rs1 Posted April 12, 2006 Share Posted April 12, 2006 ...or what?<br> <p>A couple of photos from an outdoor market taken with the 55mm f2 SMC Pentax. I was impressed to see no flare related artifacts even though those gas lamps were extremely bright.</p> --spice seller--<br> <img src="http://members.shaw.ca/rajivsankranti/img650.jpg"><br> --fishmonger (fish are sharing space with the gas cylinder)--<br> <img src="http://members.shaw.ca/rajivsankranti/img653.jpg"> Link to comment Share on other sites More sharing options...
dan_fromm2 Posted April 12, 2006 Share Posted April 12, 2006 Huh? The halos around the lamps are flare. Link to comment Share on other sites More sharing options...
rs1 Posted April 12, 2006 Author Share Posted April 12, 2006 Duh! Ok... :-)<br> I didn't see the usual ghost images of the diaphragm and I got excited... Link to comment Share on other sites More sharing options...
guzzi01 Posted April 12, 2006 Share Posted April 12, 2006 I don't know if I'd call it flare, the lamps are part of the image, not a side light that could have been erased with a hood or filter. I don't think the photograph would be as {truthful?} eye catching without the 'Flare'. Just crop the lamp out of the second photo and see what I mean? Ahhhh Life Is Good Link to comment Share on other sites More sharing options...
jd_rose Posted April 12, 2006 Share Posted April 12, 2006 You may have been thinking of some of the "sunbeams" that mimic the diaphram when the camera is directed at a very bright point source. The flare is not objectional at all in these photographs. I sometimes wonder if Pentax SLR equipment isn't some of the most underrated stuff in the photographic market? --- JDR Link to comment Share on other sites More sharing options...
alex_lofquist Posted April 13, 2006 Share Posted April 13, 2006 I also believe that the Pentax lenses are not generally given the credit that they deserve. Perhaps they are some of the best on the market. Pentax also made a fine manual SLR body, the LX! Link to comment Share on other sites More sharing options...
vincenzo_maielli Posted April 13, 2006 Share Posted April 13, 2006 Your beautyful photos are a tribute to the extraordinary SMC anti flare system, the best together the T* of Carl Zeiss AG. Ciao. Vincenzo Maielli Italy Link to comment Share on other sites More sharing options...
rs1 Posted April 13, 2006 Author Share Posted April 13, 2006 Thank you Vincenzo! I have yet to try the T* Zeiss lenses and from what the results I have seen, they are extremely good. Link to comment Share on other sites More sharing options...
robweatherburn Posted April 13, 2006 Share Posted April 13, 2006 Add my vote for the Pentax lenses. Some really exceptional lenses - unbelievably overlooked by so many photographers. I love my Super Takumar 55mm f1.8. Link to comment Share on other sites More sharing options...
rs1 Posted April 13, 2006 Author Share Posted April 13, 2006 Rob,<br> I also have the 55 1.8 Super Takumar. Mine has yellowed a little with age. I think the prescription to remove that yellowing is to put it out in sunlight, which I need to do one of these days. The yellow is not that bad because it gives me nice skies in B&W. Link to comment Share on other sites More sharing options...
david_m Posted April 13, 2006 Share Posted April 13, 2006 The 55F1.8 does not normally go yellow, its the 50F1.4 that does that; some of them actually go brown. Link to comment Share on other sites More sharing options...
rs1 Posted April 13, 2006 Author Share Posted April 13, 2006 I just checked my lens and acually it is not a super takumar but an "55mm f1.8 auto takumar" and it looks more brown now. I think I gave it sun treatment. I could have sworn it was dark yellow because on colour prints, there was a noticeable dark yellow cast in the shadow areas. Link to comment Share on other sites More sharing options...
sebastien_lallement Posted April 13, 2006 Share Posted April 13, 2006 The yellowing of these lenses is due to the decay process of radioactive trace elements which are present in some special optical glasses used by Pentax (as well as Leitz and Kodak) at the time. To be safe, I suggest storing these lenses in a remote location of the basement of your house when not in use... Link to comment Share on other sites More sharing options...
rs1 Posted April 13, 2006 Author Share Posted April 13, 2006 Shoot! I sometimes used to carry the lens in my pants pocket... :-) Link to comment Share on other sites More sharing options...
sebastien_lallement Posted April 14, 2006 Share Posted April 14, 2006 I think there is no major risk for the health. Here is a list of lenses containing radioactive thorium: http://www.orau.org/ptp/collection/consumer%20products/cameralens.htm Link to comment Share on other sites More sharing options...
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