Luneta's new Sight Glass has all the clarity and durability you need, with none of the leaks, cracks or squinting you may be used to with those old-style oil sight glasses. You'll never have to use fragile, dark, hard-to-read oil sight glasses again!
|Comparison||Luneta Sight Glass||Acrylic sight Glass|
|Impact Resistance (Joules)||>40||8.9|
|Toughness or Durability (Notched Izod, 23-deg C, J/cm)||9.8||0.2|