Photo at top: (Holland Black-necked Grebe) Geoorde Fuut 25 meter cloudy and juvenile. Photos taken with Sigma Sport 150-600mm f/5.0-6.3 OS [TC 1401]: (click -> […]

Photos taken using Nikkor 500mm f/5.6E PF VR with or without converter TC-14E II or III or TC-20 III: (click -> open picture, > < […]

Foto at top: Borderline case reach (bereik): Estimated distance 150 meter however still an acceptable picture (even some light in eyes bird): Holland migrating Caspian […]