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05-22-2010, 05:25 PM   #16
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QuoteOriginally posted by Mechan1k Quote
I have yet to test my Macro-Takumar 50mm f/4 (which i understand is a 1:1) .... also have a set of M42 extension tubes as well ... which i might muck around with as well and see how close i can get.
Pretty darned close:




Pentax K20D
Macro-Takumar 50/4 (Preset)
Handheld at 1:1



05-22-2010, 11:43 PM   #17
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Pentax also makes a ring-flash that is exceptionally good:
(mounted on a ME super w/ sigma 180mmm f/3.5 APO [IF] EX DG)
05-23-2010, 09:13 AM   #18
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And that newest ring flash won't work with the macro-Tak in p-ttl. It can be used in ttl on the *istD, DS, DS2 and some of the film bodies but not any of the newer dSLR. Otherwise, one may as well use an older ring flash.
05-23-2010, 04:58 PM   #19
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QuoteOriginally posted by Blue Quote
And that newest ring flash won't work with the macro-Tak in p-ttl. It can be used in ttl on the *istD, DS, DS2 and some of the film bodies but not any of the newer dSLR. Otherwise, one may as well use an older ring flash.
so you use it in manual mode, like 90% or macro photographers do. p-ttl and regular TTL are quicker but they can be unreliable.

05-23-2010, 05:04 PM   #20
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QuoteOriginally posted by Digitalis Quote
so you use it in manual mode, like 90% or macro photographers do. p-ttl and regular TTL are quicker but they can be unreliable.
Does Pentax discount the ring flash by 90% of its cost? Its not a cheap flash and rivals the price of a new body! My point was that money is spent on expensive 'late' technology that doesn't do all of that much to improve on the situation.

Edit: The Sigma ring flash is capable of doing multiple flashes over the duration of the exposure which has potential. This is negated with my macro-tak which is actually a very good macro lens.
05-23-2010, 10:37 PM   #21
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QuoteOriginally posted by Blue Quote
Does Pentax discount the ring flash by 90% of its cost? Its not a cheap flash and rivals the price of a new body! My point was that money is spent on expensive 'late' technology that doesn't do all of that much to improve on the situation.

Edit: The Sigma ring flash is capable of doing multiple flashes over the duration of the exposure which has potential. This is negated with my macro-tak which is actually a very good macro lens.

the pentax ring flash has the same capability, it can also keep up with 3fps shooting if you need to catch something that is unfolding quickly. the primary reason I own one is because of the beautiful quality of light it produces, I didn't like the quality of light the sigma produced, besides the sigma is not as powerful as the pentax AF160FC with a sigma 180mm f/3.5 I needed all the power I could get.

Pentax K-7 with Sigma 180mm f/3.5 APO EX DG 1/125s @ f/5.6 Iso 100 - AF160FC ringflash 1/16th power from several feet away form the subject.
05-24-2010, 07:34 AM   #22
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My point was that whether it is the new Pentax, Sigma or Metz ring flash, they have to be used in manual/thyristor with the macro-Takumar 50mm f4 lens. Dumping ttl on the newer bodies didn't make much sense. The flashes are more capable than the bodies can sometimes take advantage of.
05-24-2010, 07:43 AM   #23
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One day I'll learn how to use my Sigma.

05-24-2010, 01:31 PM   #24
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I also have the Pentax AF-160C ring flash, and can attest to how good it is.

However, getting back to the original poster's question, I just thought I should throw in from left field, a suggestion that is NOT a Pentax lens - the good old Tamron SP90 Macro. It is relatively affordable, gives superb results, has a good practical working distance, and a long history. The newer model is also slightly better, particularly against flare, or "flash-back".

I also have the wonderful Sigma 180mm macro, which gives me even more working distance, and great bokeh. But it is a BIG lens.

And yes, I have the 35mm Ltd Macro also - but I find it useful for non-living macros of objects, rather than "bugs and buds" due to the extremely close focus.
06-01-2010, 03:04 AM   #25
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Forgot Voigtlander?

Don't miss the Voigtlander 125mm f/2.5 SL Macro APO-Lanthar.

https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/56808-voigtlan...-so-sharp.html

Voigtlander 125mm f/2.5 SL Macro APO-Lanthar Lens Sample Photos and Specifications
06-01-2010, 04:37 AM   #26
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Staying with the Pentax brand the older A 100/2.8 macro works well for me. Here's a recent hand held image of Spirea



Great lens if you can find one. It will provide you with 1:1 without extension tubes and is quite fast at f 2.8.

Tom G

Last edited by 8540tomg; 06-01-2010 at 04:39 AM. Reason: typo
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