SV241 Pro has 3-Axis precise adjustment. Precisely adjust X,Y,Z three axes. It is compatible with most mobile phones. Z axis adjustment helps get the correct eye relief to capture the clear images and videos of celestral objects with your smartphone like never before. This mobile phone holder can be used for telescopes with an outer diameter range of 28-48mm. The SV214 Pro 3-axis universal smartphone adapter is compatible with almost any brand/model of iPhone/Android smartphone (width 55mm-105mm). Made of rigid aluminum alloy, doesn't bend, tilt or warp, holds your cellphone tight and perpendicular to the telescope eyepiece. EVA pads on eyepiece clip and phone clip protect equipment from wear and tear. 1.25 inch phone adapter suitable for 1.25"small eyepieces, 2 inch phone adapter applicable to large eyepiece. The digiscoping adapter can compatible with many telescope, like binoculars, microscopes, monocular telescope. Adjust the eyepiece clip and mobile phone clip to the appropriate position. You can use this mobile phone holder for astronomical observation and animal watching. SVBONY Wide Angle 62 Degree Aspheric Eyepiece; This telescope eyepiece set covers a range of magnifications suitable for different types of celestial objects.Add new life to your telescope and observing adventures. 4mm Eyepiece: Ideal for high magnification, perfect for observing planets, lunar features, and double stars. 10mm Eyepiece: A great middle ground, useful for both planetary viewing and some deep-sky observations. It balances detail and a wider field of view. 23mm Eyepiece: Provides lower magnification, making it excellent for deep-sky objects like star clusters and nebulae, as well as sweeping through the Milky Way. 23mm 62 degree telescope eyepiece, lower magnification and wide field of view can help find the object quickly, positioning and tracking celestial bodies become easier.