Opteka Telephoto 2.2X for Pentax HD DA 55-300mm f/4.5-6.3 ED PLM WR RE Lens

condition: New

MPN: OPT22X58B

Brand: Opteka

Compatible Brand: For Pentax

Exterior Material: Aluminum

Model: OPT22X58MM

Mount: Pentax

Series: Pentax

Type: "High Quality", "Teleconverter", "Telephoto"

Year Manufactured: 2021

Focal Length: Fixed/Prime

Focus Type: Auto & Manual

Compatible Lens Front: 58 mm

Maximum Aperture: f/1.4