Jim Gem Rectangular Cruising Prisms | Clear, 10 BAF | Accurate to ±1% | Narrow-Sharp Image for in Dense Timber | 20 mm x 40 mm | Supplied in Leather case

Accurate to ±1% of rated BAF

Gives a narrow-sharp image for good results in dense timber

Supplied in leather case

Clear glass prisms perform satisfactorily in most cruising conditions