SVBONY SV260 multi-bandpass filter is a 5-bandpass broadband pass light pollution filter. Equipped with OD4 cut-off depth and over 90% peak transmittance, the filter is designed to isolate 6-level light pollution and make light wave transmission maximum to enhance deep-sky details and improve the visibility of deep-sky objects. OD4 cut-off depth filters out the unnecessary light produced by artificial lighting including mercury vapor lamps, both high & low-pressure sodium vapor lights, and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). More than 90% peak transmittance reduces the light loss and delivers images of broadband-emitting objects, such as galaxies, reflection nebulae, and globular clusters, with minimal color cast. The SV260 filter effectively brings you a better shooting experience when starfield shooting and deep-sky photography. SV705C telescope camera is not only for planetary imaging; but also very powerful for EAA and lucky imaging; entry-level deep sky shooting; suitable for EAA enthusiast crowd. Compared with IMX485 sensor; IMX585 has 3 times the number of full well charges; and has a very high signal-to-noise ratio; which can improve users' shooting efficiency and capture outstanding celestial images.SV705C planetary camera adopts 1/1.2 inches frame; the maximum resolution is 3856×2180; the image area is 11.2mm×6.3mm; the diagonal is 12.85mm; obtain rich details of celestial bodies.