Product Description Do you want to see the deep sky? Do you want to explore the universe? Do you want to have a wider view with your automatic guide camera? SV 165 ultra guide scope is your best choice! Hot Spots Guide Scope Ultra Mini 30 mm 1.25 inches Lightweight and compact 4.4" long and weighs only 342 g/0.75 lb/12.06 oz. Solid construction The robust metal housing made of black anodized aluminum.Looking not only strong, but also very robust Sharp image Fully multi-coated dual lenses and lenses give you bright wide field optics. put in sight many Potential star guides so you never have to look for one! Rear Bocus diameter 45mm Rear focus length of 45mm makes focusing scope guide more precise Nylon thumb screw Comes with mounting rings with nylon tip screws to prevent scratching the telescope tube and it can be moved to any position Multi-use and compatible 1.25 inch mounting interface and M42 designed to be Compatible with ZWO and so on; Directly mount a camera or telescope eyepiece without a 1.25" adapter Specification: Lens Diameter: 30mm Focal distance: 120mm Laying: FMC Support Interface: 1.25 inch mounting camera or M42x0.75 Eyepiece Holder Type: Front Eyepiece Holder Back Focus. : Adjustable Tail dovetop: includes a 1/4" screw hole. Tube stroke: 45 mm Surface technology: sandblast oxidation Material: aluminum profile Net weight: 342 g Body size: 92x56x78 mm Package includes: 1 x SVBONY SV165 mini Scope Guide 2 x Sup