Scott Stoness
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 p.2 #5 · Options to get more reach | |
rscheffler wrote:
In OP's first post, they stated that FF (5DIV and 1DXII) with 70-200 is too short for the access they have as a parent/spectator.
7DII AF is outclassed by mirrorless. R7 has certain drawbacks but it has much higher pixel density than 7DII and superior AF, which OP stated as a high priority. Is it as good as R5II, R1? No, but it should at least be as good as the 1DXII.
The original R5 is an interesting option. It's e-shutter scan speed is ~1/60, meaning it is a compromise for certain ball and stick types of sports, but for others, it is viable. There will be rolling shutter distortion, but often it is not noticeable in single frames (without other frames for comparison). If it is a problem, then switch to EFCS. Being 45MP FF, it has decent pixel density for cropping but fewer of the R7 high ISO tradeoffs. 45MP is 17MP APS-C 1.6x Canon crop, which is basically 7DII territory. Yes, 7DII is a lot cheaper, but R5 will outclass it in pretty much every parameter.
A list of the e-shutter sensor readout speeds of many cameras: https://horshack-dpreview.github.io/RollingShutter/
I think bottom line is that money does buy something and the more you spend, the more you get. Better AF, better responsiveness, better sensor, better body, lens, etc., etc.
Obviously OP has to draw the line somewhere and the question will be what the best value for that amount of money will be. Without knowing budget, it's difficult to make that assessment. The EF 1.4x v3 is a good low cost, low risk first move.
@jjcpa@: what's the problem with 300/2.8 non-IS focus by wire? Age, reliability, repairability? IS v1 is not in a much different situation, IMO. Both are old and no longer supported by Canon. The non-IS will make a cheaper doorstop once it fails.  And for shooting sports action, you won't use IS anyway. Especially not v1 IS which is only good for ~2 stops when static and will fight every sudden movement you make to keep up with an erratic moving subject (based on first-hand use of this generation of lenses covering sports), resulting in odd image ghosting effects. Unless it's a static situation, it's best to turn IS off. Both also have the same downsides on mirrorless (slow EFCS frame rates). IBIS with the non-IS might even be better than the IS v1, though IBIS drastically loses effectiveness the longer the telephoto focal length....Show more →
I agree that money buys something. And that r7 provides a lot of effective magnification - with 1.4x and 1.6x and much more ability to crop 1.25x equivalent - because of 32mpx vs 24mpx. R7 makes 70-200 into 150(1.6x1.4)-560mm f4 (1.6x1.4x.1.25 cropping) equivalent. Versus the 1d IV, which is equivalent to 130-360mm f4 because of less ability to crop. But maybe 360mm is enough (if not 7d2 equivalent of 156-448/f4 might be enough).
I think get the 1.4x. See whether it's enough for keepers at a little higher iso. Borrow a 7d2 or buy it and sell it. 7d2 above iso800 is pretty close to r7 or r5 in apsc mode, for image quality. Even with r5 because of 45mpx for iso performance above is800. And better than the r7 by $1000 if you can get by with less cropping.
Try the 1.4x on your 1d IV first. Then may try the 7dii if you can borrow one.
I think that zoom is more important than fstop. The 300/2.8 is big, heavy, and prime. If you buy it you have to juggle lens/bodies and you will miss shots. Would you rather miss the shot because they move in close or get 1 stop (eg 12,800 vs 6400 ISO) less image quality. I would rather have 70-200/2.8 with apsc 1.6x1.4x (150-450f4) than 300 prime (that can be 420mm with even more risk of not being able to zoom out at f4). I would rather have 2 x 70-200/2.8's - one on 5div and the other on 7dii/1.4x - lighter, cheaper, and smaller.
Re focus by wire. You would forget this issue in short order if you had r5 or r7. But being 1/2 in mirrorless and 1/2 in dslr, will make you juggle more. Adapters, different menus, more expensive lens. But you would really like the a/f, buffer, eye tracing, pre burst.... and not like the big $$$$, that you can avoid with skill.
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