SV555 Astrophotography Telescope Specs: More clear image; APO astro camera lens consists of a 3-group 5-piece petzval objective lens structure; which includes a set of triplet lens; bringing you a clearer image; 44mm full-frame; This telephoto lens can avoid aperture blocking; whether mirrorless camera; SLR camera; or deep-sky camera; you can photograph clear image without trouble; Mounting kit available; SV555 astrograph is equipped with a bracket and belt for EAF; you can get an accurate angle to photograph quickly and conveniently; Single-speed focus; the telescope camera lens supports fine adjustment; enabling you to adjust the photography angle accurately for fast shooting; Various aperture range; the astronomical photography lens can adjust the aperture from F22 to F4.5; meeting a variety of use needs; the included graded adjustment ring and scale also make it convenient for photography by preventing accidental touching; Compatibility; SV555 telescope camera lens features an M48x0.75 filter thread to install the 2″ filter; additionally; the V-style & Arca-Swiss quick-release system is compatible; flexible and easy to use; enhancing the efficiency; Convenient to use; the APO astro camera lens is featured with a handle; bracker; and dovetail plate; making it more convenient to use the lens when shooting. Brand SVBONY Model SV555 Objective Type Petzval Design（5 Elements in 3 Groups) Aperture 54mm Optic Coated FMC Focal Length 243mm Focal Ratio f/4.5-f/22 Focuser Helical Image Circle Φ 44mm (Full Frame) Lockable 360º rotator Yes Mount Type Dovetail Plate Dovetail Plate Length 184mm Front Filter Thread M72 Back-end connection M48x0.75 male thread Net Weight 2450g (excluding accessories)
