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09-05-2009, 04:53 AM   #1
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Howerflies on sunflower, testing DFA100macro with a 1.7x AF converter (10 photos)

To get a bit more reach, while dreaming of a 180-200mm macro, I've tried out the SMC Pentax-DFA 100mm f2.8 macro with a Soligor 1.7x converter. The converter has screwdrive connection but no SDM. Have tried it out with severall lenses, for example the DFA100 macro and the DA55-300mm, and autofocus performance is quite good. I have difficulties to see any quality loss due to the converter on macro shots, but it is more noticeable when shooting in the 300mm range. Here is a serie with two howerflies on a sunflower.


#1


#2 Getting company.


#3 Short touchdown.


#4 Up we go again.


#5


#6 Closer at new angle.


#7


#8


#9 Even closer. Hairy ass!


#10

I think I can honestly recommend this converter for screwdrive lenses. Optically it is probably not as good as my Pentax-A converter, but the AF works. Lack of SDM connection doesn't matter since SDM doesn't appear to work on converters >1.5x. Being sold as Soligor, the same construction is probably also sold under different names.

09-05-2009, 09:47 AM   #2
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Bump! Anyone else tested this converter?
We have been so busy worrying about SMD capable converters (or their absence) that we forgot that their are decent working screw drive AF converters.
09-05-2009, 12:14 PM   #3
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QuoteOriginally posted by Douglas_of_Sweden Quote
Bump! Anyone else tested this converter?
Not that converter but I have used the Pentax 1.7x TC along with my Adaptall 2 90mm f2.8 macro lens.



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af, connection, converter, howerflies, k-mount, lenses, macro, pentax lens, screwdrive, sdm, slr lens, soligor, sunflower
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