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Archive 2012 · D50 and 1.4 teleconverter?
  
 
gpop
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p.1 #1 · p.1 #1 · D50 and 1.4 teleconverter?


Hello everyone.
I don't know a dang thing about the nikon system....

a friend has the D50 and a tamron 28-300 f3-6.3 and wants to know if the kenko 1.4 teleconverter will work with this kit.
he's concerned about auto focus more than IQ.

can anyone tell me if (a) this will work, (b) what kenko model to use, or (c) if there is another inexpensive alternative or suggestion?

it will be used for casual vacation and some surfing shots in good light. nothing too serious.

please use small words and treat me as a noob, I don't know any nikon specific terminology.

many thanks.






Mar 07, 2012 at 07:47 PM
davidnholtjr
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p.1 #2 · p.1 #2 · D50 and 1.4 teleconverter?


That is not a good idea as it will make the lens f/9 on the long end and it will proudly not AF at all and the viewfinder will be very dark. Plus the IQ would not be very good. Nikon recommends that to have good AF use a lens f/5.6 and faster.

If he wants good AF with a 1.4 TC then needs to spend a little money. I recommend a used 300mm f/4 AF-S and a Kenko 1.4 TC.



Mar 07, 2012 at 09:57 PM
euua
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p.1 #3 · p.1 #3 · D50 and 1.4 teleconverter?


a) wont work - well it will but MF and very poor results
b) in case you still want too any DG will work
c) what do you mean by inexpensive ?? 500.00




Mar 07, 2012 at 11:39 PM
gpop
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p.1 #4 · p.1 #4 · D50 and 1.4 teleconverter?


thanks for the replies.
I assumed that it was asking a bit much to add a 1.4x to a lens of that speed, but it never hurts to ask.

his budget is sub-$200, so clearly he's not going to find an AF lens anywhere near 400mm.



thank again everyone.



Mar 07, 2012 at 11:48 PM
 

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Betacamman
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p.1 #5 · p.1 #5 · D50 and 1.4 teleconverter?


Would a D50 autofocus with the old Sigma 400mm 5.6? That can be found used fairly cheap.


Mar 07, 2012 at 11:55 PM
euua
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p.1 #6 · p.1 #6 · D50 and 1.4 teleconverter?


sorry buddy but nope !
sigma is old screw driven lens just like nikon D lenses so it is MF only.

Betacamman wrote:
Would a D50 autofocus with the old Sigma 400mm 5.6? That can be found used fairly cheap.




Mar 09, 2012 at 02:24 PM
davidnholtjr
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p.1 #7 · p.1 #7 · D50 and 1.4 teleconverter?


euua wrote:
sorry buddy but nope !
sigma is old screw driven lens just like nikon D lenses so it is MF only.



The D50 has a screw drive AF motor in the body, so it will work with the sigma lens.



Mar 09, 2012 at 02:38 PM
euua
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p.1 #8 · p.1 #8 · D50 and 1.4 teleconverter?


my mistake then - I wasnt around when D50 was out

davidnholtjr wrote:
The D50 has a screw drive AF motor in the body, so it will work with the sigma lens.




Mar 09, 2012 at 05:34 PM





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