I did a little research before buying and Sigma seems to have made a
number of similar lenses. It looks like at least two slightly different
variable aperture versions from f4.0~5.6, though the only real
information available is on the latest one with the HSM focus motor, and
the f3.5 constant aperture version that I picked up.
It seems to be the best optically based on the reviews I've read, and
based on the pluses and minuses, probably better than the other 3rd
party variable aperture APS-c ultra wide zooms in the range from 10mm to
2Xmm, maybe even better than the low end Nikon and Canon offerings.
So far I haven't shot anything except stupid tests.
I went out for a Drive to scenic Stonington CT., but didn't see anything
I wanted to get out of the car for, I can't say it's real cold here, but
it isn't exactly warm either...
On 12/3/2020 2:48 PM, John wrote:
I have that lens. I think I have that lens - there were two versions,
an f/4 & an f/3.5 - f/4, but I think they're both really f/4. I don't
know which "version" I have.
It was part of a deal where I got the 10-20mm, a 35mm f/1.4 and the
"Bigma" all used for $1K.
It's a VERY wide angle of view at 10mm (110° IIRC).
On 12/2/2020 17:37:42, P. J. Alling wrote:
Fun fact, Thunderbird wants to correct Enablement to Enfeeblement,
could be more right than I want to admit.
Back to my original point. I just received my "new", refurbished
actually, Sigma 10-20mm f3.5 from KEH.com along with a Pentax silver
(MZ/ZX), strap, with snap pockets, which are just the right size for
SD cards. Both are now proudly on my K-3. It's a late birthday
present early Christmas present to myself.
I'll post a mini review after I have a chance to play with it a bit.
However, my first impression is pretty favorable. This lens is one
fat stubby little sucker. The finish is typical Sigma, feels solid
in the hand, rubberized everywhere, focus and zoom rings are well
damped, there are no hard stops on the focus ring.
Just off the bat, it would be nice if there was a mark on the zoom
ring where the lens is at it's minimum physical length since that's
somewhere between the 17mm and 14mm focal length marks.
I've fired a couple of shots using the K-3 just to see if everything
is working correctly and it seems to be.
So why didn't I get the Pentax DA* 11-18 f2.8 or Pentax DA 12-24
f4.0? Well price of course in the case of the former. The KEH.com
refurbished Sigma was Less than a quarter the cost. The 12-24 has now
become difficult to find, and the price for a "New" Sigma lens was
outstanding so I have a new adventure.
--
Any idiot can shoot with a Canon, Nikon, or Sony, it takes a special kind of
idiot to use a Pentax.
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