GEOPTIK ELEPHANT HERMETIC CASE H=280 DSLR 85x reducing factor will convert

85x reducing factor will convert the focal ratio of your Evostar 100ED from f/9 to f/7

About 90% at 500 nm

GM4000 HPS II Catalogue

Rotating helical

A deformation like this can be easily caused just by moving around the barycenter of a non-perfectly balanced telescope

GEOPTIK ELEPHANT HERMETIC CASE H=280 DSLR 85x reducing factor will convertGeoptik Elephant hermetic cases are anti shock & waterproof for your delicate instruments. The cases are certified IP67 for maximum resistance against water and dust. The polypropylene polymer structure can withstand shocks from impacts and has a very high weight capacity for objects stored on top of it. The case Elephant H=280 features: Pre cut diced foam Handle with soft grip Automatic pressure equalization valve Watertight rubber seal around the