William Optics FLAT6AIII special edition for Fluorostar 91

Adjust the distance for DSLR and mirrorless camera with the William Optics FLAT6AIII.

Specifications

• Full frame size
• Designed with nearly Full frame chip-size DSLR cameras in mind
• FMC triplet APO design
• Produced entirely with the best Ohara optical glasses
• Reducing factor 0.8X
• Adjustable design, for perfect back focus it can be used with other models of refractor
• 48mm filter ready
• Superb Finish
• William Optics polished anodized finish
• All internal surfaces threaded and blackened to prevent reflections
• Easy to Use
• Will accept any standard 48mm T-ring for your camera