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Nikon TC-201 vs. Tamron Pro 2X with 70-300 ED Nikkor

BJNicholls

Salt Lake City, US
10095 posts

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BJNicholls Gold Member Awarded for his contributions to the community and the Resources Charter Member
Sat 10-Feb-01 12:18 AM

I couldn't decide which forum to post this in, but
since the comparision features Nikon optics I decided
on this forum.

Here is the first set of test images I created to compare
the Nikon TC-201 teleconverter with the Tamron "Pro" 2X
teleconverter (model 300F-FNs). This test was done using
my F100 body and my 70-300 f/4-5.6 ED Nikkor lens. After
learning just how difficult it is to eliminate vibration
blurring at 600mm, I invested in a Kinesis "bean bag"
which works wonders to stabilize this setup.

A few quick notes -

The Nikon TC-201 has no electrical connection to the
lens nor does it have an AF linkage. Manual focus only.
When it's used on cameras like the N/F80 it won't
provide metering capability either.

The Tamron Pro teleconverter has been highly rated
in reviews I've found on the net. It provides AF
linkage and electrical lens contacts. I you use it
with a lens faster than f/5.6, it will provide AF
operation on my F100 and N80. It will provide metering
capability for N80 and N65 when used with a CPU lens.
The Tamron Pro 1.4X and 2X converters are also available
as Kenko Pro converters. How this joint product marketing
came to be is a mystery, but it's verified from several
sources on the web.

As usual, my Minolta scanner is only capable of 2400 ppi
scans, so these images don't show all the detail I can see
using my low power microscope. However, the images are
representative of the results on film.

These are a pair of downsampled images showing the full
frame of the Provia 100 slides I shot. The images were
both shot at a nominal f/11 on the lens (effectively f/22
with the converters)and I was able to manage 1/250 shutter
speed (which worked fine with my new Kinesis Safari Sack
beanbag support). Notice that the Tamron TC image is
brighter and slightly warmer in color than the Nikon
TC image:






The following images are small sections of the full
scan that aren't downsampled or sharpened. The first
shows detail near the center of the slide, the second
shows detail near the edge. I won't point out the
differences yet - I'd like to see if you have the
same observations:





BJ

BJ

Zenfolio gallery

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