This combination focal reducer and field corrector lens makes it possible to have a dual focal ratio instrument, without sacrificing image quality.If offers wide fields of view with any Schmidt-Cassegrain telescope and when used for astrophotography,...
The Sky-Watcher Field Flattener is a superb quality, non-focal reducing field flattener optimised for DSLR imaging on refractor telescopes with focal ratios of between f/5.5 to f6.0. Will also provide much improved results on refractors with focal lengths...
Designed for serious Astro-Imagers and optimised for the Evostar-120ED PRO, the Sky-Watcher 0.85x Focal Reducer/Corrector effectively reduces the telescope's focal length by a factor of 0.85x and provides much improved field-edge correction. Use in conjunction...
This Sky-Watcher Coma Corrector is optimised for all Sky-Watcher fast-ratio f/5 Newtonian Reflectors / Dobsonians, with 2 focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered. Supplied...
Optimised for Sky-Watcher superfast f/4 Quattro imaging Newtonians, delivering stunning wide-field views with pinpoint stars to the edge of the flat field, leaving the magnification unaltered.
Sky-Watcher M48 field flattener designed to optically match Esprit-150ED Triplet Refractor Telescope.Threaded especially for the Esprit-150ED with a M48 camera thread, with 2 multi-coated lenses housed in an aluminium body.