Equipment
反射与折射
Refractor vs reflector
Lens-based versus mirror-based telescopes.
Reflectors give more aperture per yuan; refractors are fuss-free.
Related terms
- Eyepiece — The interchangeable lens that sets magnification.
- Barlow lens — A lens before the eyepiece that doubles the effective focal length.
- Dobsonian — A large reflector on a simple alt-az rocker box.
- GoTo mount — A mount that slews to a target and tracks it.