I have the A* 300 f4 and have to say that while it can be very good, it
falls short of being a truly excellent lens. It also falls short in the
close focus department. (Or maybe that should be that it falls long in
the close focus department.) I use the 1.7x converter on an A*400 f2.8
and it is a tremendous help, but the AF range is fairly limited, not
like a true AF lens, in my experience - it needs to be pre focused to a
fairly narrow tolerance. But, the AF adapter is still better than my
eyesight for fast focusing.
Mark
On 10/11/2013 5:24 PM, Rob Studdert wrote:
There's a big difference in optical capabilities between these three
lenses, the 300/4 variants are positively soft compared to the
A300/2.8, having owned and used both. I still have the A300/2.8 which
although unwieldy is a great lens when you need the speed and reach
and combined with the 1.7AF TC it becomes an excellent AF combo.
On 12 October 2013 02:21, P.J. Alling <webstertwenty...@gmail.com> wrote:
And for a little over 1/5th of that price have the A*300 4.0 or a little
over 1/6 the M* when they're available, and if you really want the feel for
carrying around f2.8 long glass you can get the [K} 300mm f4.0, (available
at KEH for less than 1/10 the price, which even though it's a big heavy
beast is still half the weight of the A* 2.8. Considering size weight and
cost, which lens am I more likely to haul around with me...
Bottom line you don't take many pictures with a lens you don't have with
you.
On 10/11/2013 8:47 AM, Darren Addy wrote:
If I had the discretionary income I would discreetly purchase this bad
baby:
Pentax-A* 300mm f2.8
http://www.keh.com/camera/Pentax-Manual-Focus-Fixed-Focal-Length-Lenses/1/sku-PK060090145530?r=FE
http://www.flickriver.com/lenses/pentax/smcpa300mmf28edif/
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