Suggest you compare specific lenses for such things as number and configuration of elements, weight, maximum aperture, filter size, etc. Such things tipped us off that Pentax's 28-105 of a year or so ago was actually made by Tamron. Joe - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
- Re: OT: Re-branded Sigma lenses Mark Erickson
- Joseph Tainter

