A 70mm telescope is a great starting point for beginners as well as more intermediate astronomers. You can have a decent view of almost all of the prominent objects in the night sky seen from the earth. In this article, I am going to share what you can see with a 70mm telescope.
A 70mm telescope (2.8” aperture size) will provide you with a clear view of the Moon and its craters. You can also check out some of the bigger planets in the solar system. Though don’t expect to see every detail of the planets.
Things You Can See With a 70mm (2.8” Aperture) Telescope
Before I start listing out the celestial objects, let me say that, with a telescope, nothing can be absolutely certain. The visibility will mostly depend on the atmosphere, light pollution, condition of the sky, your eyepiece quality, etc. Also, you’ll need a decent quality telescope to identify most of the celestial objects in the night sky. If you are looking for good quality telescopes that won’t break the bank but produce a good quality image, I’ll really recommend to check out my recommendation on the best telescopes for viewing planets and galaxies.
You’ll also need to know the ‘f/no’ parameter of the telescope. If the telescope is labeled as f/15, then the focal length will be f = 15 x 70mm = 1050 mm.
So, with a 10mm eyepiece, you’ll have about 100x magnification. You can easily add a 2x Barlow lens and enjoy a whopping 200x magnification.
However, more magnification doesn’t always mean a better view. For understanding all these parameters, read my article on eyepieces.
Considering a clear night sky with minimal light population, you can see the following celestial objects with a 70mm telescope:
Objects With In the Solar System
- The moon along with its craters
- The rilles of the moon
- Phases of the Mercury
- The polar caps of Mars
- Major dark surface of the Mars
- Cloud belts on the Jupiter (Here you can read my article on how to see Jupiter)
- Jupiter’s moons and their shadows
- Saturn, its rings and about 4-5 Saturn moons
- Sunspots (Of course with an aperture filter)
- Neptune and Uranus (Not very clear)
Stars and Nebulas
- Some double stars (1.5 – 2 arc-second separation) e.g. Albireo, Mizar, etc.
- Stars with about 11.5 to 12 stellar magnitude
- Emission nebulas
- Globular clusters
- Distant galaxies
- Planetary nebulas etc.
My Favorite 70mm Telescope For Beginners
- Superior optics: The Celestron 70mm Travel Scope features high-quality, fully-coated glass optics, a potent 70mm objective lens, a lightweight frame, and a custom backpack to carry it all. Its quality is unmatched in its class and against competitors.
- Powerful eyepieces for up-close viewing: Our telescope for astronomy beginners is equipped with two high-quality eyepieces (20mm and 10mm) that provide low- and high-power views of celestial objects at night and terrestrial objects during the day.
- Large 70mm objective lens: Our refractor telescope is equipped with a large 70mm aperture objective lens that provides enhanced, brighter views compared to the 50mm model while adding very little additional weight. Setting up and using the Travel Scope is quick and easy.
- Bonus bag, tripod, and software: This Celestron telescope and full-height tripod can be taken anywhere in the included travel backpack. Accessories also include a FREE download of one of the top consumer rated astronomy software programs.
- Unbeatable warranty and customer support: Buy with confidence from the telescope brand, based in California since 1960. You’ll also receive a 2-year warranty and unlimited access to technical support from our team of US-based experts.
Last update on 2021-10-23 / Affiliate links / Images from Amazon Product Advertising API