- refractorsÂ have a lens at the front of the tube
- it’s the type you’re probably most familiar with.
- while generally low maintenance, they quickly get expensive as the aperture increases.
- in refractor lingo, anÂ apochromatÂ offers better optical quality (and is more expensive) than anÂ achromatÂ of the same size.
Back to Which telescopes? page.