YJT-4 super high powered telescope
YJT-4 30x120 super high powered telescope is the scenic overlook binoculars for free. This big binocular is waterproof and suitable for indoor and outdoor, filled with nitrogen gas , fog-free and dust resistance. YJT-4 30x120 super high powered telescope has exquisite design and fine quality with elegant color selections suitable in any sightseeing places. This scenic overlook binoculars also has cast-aluminum body , resist fading , peeling chipping , cracking and rusting.

Advantages of 30x120 telescope:
High magnification and large caliber
1. High magnification: 30 times magnification allows observers to see further and clearer details of objects, suitable for observing celestial bodies, wildlife, scenery, etc.
2. Large aperture: 120 mm aperture can collect more light, improve the resolution and brightness of the
telescope, and make the observed image clearer and brighter.
Optical performance
1. High resolution: The combination of large aperture and high magnification makes the 30x120 telescope have a high resolution and can distinguish more subtle object structure and details.
2. Good color reproduction: high-quality optical lenses and coatings can effectively reduce color
difference and reflection, so that the observed object color is more real and bright.
Multifunctional application
1. Astronomical observation: this big binocular can be used to observe the details of the lunar surface,
the characteristics of planets.
2. Ground observation: YJT4 big binocular is suitable for observing wild animals, birds, scenery, etc.,
this big binoculars can also be used for sports events, outdoor activities and other occasions.
Suitable for beginners and professional users
1. Beginner friendly: The operationof this big binocular is relatively simple, easy to use, suitable for
beginners.
2. Professional user needs: For professional astronomy enthusiasts, wildlife observers, etc., the 30x120
scenic overlook binoculars can meet their needs for high magnification, large aperture and high
resolution.

Basic technical performance of YJT4 scenic overlook binoculars
Optical performance |
Magnification | 30x |
Exit pupil diameter | φ6mm |
Exit pupil distance | 18mm |
Field of view (FOV) | 3° |
Resolution | 2.5″ |
Objective lens diameter | φ120mm |
Eye distance adjustment range | 58~82mm |
Diopter | ±5SD |
Institutional performance |
Horizontal rotation angle | 360° free rotation |
Pitch angle | 30° tilted up 60° |
Host dimensions | 61cm (length) × 42cm (width) × 15cm (height) |
Observation time | The observation time can be set arbitrarily (5~9995 seconds) |





big binocular