Rumors > Third Party Manufacturers
5Dmk3 doesnt play with kenko teleconverters
FlowerPhotog:
bchernicoff - I just read your post about the Kenko TC needing to be on the lens before mounting on the camera. I don't recall the mounting sequence I was doing the other day when I found it wouldn't work on four of my lenses (2 Canon and 2 Sigma). I just tried it per your suggestion with my Canon 100 2.8L macro and unfortunately, it still doesn't work - just locks up the camera requiring a battery removal to reset. That was one of the lenses that Kenko claims does work with the Mark III. I have a C-AF 1.4X Teleplus Pro 300 DGX model, recently purchased from Adorama.
Renato:
--- Quote from: FlowerPhotog on April 18, 2012, 09:39:13 PM ---Here's the 100% crop version of the shot with the 70-300L @ 300mm with the Kenko 1.4 (ie @ 420 mm)
--- End quote ---
That is excellent news. 5D M3 at f/8!!!
Does anyone have the 100-400 with a kenko 1.4X on a 5DM3? That would be interesting to know!
Mt Spokane Photography:
I tried several of my telephotos with my 5D MK III using Canon TC's with the pins taped. Only my 70-200mm f/2.8 non IS actually worked well. I used it with 2X and 1.4X stacked. My 100-400mmL struggled with 1.4X at 400mm, my 70-200mml f/4 IS + 2X was a total failure, it just hunted, my 135mm L only found focus on distant objects.
Some camera / lens combinations may work, but different bodies may very well act differently.
bchernicoff:
Do any of you that are having problems live in the Washington DC area? You are welcome to try my teleconverter on your body and lenses and I would like to try yours. Maybe if we can find a pattern we can submit useful feedback to Kenko.
mspivak:
I just popped on my Kenko extension tubes on to my 5D Mark III and they work just fine. I bought them about 2 years ago.
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