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[1 of 1 customers found this review helpful]
from South Dakota on 2/20/2011
Comments about Kenko Kenko Teleplus Pro 300 DGX AF 1.4x Teleconverter for Canon EOS:
Results have been satisfactory so far
[2 of 2 customers found this review helpful]
Comments about Kenko Kenko Teleplus Pro 300 DGX AF 1.4x Teleconverter for Canon EOS:
Purchased this from Adorama to use with Sigma 120-400 /4.5-5.6 Apo HSM, also purchased from Adorama. Wasn't expecting what I have observed in static (tripod, remote shutter release)tests with my Canon 40D. With Sigma set to approximately 285mm x 1.4 mag factor = 399mm, the resolved detail on brick surfaces or Hardy Plank wall board textured surface (15 feet distance) is decernably better in an unadjusted RAW file than then equivalent prime lens magnification at 400mm without the Kenko in the light path. Similar findings were seen at distances shorter than 285mm + Kenko 1.4 C-AF/Pro300 DGX and their equivalent prime lens distance. The Kenko retains the autofocus capabilties on the Sigma lens while Sigma indicates their 1.4 adapter does not supported autofocus on this lens. Using the AV setting on the 40D, the prime lense exposure images appeared slight darker - F5.6, 1/120 sec than similar exposures with the Kenko in the light path - F8.0, 1/64 (approximately 1/3 EV measure by 40D metering system). Over-all - excellent investment if you've got a Sigma 120-400mm and wishing a little more magnification.
[1 of 1 customers found this review helpful]
from NW Ohio on 8/9/2010
Comments about Kenko Kenko Teleplus Pro 300 DGX AF 1.4x Teleconverter for Canon EOS:
I have used this with my 100-400 both with and without extension tubes to shoot dragonflies and other insects. I have also used it with my 150 macro lens. It works fine with both. The only minor complaint I would have is that the camera-side coupling is very slightly loose - not really a problem but is there [at least in this example]. The lens-side is fine.