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SkyWatcher Heritage 100P 4" Dobsonian Tabletop Telescope #10245 (UK Stock) BNIB
SkyWatcher Heritage 100P 4" Dobsonian Tabletop Telescope #10245 (UK Stock) BNIB
SkyWatcher Heritage 100P 4" Dobsonian Tabletop Telescope #10245 IDEAL GRAB-AND-GO SCOPE - A PERFECT LIFESTYLE GIFT!! The compact Heritage-100P is a lightweight and convenient grab-and-go scope. With its quality 100mm f/4 parabolic optics, it can be used to view the Moon and bright planets and also has enough light gathering for the observation of star clusters, bright galaxies and nebulae. A 3/8" thread located on the base allows it also to used on a suitable field tripod. Supplied with gift box. PARABOLIC PRIMARY MIRRORS SKY-WATCHER DELUXE MIRROR COATINGS FREE Fedex Priority 24 & 48 Delivery to Zone 1 Areas
Features High Quality Parabolic Primary Mirrors to eliminate spherical aberrations inherent in 'fast' focal lengh reflectors with spherical primary mirrors. The mirrors are parabolized to bring all the light rays to the same focal point to give sharp, constrasty images, which are full of detail.
Most reflectors today usually have a coat of aluminium as the mirror surface and then an overcoat of silicon monoxide or silicon dioxide to protect it. Silicon dioxide produces a much more durable coat than silicon monoxide but requires specialized equipment to apply it and is therefore more expensive. Protection is needed, because in most reflectors, the mirror is open to the elements and deterioration of the reflective layer reduces the resolution of the telescope. ALL Sky-Watcher reflectors are Multi-Coated with Silicon Dioxide as standard for Optimum Durability and Long Term Performance.