Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
12-04-2010, 09:39 AM   #31
Veteran Member
GeneV's Avatar

Join Date: Oct 2008
Location: Albuquerque NM
Photos: Albums
Posts: 9,830
QuoteOriginally posted by rparmar Quote
That is the wrong conclusion, since no megazoom lens is going to perform to the standards of a fine prime. Brand has nothing to do with it.

Rather, one should not have unrealistic expectations in the first place. This new Pentax zoom is fine for those who want wide focal length coverage with weather sealing at relatively slow maximum apertures. It is never going to compare with the DA70.

Whether it is priced reasonably for what it delivers is up to the individual to assess.

But certainly the OP has unreasonable expectations.
Exactly. I really don't know what people expected of this lens. The posted photos were good, as is Adam's test. Comparing it to the DA 70--among the sharpest prime teles I have had the pleasure of attaching to one of my camera bodies--seems like something one does only as a matter of curiousity.

12-04-2010, 09:47 AM   #32
Veteran Member
GeneV's Avatar

Join Date: Oct 2008
Location: Albuquerque NM
Photos: Albums
Posts: 9,830
QuoteOriginally posted by ivoire Quote
I'm in agreement. I'd hoped this lens would exceed the 55-300 IQ. It just seems that a $200 price diff for "seals" and similar IQ is a bit much. From samples I've seen the IQ is not up to my expectations. Perhaps forthcoming samples will alter my opinion. Fl_Gulfer or anyone with this lens care to post samples?
Has someone tested against the 55-300? That would be closer to a fair comparison.
12-04-2010, 10:13 AM   #33
Veteran Member
Fl_Gulfer's Avatar

Join Date: Jul 2007
Location: Florida Gulfer
Photos: Albums
Posts: 3,054
The lens is just right with the K-5 since the ISO on the K-5 is execellent and the lens isn't that slow. I think they make a great team. Maybe not as good with the K-7 or K20d. But I'm very happy with it.
12-04-2010, 11:40 AM   #34
Veteran Member




Join Date: Aug 2009
Location: New York
Photos: Gallery | Albums
Posts: 401
Original Poster
QuoteOriginally posted by GeneV Quote
IQ on the Canon 18-135 is reported to be mediocre and the price is within 10% of the Pentax, but YMMV..... Canon EF-S 18-135mm f/3.5-5.6 IS - Review / Lab Test Report - Analysis
Thanks GeneV.
QuoteOriginally posted by Fl_Gulfer Quote
The lens is just right with the K-5 since the ISO on the K-5 is execellent and the lens isn't that slow. I think they make a great team. Maybe not as good with the K-7 or K20d. But I'm very happy with it.
I was thinking the same thing, but I have only a K20D.

12-06-2010, 01:20 AM   #35
Senior Member
akanarya's Avatar

Join Date: Aug 2010
Location: Çankırı, Turkey
Posts: 210
QuoteOriginally posted by Fl_Gulfer Quote
The lens is just right with the K-5 since the ISO on the K-5 is execellent and the lens isn't that slow. I think they make a great team. Maybe not as good with the K-7 or K20d. But I'm very happy with it.
what about on k-x? k-x's iso is good also.

i was looking for a lens that is sharp enough and fast for indoor conditions.
So, i am intended to buy a tamron 28-75/2.8 but this 18-135 has wider capability but a bit slow(but has fast AF claimed which is an important selection option for me).

BTW i have a 50/1.7 which has a great IQ, but not wide enough for indoor.
Since i used that prime, my sharpness expectation is a bit higher.
Which lens above can give near results to that prime? (or some other advices)

(of course i know that none of zooms can near to primes except 50-135, but i want to know how far indeed-- far may be wright word)

Thanks.
12-06-2010, 08:29 AM   #36
Veteran Member
rparmar's Avatar

Join Date: Jan 2008
Photos: Gallery
Posts: 8,795
You might wish to check out the Vivitar Bestiary, which grew out of this thread: Vivitar 28mm As FA31mm Replacement?
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
18mm, carl, da, f3.5, f5.6, focus, k-mount, k20d, pentax lens, photographs, size, slr lens
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Carl Zeiss Jena vs Pentax M @ 135mm f3.5, which one has the better IQ? HoBykoYan Pentax SLR Lens Discussion 26 02-26-2012 12:16 AM
re Jena zoom 11 macro Carl Zeiss F =35-70mm 1:3.5~4.8 albrechtnamatdurer Pentax SLR Lens Discussion 2 07-21-2009 10:39 AM
re Jena zoom 11 macro carl zeiss F =35-70mm 1:3.5~4.8 albrechtnamatdurer Pentax SLR Lens Discussion 0 06-05-2009 05:33 PM



All times are GMT -7. The time now is 02:12 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top