With this lens from ASA (Astro Systeme Austria) you can make rich-field Newtonian telescope even richer, whilst correcting aberrations, for stunning wide-field views or shorter exposures while astroimaging.
Would you like to photograph Comet Lovejoy but don’t have a driven telescope mount? Now you can capture long-exposure wide-angle scenes with a DSLR camera using Baader’s diminutive yet fully-featured Nano Tracker.
Visual observers now have the benefit of wide-field eyepieces but astro-imagers are somewhat limited to the size of their CCD chip and when it comes to imaging large objects, they must take several images and build a mosaic.
Cleaning optics should always be approached as a careful, precise, military-style operation; this corralled armoury includes cleaning fluid, dust removal brush, a VariAir 200 compressed air unit, lens tissues and cotton swabs.
These new ED binoculars from Vixen, a particular affinity to their telescopic cousins is by virtue of the freedom of available magnification, since the choice of 31.7mm fitting eyepieces is left to the user.