Prism Sight
Also called: compact prism scope, etched reticle sight
A short, tough sight with a small amount of fixed magnification and a reticle etched into glass.
- Type
- Red Dots & Sights
- Magnification
- Fixed, often 1x to 5x
- Reticle
- Etched in the glass, so it shows even if the battery fails
- Size
- Shorter and lighter than a scope of the same power
- Used for
- Hunting, Target shooting
What it is good for
- Carbines and rifles used at short to mid range.
- Shooters who want more power than a red dot.
- Rough use.
Where it falls short
- Eye relief can be tight, and the eyebox is smaller than a red dot's.
- Fixed power only.
- Often costs more than a basic red dot.
Tips
- Mount it so you can see the whole reticle with your normal head position.
Works well with
- Red Dot Sight: the simpler, no-magnification option.
- Eye Relief: short on prism sights.
Field notes
A prism sight uses glass that folds the light path, which is why it can be shorter than a regular scope of similar power.
Related guides
Specs here are typical, not guarantees; models differ, so check the maker's published numbers. Never look at the Sun through any optic without a certified solar filter, and zero or mount a scope with the firearm unloaded and pointed in a safe direction. Rules on optics, such as scopes on certain hunts or lasers and electronics, differ by state; our state resources directory links to each state's official regulations. Want a buying guide? Read Choosing Hunting Optics.