Indeed, maybe it is just the unique shape of my face that does not fit the larger diameter eyecups, but I did find that by rolling down the eyecups, I was able to get the full view much more easily by just lightly resting the binocular against my face. As expected, Mars is easily observable as a small red ball, but you can't really make out any other features than that, but am told that in better conditions you may be able to make out the basins from the red areas. These Celestron SkyMaster's have ocular lenses that are 23mm in diameter, which is around the same size as the larger ones found on most standard bins.

The SkyMaster 25x70s’ exit pupils are nearly perfect circles, and the aperture of these binoculars is a genuine 70mm, with only minimal clipping around one edge of the exit pupil, which does not impact the views. HD Vision with Quality Optics – This HD binoculars is specially designed with BAK-4 Prism and FMC film lens, which minimizes the loss of light due to reflection, ensuring brighter and clearer high-contrast images. The SkyMaster Series binoculars are built to provide years of magnificent views of the world around you and the heavens above.Celestron has designed and engineered the larger Sky models to meet the special demands of extended astronomical or terrestrial viewing sessions.

The light-gathering ability of these binoculars, which is what matters for deep-sky objects, is similar to that of a small, wide-field telescope in the 4” aperture range, though viewing with both eyes can have some contrast improvement, especially under light-polluted skies. It’s still essential to replace the included plastic tripod adapter, however, and using these binoculars with a tripod or monopod will significantly enhance your experience given their weight and the 15x magnification. Each pair of Celestron Skymaster Binoculars feature high quality BAK-4 prisms and multi-coated optics for enhanced contrast, clear, sharp views and ultra sharp focus across the field of view. The Celestron SkyMaster 25×70 Binoculars are a widely favored, budget-friendly pair of binoculars offered by Celestron.Please be aware that The Widescreen Centre cannot be held responsible for any postal or third-party delays that may occur. As an additional convenience, the 80mm and 100mm SkyMaster models also include an integral super rigid photo tripod adapter. Obviously I did not test them to destruction, but to me they look to be easily strong enough to take most normal, day to day bangs and bashes.

Each SkyMaster model features high quality BAK-4 prisms and multi-coated optics for enhanced contrast. Celestron's SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use - especially over long distances. Learn more about extra solar planets imagery, 3D Star rendering, observation planning, telescope control, multiple-panel printing, and much more.This adapter can then be attached to directly to your tripod or tripod head depending on your setup. However, as these binos where bought to scoop up fuzzies rather than planets I then turned my attention to some of them; as it was only just turning dark, I went first off for M13.