Samyang 800mm F/8 is it any good?

Rod decides to try out a Samyang 800 Reflex. The results are both surprising and expected. Samyang 800/8 delivers 60% more reach than the typical reflex 500mm with out sacrifices speed. Rod discovers what gives... Lightroom Mask video :    • Light Room Tips : Local Mask   Tamron SP 500mm video :    • Reflex 500mm Lenses, Any Good?   Couv Camera blog : https://couvcamera.wordpress.com/ #CameraShow #CameraSwap #PhotoFair