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Old Jun 11, 2007, 4:48 PM   #11
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Old Jun 11, 2007, 4:52 PM   #12
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Hey Everybody-

Is there an older book or books that you would reccomend that explains & gives the formulas that I see you quoting as regards focal length / extension tube length / magnification / etc.??

I don't always bookmark the posts that have that kind of information in them.

I'd really like to have some kind of hard copy to refer to & learn from.

Also, any reccomendations on older books that pertained to bellows / macro photography??

Thanks, Bruce
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Old Jun 11, 2007, 4:57 PM   #13
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darren,
it's got my mark ll (hehe, thanks, tim) flash difusser on it and i get plaenty of coverage.



this is a recent shot using that setup. i like shooting with the grip more but am too lazy sometimes to set it up.



just today i found some translucent plastic sheeting. there may be a mark lll on the way.

roy
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Old Jun 11, 2007, 5:07 PM   #14
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Thanks Roy.

Tried something similar after reading your posts, and the better bounce card post.

Seems to give good covereage.



Darren

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Old Aug 1, 2011, 8:54 PM   #15
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I altered an old (poor quality) manual 2X tele converter back from the 70's K Mart branded Focal. Just removed the glass lens, came out easy. Still has the stop down lever working, Works well on my Kr. It was so poor I never used it as a tele converter now I get some use out of it

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...It is better to burn a roll of film than curse the darkness. Equip. K30, Q7, DAL 55-300, DA 35 f2.4, DA 50 f1.8 DA 18-135, SMC-M 28 f3.5, SMC M 50 f1.4, Canon P&S S100 w/CHDK Beta, Panasonic DMC-GM5, Flickr:
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Old Aug 1, 2011, 11:39 PM   #16
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That's what I use for an extension tube also - mine was a Pentax K series 2X TC that was otherwise unusable. Mine also has a functioning lever for stopping down the aperture, but it has no contacts so I only use it with lenses having an aperture ring - FA and earlier.
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Old Aug 2, 2011, 11:49 AM   #17
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Originally Posted by hnikesch View Post
I altered an old (poor quality) manual 2X tele converter back from the 70's K Mart branded Focal. Just removed the glass lens, came out easy. Still has the stop down lever working, Works well on my Kr. It was so poor I never used it as a tele converter now I get some use out of it

Hans
I have done the same thing, both with a Albinar 2x and an ugly Tamron 2x Adaptall (easiest operation ever, just unscrew the glass elements). Works ok but i have noticed you need to make sure there is nothing shiny on the inside or the contrast will be lost. I have used both alone and stacked with my various Tamron SP lenses with excellent results.

John
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Old Aug 2, 2011, 11:50 AM   #18
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Originally Posted by baltochef920 View Post
Hey Everybody-

Is there an older book or books that you would reccomend that explains & gives the formulas that I see you quoting as regards focal length / extension tube length / magnification / etc.??

I don't always bookmark the posts that have that kind of information in them.

I'd really like to have some kind of hard copy to refer to & learn from.

Also, any reccomendations on older books that pertained to bellows / macro photography??

Thanks, Bruce
There are many excellent books on the subject. i have quite a few older ones that i got thru ABE books. Most are from the film days but basic info is the same, just now we don't have to do as much work

John
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