Blasphemer.
On 7/10/2013 6:26 PM, Darren Addy wrote:
After much whacking with a screwdriver and
hammer, the glass elements shattered one by one. I blew out all the
glass dust and voila! instant 25mm extension tube. I find it works
best with lenses that have good close focusing ability.
Hey,
That's very cool, Darren. I've often thought I'd love to try macro
with my 50-135. I figured that the SDM pass-through was not terribly
useful as manual focus would most likely be required, but for $100
I'll keep an eye out for one of these things.
On Wed, Jul 10, 2013 at 2:16 PM, Darren Addy
One day recently I came across a Tamron 2x teleconverter in a cheap
bag of kit. So, basically free. After trying it and researching it, I
realized it was just an awful chinese TC that had no redeeming
qualities. K-R mount too, but the pin is rounded so it doesn't seat
into the screw drive
Oh, I meant to say the 35-105 doesn't give that much more
magnification with the tube in macro mode. The macro mode moves it a
lot closer on its own, but with the tube on, it doesn't seem to gain
much. I find this curious. I don't know much about tubes other than
your are moving your plane of
After much whacking with a screwdriver and
hammer, the glass elements shattered one by one. I blew out all the
glass dust and voila! instant 25mm extension tube. I find it works
best with lenses that have good close focusing ability.
Hey, I'll bet that would work with the SMC Pentax-F 1.7x AF
NOO!
On Wed, Jul 10, 2013 at 5:26 PM, Darren Addy pixelsmi...@gmail.com wrote:
After much whacking with a screwdriver and
hammer, the glass elements shattered one by one. I blew out all the
glass dust and voila! instant 25mm extension tube. I find it works
best
I've known about the existence of such an extension tube for quite a
while. But I can hardly remember a time when I might have seen it
either offered for sale or photographs taken with its help. It is a
curious item. The most curious thing is why Pentax did not produce
such thing on their own.
Tripped across a piece of equipment that I was not aware of this
morning and (just in case others didn't know about it either) thought
I would pass it along.
It is a AF extension tube that works even with SDM lenses. It is
called the Kenko Uniplus Tube 25 and it was once made for Pentax, now
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