Canon Speedlite 430EX III-RT Filter Type_Polarizing The Nikon TC-20E is an

The Nikon TC-20E is an autofocus teleconverter designed for select Nikon AF-I and AF-S telephoto lenses (here's Nikon's product page with details)

with minor finish wear

Leitz Extender-R 2x teleconverter for R series SLR cameras in excellent condition

This D7100 is in good condition

This adapter does not have contacts for electronic communication

Canon Speedlite 430EX III-RT Filter Type_Polarizing The Nikon TC-20E is anThe Canon Speedlite 430EX II is a compact flash for Canon digital cameras with full E TTL II E TTL compatibility, manual control, and 2 way wireless communication to facilitate the use of off camera lighting. Includes a case, stand, manual, and box.