Canon EF-S 18-135mm f3.5-5.6 IS STM Teleconverter but remember: uncoupled means that

but remember: uncoupled means that you determine focus distance and then set it on the lens

and a clean diaphragm

Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K mount cameras and lenses

internal battery-powered light panel for stills or video

Canon EF-S 18-135mm f3.5-5.6 IS STM Teleconverter but remember: uncoupled means thatThe Canon EF S 18 135mm f3. 5 5. 6 IS STM is a high quality kit lens for EF S mount digital SLR cameras. It offers a flexible range of focal lengths from wide angle to mid tele, and its optical stabilizer eases handheld usage in difficult lighting conditions. STM autofocus is fast and very quiet. Clean glass, good function.