SVBONY SV226 Black Astronomy Filter Drawer for Deep Space Photography and Astronomical Observation Easy to Install and Remove Filters

Svbony. Double pair of magnets, compared with traditional screw rotation, magnet has stronger adsorption force, which is convenient for you to install and use. Two filter holders, standard 1.25 and 2 filter holder, plug and play, reducing repeated disassembly and installation steps in a dark environment. Compatible with 1.25 2 filter installation, existing 1.25 and 2 filters can also be used, for beginners of photography, save the budget for changing filter sizes. CNC integrated molding, the advanced processing can assure the quality, provide more accurate, consistent results, you can use it with confidence. Lock screw, the locking function is helpful on adjusting the tension to eliminate the gap, which is a double insurance for you. Filter drawer thickness, the thickness is related to back focal length, back intercept affects the quality of imaging, it limits the use of accessories and optical path length