andre, Perhaps Pentax is at fault and their 20 is really 21 or 22?
Bruce Monday, April 22, 2002, 9:43:19 AM, you wrote: a> If this is the case, Bruce, Vivitar's marketing strategy is a> surprising: write 19mm on a lens that could be called 18mm or 17mm ! a> Today, 19mm would easily qualify for a typical "limited" focal lenght... >>I did compare it to my FA 20/2.8 and it is wider than that one, so I'm >>guessing it is wider than 18 or 19. >> >> >>Bruce Dayton >> >> >> >>Monday, April 22, 2002, 8:54:57 AM, you wrote: >> >>>>[EMAIL PROTECTED] >>>> >>>>The Tokina SL-17 is an old design. I've read that it's the same lens >>>>that's sold as the Vivitar 19mm. >> >>al> ...and Sigma 18mm 3.5 (last version) ...and Spiratone Pluracoat 18mm >>al> 3.5. I have this lens and it is identical to the Tokina 17mm sold at >>al> B & H. >> >>al> So, is it "really" a 17mm, a 18mm or a 19mm ? Any test that reveals >>al> its mesaured focal lenght ? >> >>al> Andre >>- >>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 . - 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 .

