THE CONTE NDERS

Sigma 150-500mm f/5-6.3 DG OS HSM £700, $1070

Tamron SP 150-600mm f/5-6.3 Di VC USD £900, $1070

Sigma APO 50-500mm f/4.5-6.3 DG OS HSM £1000, $1660

Sigma 150-600mm f/5-6.3 DG OS HSM S £1500, $2000

Nikon AF-S 80-400mm f/4.5-5.6G ED VR £1900, $2700

Sigma 120-300mm f/2.8 DG OS HSM S £2700, $3600

Nikon AF-S 200-400mm f/4G ED VR II £4900, $6300

Sigma APO 300-800mm f/5.6 EX DG HSM £5500, $8000