Loupes
Basic Info :
Lens System
- Galilean:
- Set of two —a concave eyepiece and a convex objective
- Prismatic / Keplerian
- Two or more positive convex lenses
Magnification
- Galilean:
- Mostly Lower (2.0–3.5x)
- Prismatic / Keplerian
- Mostly Higher (3.5–6.0x)
Comments
- Galilean:
- Lightweight and affordable
- Prismatic / Keplerian
- At lower price points, heavier; limited width of field
Optical Aspects to Look At :
