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-   -   doubler 2x? (https://forums.steves-digicams.com/pentax-samsung-dslr-k-mount-mirrorless/96620-doubler-2x.html)

lgbalfa Jul 29, 2006 8:55 PM

can anyone recommend a good one for my DL?

somewhere i can purchase from like BH photo?

thanks





mtclimber Jul 29, 2006 9:24 PM

lgb...

Anytime you utilize a doubler you a really choking off the light to your lens. Doublers are not magic, that is why they are really cheap. With lenses like the Tamron 28-300mm XR lens at less than $150, I have to ask why are we chatting about doublers? That is just my opinion, I sincerely hope that you will accept it as just that.

MT/Sarah

danielchtong Jul 29, 2006 11:19 PM



I have a Tamron/Kenko 2x¬* and¬* I have posted 7 full test pict at

http://www.pbase.com/danieltong/test

It is paired to a FA135mm2.8 vs an A*300mmF4

I would say it is decent at a price of around $60 used from KEH.

If I do not have the 300mm prime, I will be using it more.

I have not had a chance comparing that with a consumer zoom like Tamron 28-300

See what you think. Mind you FA135mm is very sharp by itself. Even if it is degraded somewhat, the result will still be very pleasing. The TC specifies only prime at or better than F2.8.

I think brand new the TC costs around $130 at B&H. An excellent copy from KEH is quite sufficient I believe.

Daniel

lgbsaab wrote:
Quote:

can anyone recommend a good one for my DL?

somewhere i can purchase from like BH photo?

thanks

¬*

¬*


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