400 because its lighter and a teleconverter like the canon ef 1.6x mark iii telecomverter can make it 600 on full frame or 960 i think on crop without loosing any quality
2026-08-19 00:57:00
2
Front Room Studios :
I love my 150-600 for aviation photography. I also love my 24-3000 for aviation photography.
2026-08-20 02:23:30
1
👑Boeing 787-8 Dreamliner👑 :
Its really depends on the lens specs and what you spot. I hear its nikon which lucky for you thats what i shoot so tell me more
2026-08-18 05:30:50
1
★K u r i★ :
I would say 400 bc your camera already has some multiplier on it, and 600 may be to much
2026-08-18 05:26:42
1
heli38 :
Since its a d3100 with no autofocus motor either one (I would personally go with 100-400 because it’s sharper and lighter) but the autofocus will be slow
2026-08-18 12:15:54
1
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