Eric,
I have a very large collection of old Takumar glass. I love to use
most all of it and I particularly enjoy focusing manually. A lot of my
'OLD GLASS' collection has M42 thread mounts. This is again easy to
use with the adapter ring that fits within the K mount of my modern
Pentax body, a K10D digital camera.
However, when I want to shoot flowers, I will often use my DA 50-200
and take along a couple of achromatic close-up lenses. This turns my
50-200 kit lens into a very easy to use macro lens. The fidelity with
either the 5T (62mm, 1.5 diopters), the 6T (3.0 diopter) Nikon, a
Canon (58mm 2.0 diopter) 500T or a 52mm filter sized Sigma Achromatic
Macro lens (1.6 diopter) I own make macro shooting a breeze.
Of course the screw on Canon or Nikon achromatic close-up lenses can
also be screwed onto my Takumar f1.9 85mm, my f2.5 135mm or my f4
200mm Takumar primes. I then take along a set of extension tubes to
short focus the 200mm prime and I have a great field kit that can get
really close. I also like to use an f4 100mm macro Takumar. The 1:2
close focusing can get even closer when I use step-up filter rings to
use the close-up lenses on the front of the 42mm filter sized 100mm
lens.
My next lens will probably be a fast DFA macro, such as the latest
100mm macro.
Richard Bush
On Jul 22, 2010, at 5:16 PM, J.C. O'Connell wrote:
And don't forget, the SMC PENTAX-A 70-210mm covers full
frame that may come in handy in the future if and
when Pentax gets around to releasing a professonal FF digital
SLR.
--
J.C. O'Connell (mailto:[email protected])
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-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf
Of Eric
Weir
Sent: Thursday, July 22, 2010 6:50 PM
To: Pentax-Discuss Mail List
Subject: Re: Lenses again, again
On Jul 22, 2010, at 6:22 PM, P. J. Alling wrote:
It they are the same price go with the 70-210. From my own
experience, I have a number of 70=210 lenses, the SMC Pentax F
f4.0~5.6 the vmc Vivitar Series 1, f2.8~4.0, (the third version of
that lens with the A contracts), and the Vivitar Series 1 f3.5, (the
second version, no A contracts), and the M 200 f4.0. The latter two
lenses don't see much use. The inability to use open aperture
metering makes them just two inconvenient, dispute their wonderful
optics.. I did some testing of all of those lenses at 200mm and found
the difference in quality to be too small for me to notice. By all
accounts the A 70-210 is very good optically maybe better than the
SMCP F 70-210 or either Vivitar. The only reason to go with the M 200
is if you want to pair down the weight you're carrying around. The A
70-210 is somewhat heavier..
Thanks, PJ. I hear a preference for prime lenses, but the ability to
control
aperture from the camera body really appeals to me. The folks quoted
about
the a 70-210 on Stan Halpin's site spoke very highly of it.
----------------------------------------------------------------------------
--------------
Eric Weir
Decatur, GA USA
[email protected]
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