Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
P. J. Alling wrote: The end user is the final QC. That's true of every manufacture these days. Read the Canon and Nikon Fora if you think their QC is any better. What struck me was that all three samples tested by DPReview had problems. Also, Andy Westlake, the DPReviewer, stated that DPReview has not seen problems of this kind in the 50mm Canon or Nikon lens that they have tested. Here's his post: http://forums.dpreview.com/forums/read.asp?forum=1036message=32551606 Here's the key quote from the end of the post: Over the past few years I've looked in some detail at a lot of lenses from all manufacturers. From Pentax we've had a disproportionate number of bad samples - most notably 16-50s and 17-70s - and they really need to sort out their QC. This is a pity, because their lineup for APS-C is (as I've said before) the most coherent of any manufacturer, especially with those lovely Limited primes. --Mark -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
All manufactures send review copies of their equipment to large outlets such as DPReview. I would not be at all surprised if Nikon and Canon did extra special QC on the lenses they send out and Pentax just grabbed them of the line. That would jibe with the whole marketing ans sales as an afterthought mentality exhibited until just lately. Mark Erickson wrote: P. J. Alling wrote: The end user is the final QC. That's true of every manufacture these days. Read the Canon and Nikon Fora if you think their QC is any better. What struck me was that all three samples tested by DPReview had problems. Also, Andy Westlake, the DPReviewer, stated that DPReview has not seen problems of this kind in the 50mm Canon or Nikon lens that they have tested. Here's his post: http://forums.dpreview.com/forums/read.asp?forum=1036message=32551606 Here's the key quote from the end of the post: Over the past few years I've looked in some detail at a lot of lenses from all manufacturers. From Pentax we've had a disproportionate number of bad samples - most notably 16-50s and 17-70s - and they really need to sort out their QC. This is a pity, because their lineup for APS-C is (as I've said before) the most coherent of any manufacturer, especially with those lovely Limited primes. --Mark -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- The free man owns himself. He can damage himself with either eating or drinking; he can ruin himself with gambling. If he does he is certainly a damn fool, and he might possibly be a damned soul; but if he may not, he is not a free man any more than a dog. --G. K. Chesterton -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
P. J. Alling wrote: All manufactures send review copies of their equipment to large outlets such as DPReview. I would not be at all surprised if Nikon and Canon did extra special QC on the lenses they send out and Pentax just grabbed them of the line. That would jibe with the whole marketing ans sales as an afterthought mentality exhibited until just lately. Another quote directly from Andy's post that answers the same concern: Given the fact that the Canon 50/1.4 USM and Nikon 50/1.4D I tested were bought by Phil years ago through normal retail channels for camera testing, this idea can safely be discounted. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
For those two particuliar lenses, yes. Good testers (specially those who can afford and DPR most probably can) get lenses from shops, not from the manufacturers. This really is simple thing to avoid any problem. Manufactures do this kind of things in every industrial markets: CPUs, GPUs always hand picked samples. If I had to make a demonstration of a software I developped and end the demostration by saying that it will work as well as that for my customers, promised. Would you trust me just because I said so? This is BS. I don't try to defend Pentax, they have issue and they have to deal with it. They'd better. But DPR are really amateurish at best. On Sat, Aug 1, 2009 at 6:16 PM, Mark Ericksonm...@westerickson.net wrote: Given the fact that the Canon 50/1.4 USM and Nikon 50/1.4D I tested were bought by Phil years ago through normal retail channels for camera testing, this idea can safely be discounted. -- Thibault Massart aka Thibouille -- Photo: K10D,Z1,SuperA,KX,MX, P30t and KR-10x ;) ... Thinkpad: X23+UB,X60+UB Programing: D7 user (trying out D2007) -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
Not that QC was better years ago when Phil wouldn't have been caught dead with a Pentax Lens... If you are going to recommend current equipment based historical purchases, you've invalidated your test. It's a subtle bias that sounds plausible until you examine it critically. Andy either has no historical perspective, didn't think it through or is biased, take your pick. As I said spend a little time reading the Canon and Nikon Fora. Mark Erickson wrote: P. J. Alling wrote: All manufactures send review copies of their equipment to large outlets such as DPReview. I would not be at all surprised if Nikon and Canon did extra special QC on the lenses they send out and Pentax just grabbed them of the line. That would jibe with the whole marketing ans sales as an afterthought mentality exhibited until just lately. Another quote directly from Andy's post that answers the same concern: Given the fact that the Canon 50/1.4 USM and Nikon 50/1.4D I tested were bought by Phil years ago through normal retail channels for camera testing, this idea can safely be discounted. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- The free man owns himself. He can damage himself with either eating or drinking; he can ruin himself with gambling. If he does he is certainly a damn fool, and he might possibly be a damned soul; but if he may not, he is not a free man any more than a dog. --G. K. Chesterton -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: Three samples were all bad (was: DPReview vs the DA* 55 1.4 SDM)
Chalk that up to philosophical transitioning between cultures.. On Aug 1, 2009, at 08:57 , P. J. Alling wrote: All manufactures send review copies of their equipment to large outlets such as DPReview. I would not be at all surprised if Nikon and Canon did extra special QC on the lenses they send out and Pentax just grabbed them of the line. That would jibe with the whole marketing ans sales as an afterthought mentality exhibited until just lately. Mark Erickson wrote: P. J. Alling wrote: The end user is the final QC. That's true of every manufacture these days. Read the Canon and Nikon Fora if you think their QC is any better. What struck me was that all three samples tested by DPReview had problems. Also, Andy Westlake, the DPReviewer, stated that DPReview has not seen problems of this kind in the 50mm Canon or Nikon lens that they have tested. Here's his post: http://forums.dpreview.com/forums/read.asp? forum=1036message=32551606 Here's the key quote from the end of the post: Over the past few years I've looked in some detail at a lot of lenses from all manufacturers. From Pentax we've had a disproportionate number of bad samples - most notably 16-50s and 17-70s - and they really need to sort out their QC. This is a pity, because their lineup for APS-C is (as I've said before) the most coherent of any manufacturer, especially with those lovely Limited primes. Joseph McAllister pentax...@mac.com Gaudeamus igitur, juvenes dum sumus... http://tinyurl.com/ndmfhb -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
