M45x0.5 male to M77x0.75 female thread adapter (filter step-up ring), short

• Front thread - M77x0.75 female thread
• Rear thread - M45x0.5 male thread
• Max. diameter - 80 mm
• Weight - 14 g

This adapter allows using M77x0.75 filters on lenses with M45x0.5 filter thread.

Made of anodized aluminium.

Compatible lenses:

• KMZ RO2-2M 2/75mm lens
• KMZ RO3-3M 2/50mm lens (old version)

Newer version of RO3-3M lens requires long version of this adapter.