Your First Telescope
Most first telescopes let people down, and it is almost never the telescope's fault - it is that nobody explained what to expect.
Three things that matter
Aperture is everything. The width of the main lens or mirror decides how much light the telescope collects, and light is what lets you see faint things at all. Because it is about area, doubling the aperture collects four times the light.
The eyepiece sets the magnification. Telescope focal length divided by eyepiece focal length equals magnification. A 1200 mm telescope with a 25 mm eyepiece gives 48x; with a 10 mm eyepiece, 120x. The highest magnification worth using is roughly two times the aperture in millimetres, and the atmosphere usually caps you around 150-250x regardless.
The mount matters as much as the optics. At 100x a small nudge throws the target out of view, and a wobbly tripod ruins good optics.
What you will actually see
The Moon is spectacular from the first night. Saturn shows its rings clearly from about 100x. Jupiter shows two cloud belts and four moons. Deep-sky objects such as the Orion Nebula appear as glowing grey clouds rather than colour photographs - your eye's colour receptors need more light than they provide. A smart telescope stacks exposures and shows you the colour version on your phone instead.
Four telescopes we recommend for beginners
- Celestron StarSense Explorer LT 114AZ - 114 mm reflector, 1000 mm focal length, f/8.8. Phone-guided, the smallest sensible budget.
- Celestron StarSense Explorer DX 102AZ - 102 mm refractor, 660 mm focal length, f/6.5. Sharpest views, zero maintenance.
- Starfield Optics 8-inch f/6 Dobsonian - 203 mm reflector, 1200 mm focal length. The most you can see per dollar.
- ZWO Seestar S30 Pro - 30 mm smart telescope, 150 mm focal length, f/5. Colour astrophotography with no experience.
Not sure which? Call us at (905) 487-6363 or visit the showroom at 670 Hardwick Rd, Unit 5, Bolton, Ontario.