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  1. #11
    Senior Member

    Re: 500 f/4 vs 500 f/5.6

    I live at f8. When you shoot small, moving things that are 20 feet away at 500mm at f4 you have about 1.5" depth of field. At 5.6 you have about 2" and at f8 and you add another inch. That can make all the difference in your keepers, particularly with bigger birds. For something stationary where you're on a tripod then nailing eye focus is fairly easy, so go ahead and shoot wide open. But when you've got something hopping from branch to branch with a camera in your hands you want the shot first and foremost. I can always enhance OOF areas in post but I can't unmiss the shot. (Note: this is with my D500, and with a D850 you add a bit of depth of field at that distance, but you've also lost 50% of your focal length and need to crop.)

    There's a video someone shared with me (can't find it) from a European wildlife photographer where he's shooting with a 600mm f4 (Canon) and he talks about how shooting wide open gives him great backgrounds, but poor subjects because not everything interesting is in focus. f8 fixes that. I'm far more concerned with shutter speed adjustments, changing between 1/640 and 1/2500 depending on what I'm trying to get.


    › See More: 500 f/4 vs 500 f/5.6
    Last edited by BackdoorArts; 01-08-2021 at 01:36 PM.
    Thanks/Like hark Thanks/liked this post
     
    Jake
    (formerly backdoorhippie)



  2. #12
    Senior Member
    arshuter's Avatar

    Re: 500 f/4 vs 500 f/5.6

    Just as a side note both the 750 and 850 can be put into DX(crop) mode but way have all those megapixals if your not going to use them. Most of my photography is done in the early morning and late evening. That said game(deer) here in western pa is spooky and often hard to get any any kind of a standing shot of, most of mine are walking.
    Last edited by arshuter; 01-08-2021 at 04:44 PM.

  3. #13
    Senior Member

    Re: 500 f/4 vs 500 f/5.6

    Quote Originally Posted by arshuter View Post
    I'll be 62 in March, so weight will be a factor soon, and do a lot of hiking to get away from the crowds.
    That says 5.6 to me.

  4. #14
    Senior Member

    Re: 500 f/4 vs 500 f/5.6

    Quote Originally Posted by arshuter View Post
    Just as a side note both the 750 and 850 can be put into DX(crop) mode but way have all those megapixals if your not going to use them. Most of my photography is done in the early morning and late evening. That said game(deer) here in western pa is spooky and often hard to get any any kind of a standing shot of, most of mine are walking.
    Yeah but that's only worthwhile on the D850 since you're down to about 11-12MP's on the D750 in DX mode. Thing I hate about DX mode on a non-mirrorless is that you have a full viewfinder but and need to keep the subject in the center 40%. I tried that when I replaced my D7000 with a D800 and wound up buying a D7100 a couple months later. DX mode is impossible to shoot birds in flight with and the raw files are too damn big for what you get out of them.
    Jake
    (formerly backdoorhippie)

  5. #15
    Senior Member
    arshuter's Avatar

    Re: 500 f/4 vs 500 f/5.6

    Yeah good point wasn't thinking in that direction, moving objects. I gave my 7100 to my youngest daughter hoping she would learn to love this hobby/obsession.

  6. #16
    Senior Member
    STM's Avatar

    Re: 500 f/4 vs 500 f/5.6

    Quote Originally Posted by hark View Post
    Eventually I went with the Nikon 300mm f/4 PF and the Nikon 1.4x TC based on the images Jake posted a while back. I have no complaints about the IQ. When the 500mm f/5.6 PF was announced, Jake jumped on board. Once he started using that lens, just about all his wildlife images are taken with it. I remember him mentioning this Nikon 500mm PF to be sharper than his Sigma Sport zoom as well as the weight being so much more comfortable. And based on his results, it's definitely an amazing lens (and he knows how to get the best from it).

    Looking forward to seeing future images with yours.
    My go-to bird lens is usually the 600mm f/4 ED-IF AIS Nikkor on the D850, but undeniably it is a beast of a lens at over 14 pounds, one that cannot be hand held unless you are a body builder, something at 5'9' and 160 lbs (not to mention almost 63) I will never be. It is, however very useable and mercilessly sharp with a monopod and of course a tripod. When I got my 400mm f/2.8 ED IF AIS Nikkor, I found that I could use the D500 and get the same effective magnification, with somewhat less weight and bulk. It is somewhat hand holdable, demonstrably more than the 600mm f/4 but is still best on a monopod at least. it too is mercilessly sharp. The extra stop in maximum aperture is helpful for when the light levels drop, however. Although I don't ever recall using my TC-14B on either of them, both remain very sharp using the TC-300 (2x).

    My "bird beasts", 600mm and D850 and 400mm and D500

    500 f/4  vs 500 f/5.6-bird-beasts.jpg
    FTn, F2A, FT2, FE2, F4E, D850, D500, D750

    8-15mm f/3.5-4.5 AFS, 15mm f/3.5 AIS, 16mm f/2.8 AIS, 18mm f/3.5 AIS, 24mm f/2.8 AIS, 24mm f/2 AIS, 25-50mm f/4 AIS, 28mm f/2.8 AIS, 35mm f/1.4 AIS, 35-70mm /3.5 AIS, 50mm f/1.8 AIS, 50mm f/1.4 AIS, 50-135mm f/3.5 AIS, 55mm f/2.8 AIS Micro, 85mm f/1.4 AIS ,135mm f/2 AIS, 80-200 f/4 AIS, 105mm f/1.8 AIS, 105mm 2.8 AIS Micro, 180mm f/2.8 AIS, 200mm f/2 AIS, 200mm f/4 Micro AIS, 300mm f/2.8 AIS, 400mm f/2.8 ED IF AIS, 500mm f/8 Reflex, 600mm f/4 ED-IF AIS

  7. #17
    Senior Member
    arshuter's Avatar

    Re: 500 f/4 vs 500 f/5.6

    My back hurts just looking at that image
    Thanks/Like BeegRhob Thanks/liked this post
     





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