<ul> <li>Front side - 62.5mm inner diameter</li> <li>Rear side - M62x0.75 male thread</li> <li>Weight - 44 g</li> </ul> <p>This adapter allows using LOMO projection lenses that have 62.5mm barrel diameter on focusing helicoids with M62x0.75 thread. Such setup is great for portrait and macro shots.</p> <p>The adapter is secured by 3 screws.</p> <p>Made of light alloy, anodized to black color and laser engraved.</p>