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- Q1373471 subject Q7800392.
- Q1373471 subject Q7890143.
- Q1373471 abstract "The Zeiss Planar is a photographic lens designed by Paul Rudolph at Carl Zeiss in 1896. Rudolph's original was a six-element symmetrical design.While very sharp, early versions of the lens suffered from flare due to its many air-to-glass surfaces. Before the introduction of lens coating technology the four-element Tessar, with slightly inferior image quality, was preferred due to its better contrast. In the 1950s, when effective anti-reflective lens coatings became available, coated Planars were produced with much-improved flare resistance. These lenses used the Zeiss T coating system, which had been invented by Olexander Smakula in 1935. They performed very well as normal and medium-long focus lenses for small and medium format cameras. One of the most notable Planar lenses is the high-speed Template:F/2.0/110 mm lens for the 2000- and 200-series medium format Hasselblad cameras.".
- Q1373471 thumbnail Planar_1896.png?width=300.
- Q1373471 wikiPageExternalLink en_CLB_40_Nasse_Lens_Names_Planar.pdf.
- Q1373471 wikiPageExternalLink de_CLB_40_Nasse_Objektivnamen_Planar.pdf.
- Q1373471 wikiPageExternalLink carl_zeiss_planar_14_50.html.
- Q1373471 wikiPageExternalLink index.html?HPID=carlZeissLensMicrosite:DSLR:Thumbnails.
- Q1373471 wikiPageWikiLink Q1135104.
- Q1373471 wikiPageWikiLink Q1568507.
- Q1373471 wikiPageWikiLink Q1818237.
- Q1373471 wikiPageWikiLink Q192234.
- Q1373471 wikiPageWikiLink Q282186.
- Q1373471 wikiPageWikiLink Q2904097.
- Q1373471 wikiPageWikiLink Q4035883.
- Q1373471 wikiPageWikiLink Q583040.
- Q1373471 wikiPageWikiLink Q64545.
- Q1373471 wikiPageWikiLink Q64980.
- Q1373471 wikiPageWikiLink Q7187781.
- Q1373471 wikiPageWikiLink Q723533.
- Q1373471 wikiPageWikiLink Q7800392.
- Q1373471 wikiPageWikiLink Q7890143.
- Q1373471 comment "The Zeiss Planar is a photographic lens designed by Paul Rudolph at Carl Zeiss in 1896. Rudolph's original was a six-element symmetrical design.While very sharp, early versions of the lens suffered from flare due to its many air-to-glass surfaces. Before the introduction of lens coating technology the four-element Tessar, with slightly inferior image quality, was preferred due to its better contrast.".
- Q1373471 label "Zeiss Planar".
- Q1373471 depiction Planar_1896.png.