6-inch telescopes are basically for amateurs. On average, they provide 162-1800 mm focal lengths, and a range of focal ratios from f/3.9-f/10. They can magnify objects 295-320x times the human eye. They also can resolve double stars at 0.76 arcsec. You can get 6-inch telescopes from different brands in the price range of 310$ – […]

5-inch telescopes are basically for amateur astronomers and kids. On average, they provide  650-1900 mm focal lengths, and a range of focal ratios from f/5-f/15. They can magnify objects 225-260x times the human eye. They also can resolve double stars at 0.91 arcsec. You can get 5-inch telescopes from different brands in the price range […]

4-inch telescopes are basically for amateur astronomers and kids. On average, they provide  450-1350 mm focal lengths, and a range of focal ratios from f/3.9-f/9. They can magnify objects 204-236x times the human eye. They also can resolve double stars at 1.15 arcsec. You can get 4-inch telescopes from different brands in the price range […]

3-inch telescopes are ideal for kids and beginner astronomers. On average, they provide 300-900 mm focal lengths and a range of focal ratios from  f/3.9-f/12. They can magnify objects 152-189x times the human eye. You can get 3-inch telescopes from different brands in the price range of 262-5200$. What is a 3-inch telescope? A 3-inch telescope […]

2-inch telescopes are ideal for kids and beginners. On average, they provide 360-900 mm focal lengths and a range of focal ratios from f/5.7-f/12.9. They can magnify objects 122-165x times the human eye. You can get 2-inch telescopes from different brands in the price range of 85-730$. What is a 2-inch telescope? A 2-inch telescope […]