Professional Telescopes Sun Film Filter Membrane 80-250mm
Professional Telescopes Sun Film Filter Membrane 80-250mm Solar Film Filter For Sun Observing Enduring Features:The solar film ensures optimal and durability.It’s ideal for both unassisted eye observation and astrophotography due to its innovative telescopic film properties.This sun filter reveals a reddish-yellow sun with enhanced durability for long term use in nature.Great for outings, and easy to with cloth, tissue, or even rinse with water.While reducing light and harmful radiation, the solar film does not compromise contrast. Specifications:Component: MetalDiameter: 80mm(3.15inch)/100mm(3.94inch)/120mm(4.72inch)/140mm(5.51inch)/160mm(6.3inch)/180mm(7.09inch)/200mm(7.87inch)/220mm(8.66inch)/250mm(9.84inch) Note:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the...