Opticron Waterproof Case for MM3/MM4 60 Travelscope - Black 85mm_portrait_lens With its small‑scale dimensions with

With its small‑scale dimensions with a length of only 12

Weighing just 130g and measuring 46

What's the difference between the Mk II and Mk III

4 is Nikon's classic fast standard prime in AI mount - 50mm focal length

Opticron Waterproof Case for MM3/MM4 60 Travelscope - Black 85mm_portrait_lens With its small‑scale dimensions withA custom fit waterproof case for Opticron MM3 and MM4 60mm straight travelscope bodies. The padded rigid construction protects your scope from impacts, moisture, and dust during transport and storage. Sized precisely for 60mm straight body travelscopes (model reference 96). The waterproof shell keeps your scope safe during rain or damp conditions.