Kenko 400mm f/8.0 Mirror Lens

Model #K-ML400

USA Version
Kenko k ml400 1
Kenko k ml400 1
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User Reviews
B h photo.32817553
18 September 2013

I chose this 400mm mirror lens over two other 500mm models because it was the smallest and the build quality seems excellent. This is effectively an 800mm f/8 lens with great macro ability on my Olympus micro four thirds camera.

15 August 2013

The potential portability of this lens is what initially made it attractive. When attached to my D70, it is indeed a very light package. I carry it on long bike rides for photographing wildlife I see along the way. It also focuses very close, at a little better than a 1:3 reproduction ratio.

B h photo.32817553
18 October 2013

good experience with the lens

B h photo.32817553
21 May 2013

I purchased the Kenko 400mm/f8 mirror lens to use it on my Olympus OM D E M-4.No other prime tele lens 300 - 400mm is available for the mirrorless micro four thirds system.also the price was good.I tried it out on the beach the week-end after receiving it.

B h photo.32817553
26 July 2012

This nifty 400mm attached to my Sony NEX-7 takes great pictures-both long range and macro. If you don't mind manual focusing and experimenting with the exposure (in other words it's not a lens you would use for fast work) you wont be disappointed. However, a mono- or tripod is a must.

Product Highlights
  • Very Compact and Lightweight
  • Super Telephoto Focal Length
  • Works with Many Camera Models
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