William Optics 6x30mm finderscope provides a 6º field of view erected image. 

Convenient
• Erecting see-through view
• High-quality 30 mm objective.
• 6 degrees field of view.

Nice Fit & Finish
• Adjustable focus
• Powder painted

Eyecup 
• Rubber eye-cup to shield against stray light
• Long eye relief for comfortable view