I did little experiment to figure out what is better to carry all the
time with me big and heavy but zoom Sigma 80-400 or light and sharp
Canon 200 2.8L with 2xTC.

Setup:

• Tripod
• Canon 40D
• Canon 200 2.8L
• Sigma 2xTC EX DG APO
• Sigma 80-400
  4-5.6 EX OS
• ceramic toy house

Conditions: