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p.1 #7 · p.1 #7 · New OM-1 with 100-400mm vs Sony A7iv with 200-600mm | |
gunmetal wrote:
It will be better than the A7iv in some areas and worse in others.
Wins
- Cheaper
- Faster bursts: 50 and 120 frames vs 10 (and the 10 on sony takes you down to a compressed file compromising dynamic range)
- Silent Shutter that is usable. It's possible the A7iv e shutter is usable so this would be a wash. A7riv was horrific.
- Pro capture
- Lighter weight glass
- Better EVF
- Better weather sealing
- Slightly lighter body
Losses
- Image quality
- Supports CFExpress which means quicker read/write teams and I would think better buffer potential
- More Mega pixels to play with for cropping
I'm sure I'm missing some where the Sony wins. But I think if the image quality of the M43 system is acceptable to you, it's kind of a no brainer. Especially if you think weight and portability will play a role. I owned the 200-600 and as lovely as it was, it's massive.
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You missed out the biggest reason - the OM-1's incredible autofocus!
Aside from the burst rate, the OM-1 is the first MFT camera that has dependable AF. For one, its AF isn't hesitant at all for stationary subjects, like that of older OM-Ds. More importantly, it doesn't fail you in BIFs, even with challenging situations. Is it 100% reliable? No, it is not. But when it misses, it refocuses quickly.
I wish I had good examples to share, but RAW files aren't supported on most programs yet and OM Workspace is a PITA to use. But even when I'm shooting swallows over water, for example, the camera isn't confused by waves and gains focus even at very close range, and even if the subject is at the very edge of the frame. This is totally unlike older OM-Ds which were hit or miss at the best of times.
Also, the details are sharper and I can shoot at ISO 10,000 or 20,000 and still have usable results. The sensor is "only" 20 MP but much better.
This is a $2200 camera that's competing well with the A1 and A9 series in terms of AF. If OP used an A9 or A1 it would be a toss-up but they'd definitely get many, many more keepers than with the A7iv, not even considering the burst rate.
OP: the Oly 10-400 is slightly sharper at 400mm but not worth trading in if you're happy with your Panasonic. The weight is similar but the Panasonic is a lot smaller and that has to count for something. MirrorlessComparisons has a great article on this topic: https://mirrorlesscomparison.com/micro-four-thirds-lenses/olympus-100-400mm-vs-panasonic-100-400mm/
If I'm not mistaken, you'd also get 50 fps with the Olympus vs. 25 fps on the Panasonic, but 25 fps is plenty.
EDIT: I confused the AF performance of the Sony A7iv with that of the A7Riv, so please ignore that part. I guess the A7iv will have a similar, slightly better AF performance but you get many more keepers with the OM-1 thanks to its burst rate. The OM-1 would be much quicker to acquire focus and to refocus.
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