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<blockquote data-quote="Fortkentdad" data-source="post: 579378" data-attributes="member: 24285">Another day another trip to Jesse Lake to shoot some ducks and anything else that moves (or moves me).&nbsp; Today I packed out my 70-300mm Tamron and my 70-200 Nikkor to compare them with the Kenko TC attached. I also shot a few BIF's of seagull in the park with the Tammy without the Kenko.&nbsp; Much better at BIF's without it. Anyway.&nbsp; cut to the chase.&nbsp; This testing convinced me that the Kenko goes very well with my D7100 and the 70-200 2.8 but not so much with the 70-300 Tamron.&nbsp; It works and if I really needed that extra reach it might be worthwhile but I wonder if an extra crop on the the 70-200 with the Kenko wouldn't be better than the 70-300 with the T.C.&nbsp; I really should do a test to compare cropping a shot with the 70-200 at 280 cf to the Tamron 70-300 at 280 (and my DX Nikkor 55-300 at 280).&nbsp; Next test will need to be the 280 test to see. Anyway.&nbsp; Money does matter.&nbsp; What I saw today was that the $400 Tamron 70-300 is not as good as the $1,000 70-200 (VRI) which is not as good as the $1800 200-500mm.&nbsp; You know, sometimes you do get what you pay for.&nbsp; Pay more, get more.&nbsp; Here's the proof in the pudding[ATTACH]226708[/ATTACH][ATTACH]226710[/ATTACH]Above are shot with the Tamron and KenkoBelow with the Nikkor 70-200 and KenkoI think that will be my preferred combination.The Tammy combo works - but the I like the Nikkor combo better. [ATTACH]226711[/ATTACH][ATTACH]226712[/ATTACH]</blockquote>

[QUOTE="Fortkentdad, post: 579378, member: 24285"] Another day another trip to Jesse Lake to shoot some ducks and anything else that moves (or moves me). Today I packed out my 70-300mm Tamron and my 70-200 Nikkor to compare them with the Kenko TC attached. I also shot a few BIF's of seagull in the park with the Tammy without the Kenko. Much better at BIF's without it. Anyway. cut to the chase. This testing convinced me that the Kenko goes very well with my D7100 and the 70-200 2.8 but not so much with the 70-300 Tamron. It works and if I really needed that extra reach it might be worthwhile but I wonder if an extra crop on the the 70-200 with the Kenko wouldn't be better than the 70-300 with the T.C. I really should do a test to compare cropping a shot with the 70-200 at 280 cf to the Tamron 70-300 at 280 (and my DX Nikkor 55-300 at 280). Next test will need to be the 280 test to see. Anyway. Money does matter. What I saw today was that the $400 Tamron 70-300 is not as good as the $1,000 70-200 (VRI) which is not as good as the $1800 200-500mm. You know, sometimes you do get what you pay for. Pay more, get more. Here's the proof in the pudding [ATTACH=CONFIG]226708._xfImport[/ATTACH][ATTACH=CONFIG]226710._xfImport[/ATTACH] Above are shot with the Tamron and Kenko Below with the Nikkor 70-200 and Kenko I think that will be my preferred combination. The Tammy combo works - but the I like the Nikkor combo better. [ATTACH=CONFIG]226711._xfImport[/ATTACH][ATTACH=CONFIG]226712._xfImport[/ATTACH] [/QUOTE]

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