– 4″ (101.6 mm) optic diameter
– Stainless steel
– Annealed front panel
– Compact/robust design
– Super stable with flat spring
– Lockable adjustment screws
– Vacuum compatible version is available on request
– 4″ (101.6 mm) optic diameter
– Stainless steel
– Annealed front panel
– Compact/robust design
– Super stable with flat spring
– Lockable adjustment screws
– Vacuum compatible version is available on request