Tamron 12 20mm f2.8 — spec questions and answers

Factual answers to common spec questions about the Tamron 12 20mm f2.8, drawn only from its published specifications.

What is the focal length of the Tamron 12 20mm f2.8?

20 mm

What is the maximum aperture of the Tamron 12 20mm f2.8?

f/2.8