<ul> <li>Front side - 82.5mm inner diameter</li> <li>Rear side - M77x0.75 male thread</li> <li>Max. diameter - 88.5mm</li> <li>Weight - 80g</li> </ul> <p>This adapter allows using anamorphic attachments that have about 82.5 mm barrel diameter on lenses with 77mm filter thread (M77x0.75).</p> <p>The adapter is secured by 3 screws.</p> <p>Made of anodized light alloy.</p> <p>Known compatible lenses:</p> <ul> <li>Rectimascop 2/64mm</li> </ul>