Used ZenithStar 61 f/5.9 Doublet APO (Space Grey) TMB the 16 mm is slightly

the 16 mm is slightly smaller and lighter than the 12 mm

The twist-lock eyepiece holder secures eyepieces while keeping them centered in the diagonal

This is a 9x50 finderscope in good condition

See the chart below for full compatibility details

so you can feel confident taking them on your travels

Used ZenithStar 61 f/5.9 Doublet APO (Space Grey) TMB the 16 mm is slightlyThis is a used Z61 in excellent, completely clean condition. This is from one of our most valued customers, who always keeps his gear in perfect shape. The optics are absolutely clean; the body is unmarked. This does not include the field flattener. This practically like buying one new, except that there's no warranty. Comes in its original soft sided case. We can ship this to you. Dew Shield Outer Diameter (for solar filter sizing): 80. 5mm Features