http://www.ayton.id.au/wiki/ Wed, 22 May 2013 04:18:49 +1000 FeedCreator 1.7.2-ppt DokuWiki http://www.ayton.id.au/wiki/lib/tpl/dokuwiki/images/favicon.ico http://www.ayton.id.au/wiki/ http://www.ayton.id.au/wiki/doku.php?id=photo:telescope_alignment&rev=1368874072&do=diff see also: * Astronomy - telescopes * collimating (optically aligning) a telescope * Starizona CCD Guide - Balancing a telescope * software to assist polar alignment with use of webcam: * Webcam Scheinern - free 30 day trial * Astrosnap - shareware version includes polar alignment gary1 photo Sat, 18 May 2013 20:47:52 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:compact_tough&rev=1368761563&do=diff see also: * mirrorless camera systems introduction * this niche of the compact digital camera world was initiated by Olympus and the combination of compact size, price, waterproof, shockproofing is now one of the few reasons to buy a compact digital instead of a much higher image quality, large sensor mirrorless camera systems camera such as a Micro Four Thirds system. * the image quality from these cameras is reasonable in good light at low ISO but their small sensors will limit printing … gary1 photo Fri, 17 May 2013 13:32:43 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:olympuszd150mm&rev=1368709363&do=diff see also: * Olympus Four Thirds dSLR system * Four Thirds lenses * super telephoto lenses * Olympus website product info introduction * Super High Grade (SHG) Olympus Four Thirds dSLR system lens * equivalent field of view and depth of field (DOF) as a 300mm f/4 lens on a full frame dSLR but with 2 stops more light yet more compact * this is an awesome nature photography lens * adding a EC-20 2x teleconverter gives a 35mm equivalent of a 600mm field of view yet effective aperture is… gary1 photo Thu, 16 May 2013 23:02:43 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:olympusomdem5&rev=1368708702&do=diff see also: * suggested settings for the Olympus OM-D E-M5 Micro Four Thirds camera * links to photoblogs of users of the brilliant Olympus OM-D E-M5 Micro Four Thirds camera * Olympus OM-D E-M5 issues, deficiencies and suggestions for improved firmware * Micro Four Thirds system * some of my photos taken with Micro Four Thirds cameras * Micro Four Thirds lenses * macrophotography for Micro Four Thirds cameras * flash for Four Thirds and Micro Four Thirds cameras * remote TTL flash with … gary1 photo Thu, 16 May 2013 22:51:42 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:mft14-140mm&rev=1368670300&do=diff see also: * Micro Four Thirds lenses * 3x standard kit zoom lenses for Micro Four Thirds introduction * most camera systems include a 10x zoom lens for daylight walk-around general purpose photography * by necessity, the aperture tend to be a rather slow f/4-5.8 range and the optical resolution and aberrations cannot be expected to match shorter range zooms let alone prime lenses * the smaller the camera sensor, the smaller the lens can be and the easier it is to make high optical qualit… gary1 photo Thu, 16 May 2013 12:11:40 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:nikon1&rev=1368530311&do=diff see also: * mirrorless camera systems * Micro Four Thirds system * Nikon F dSLR system introduction * Nikon announced its foray into the mirrorless camera market with its 1” 2.7x crop sensor format called Nikon 1 in September 2011. * unfortunately the small sensor means very limited ability to get shallow depth of field (DOF) and this will severely limit a enthusiast's ability to grow with this system and learn the finer points of photography, although the new 32mm f/1.2 lens would be a … gary1 photo Tue, 14 May 2013 21:18:31 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:canoneftele&rev=1368528904&do=diff see also: * Canon EOS camera system * Canon EF lenses * super telephoto lenses * see Canon Australia prices Canon EF 70-200mm f/4 L * 70-200mm f/4 L (112-320mm): * $A1400 w/o IS; closest focus 1.2m; filter 67mm; * IS version is 0.76kg & $A1999; gary1 photo Tue, 14 May 2013 20:55:04 +1000 http://www.ayton.id.au/wiki/doku.php?id=photo:olympusep5&rev=1368402864&do=diff see also: * comparison of current Micro Four Thirds cameras * Micro Four Thirds lenses * Olympus E-PL5 PEN Lite camera * Olympus OM-D E-M5 camera * Olympus PEN website introduction * announced May 2013 * it is an upgrade from the OlympusEP3 but with much improved ergonomics, functionality and image quality * it adopts most of the features of the awesome Olympus OM-D E-M5 camera except for weatherproofing, built-in EVF and grip supports * plus adds in the newer features of the O… gary1 photo Mon, 13 May 2013 09:54:24 +1000