Niokn D850+Sigma 800mm f5.6 ex apo dg hsm DSC_3148-1 by Peter Wu, 於 Flickr Niokn D500+Sigma 800mm f5.6 ex apo dg hsm DSC_2982-2 by Peter Wu, 於 Flickr Niokn D810+Sigma 800mm f5.6 ex apo dg hsm DSC_7997-2 by Peter Wu, 於 Flickr
主要是拍火車外,偶而拍鳥跟拍飛機! Nikon D4s+Sigma APO 800mm F5.6 EX DG HSM DSC_4340-2 by Peter Wu, 於 Flickr Nikon D850+Sigma APO 800mm F5.6 EX DG HSM DSC_0148-1 by Peter Wu, 於 Flickr