Foto at top: Holland sun Grey Heron, size 94cm distance 35m, Z7 II Nikkor 500mm f/5.6 PF VR equivalent 1500mm.
Fresnel technology Nikkors
Nikons two lenses using Fresnel optical technology are both wonderful fast focussing and really lightweight lenses. They have been at the heart of our bird photography in various types of wheather and available light during many years already.
Nikkor 300mm f/5.6E ED PF VR (755 gram):

The second lens from the left, improvised camouflage, is Nikkor 300mm f/4E PF VR.









































































Nikkor 500mm f/5.6E PF VR ED (1450 gram) not cheap but definitely worth its price (possibly some years saving):












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