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Aluminum Construction
Astronomers located in urban areas will appreciate the 700 Maksutov-Cassegrain CGEM II telescope's ability to bring out more contrast in celestial objects
even from light polluted areas
a guide scope
flat surface compared to other thin film filters that have wrinkles and creases
ZWO FF110 - 110mm f/7 Flat Field APO Refractor - FF110-APO William Optics Aluminum ConstructionZWO FF110 APO Flat Field Apochromatic Refractor Main Features Flexible Connectivity for Multiple Configurations Four Element Optical Design The FF110 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field flattener. One ED (extra low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting
US$ 19.95
US$ 790.00
US$ 220.00
