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objectives are categorized into performance classes on the basis of their transmission, chromatic correction, planarity, and others. from the point of view of the international organization of standardization (iso), there are three groups of objective classes differing in quality of chromatic correction. contact...
adobe labs, the new version includes features such as 'intuitive' importing, improved noise reduction, enhanced slideshows and direct online publishing options (such as flickr). lensbaby releases fisheye and soft focus optics oct , at : lensbaby has announced the addition of fisheye and soft focus lenses...
matteroner nawlins contrarian trioderob stan disbrow charles follow us mobile site about about us work for us advertise with us faq feedback interest-based ads privacy legal editorial content news camera reviews lens reviews printer reviews buying guides sample images videos editorial enquiries cameras & lenses...
bernard de clairvaux drj bassam guy brentbrent lichtspiel follow us mobile site about about us work for us advertise with us faq feedback interest-based ads privacy legal editorial content news camera reviews lens reviews printer reviews buying guides sample images videos editorial enquiries cameras & lenses...
with which he discovered that the ring of saturn was "a thin, flat ring, nowhere touching, and inclined to the ecliptic." it was with this telescope that he also discovered the first of saturn's moons, titan. he eventually developed in what is now called the huygenian eyepiece , a telescope with two lenses...
field camera... for robots jul , at : researchers at stanford have revealed a new ' d camera system' built for robots. the system is based on the same light field tech that allowed lytro cameras to refocus images after they were taken. satire: the death of 'beautiful rendition' and ' d pop' in modern lenses...
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