The lowest cost field flattener / corrector that I could find for my SW 80ED refractor was the Starguider 2″ Field Flattener sold by Sky’s the Limit on ebay.co.uk. They have a £124 buy it now price currently. According to the seller (who is well-trusted in the UK) this is the same as the TS […]
Starguider 2″ Field Flattener (TSFlat2) on SkyWatcher Evostar 80ED
February 19, 2015 // by ecuador
DIY: Reducing DSLR Vignetting of 1.25″ Filter On 2″ Focuser
February 10, 2015 // by ecuador
We know how even with APS-C sensor you need a 2″ focuser to avoid significant vignetting. However 2″ filters are significantly more expensive (which can translate to quite some money for some nice AP filters that were recommended to me), and not as many options available (even fewer are available as clip-on and usually even […]