On 3/13/2013 8:43 PM, Rob Studdert wrote:
On 14 March 2013 00:37, Zos Xavius <[email protected]> wrote:
I've been looking at the same lenses because I too need a standard zoom.  The 
photozone numbers for the borders look a lot better on the 16-45 wide open. At 
f8 they are neck and neck. The 18-55 wr  is also  sharper  @  55  than  the 
16-45  is at  45. Something  to consider. To  be honest, I  feel  like the  kit 
 lens  is  the sharpest  normal zoom  pentax makes. The  16-50* may  be 
slightly sharper along the  borders and is certainly better  at  wider  
apertures, but  I  think  it likely  has  more  field curvature. The 16-45  has 
 a  very  flat  curvature,  while  the 18-55 has a great  deal more at  the  
wide  settings,  so  the  16-45  may  be shaper  perceptually  in landscapes do 
 to  the  corners  being  more in focus.  I think  my  next  buy  is  actually  
a wr  18-55.  For $100 or so used, you can't really  go wrong. You won't feel 
too badly if it breaks either. You may find the 24mm equivalent of the 16-45 
more  useful  as  well as the  constant f4.  In my  opinion  both
seem  to  be  about  the  same with  the  16-45  producing  nice  corners  for  
landscapes. If I had more  cash on  hand  I  might  opt  for  the  16-45  tho I 
 do  find  the  55mm end  of  my  first  kit  lens  rather useful.....
I've owned an early 18-55 and later the WR 18-55 and very often when
reviewing images shot with either lens I wished that I had used one of
my better lenses instead (the 16-45 included in those better lenses).
Not a fan of the Pentax 18-55mm at all, they deliver mushy images from
my experience, their only saving grace is that they are very
inexpensive IMO.

--
Rob Studdert (Digital  Image Studio)
Tel: +61-418-166-870 UTC +10 Hours
Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio

Yet almost every review I've read that makes a comparison, says they're better than the competition...

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There are two kinds of computer users those who've experienced a hard drive 
failure, and those that will.



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