1. Large-aperture parabolic primary mirror: Refractor telescopes use parabolic primary mirrors, with sharp central image quality, which improves the edge problem of the spherical mirror and ensures sharper and more delicate image quality.2.70MM large-caliber: large-caliber not only improves the resolution, has a stronger light-gathering ability, but also captures more dark stars and details.3. Stainless steel tripod: The sturdy stainless steel tripod is equipped with a locking knob to make the tripod's telescopic point more stable and make observation more stable.4. Star finder: It comes with a star finder, which can lock the target quickly and accurately. It is more convenient and comfortable to use the star finder to find the target.5. High-definition eyepieces: clear imaging, larger field of view, suitable for observing scenery and stars.6. Connect to mobile phone: You can directly connect to the mobile phone holder for direct observation and shooting.7. Two-speed focusing: Two-speed fine-tuning for focusing, focusing more accurately and quickly.8. Exquisite workmanship: the lens barrel adopts baking varnish process.9. Rotatable eyepiece: innovative triocular design allows you to install three different eyepieces (k9mm / k25mm / k17.5mm) at the same time.10. Compass: When you observe, the compass will rotate with the mirror body, which is convenient for you to locate the star at any time.