Nice review by Roger Cicala of Lens Rentals in the USA of the Swarovski 95mm scope and the new Canon 500mm lens and the 800mm telephoto as well:
http://www.imaging-resource.com/new...rovski-scopes-pinch-hit-for-a-super-tele-lens
http://www.imaging-resource.com/new...rovski-scopes-pinch-hit-for-a-super-tele-lens