BM Premium 500mm Black

Advantages

• ✓Often lighter weight than BM Premium, making handling easier
• ✓Typically sold at a similar price point, providing comparable focal length

Disadvantages

• ✗Usually requires a separate teleconverter purchase to achieve 1000mm reach, adding extra cost
• ✗May need a third‑party adapter for Nikon cameras, unlike BM Premium's included adapter

Advantages

• ✓Similar optical design with multi‑coated elements for flare reduction
• ✓Often marketed with a robust metal barrel construction

Disadvantages

• ✗Typically does not include a teleconverter, requiring separate purchase for 1000mm capability
• ✗May lack the Nikon‑specific T‑mount adapter, necessitating additional accessories