. One of the truly great lenses.
Help keep my channel going Buy though my Amazon shop at
https://www.amazon.co.uk/shop/davidth...
In association with ePHOTOzine http://www.ephotozine.com
Sound post production by Charles Walkowski at www.walkowski.co.uk
See my M43 blog at http://m43blog.dthorpe.net/
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