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Sony Full-Frame vs. Olympus OM1 II?

  
 
raminolta
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p.5 #1 · Sony Full-Frame vs. Olympus OM1 II?


I would respond only briefly because I don't want to waste my life arguing with strangers online, lol. I did not say no information is lost. Of course, when you project an image with 15 stops of DR on a monitor with lower DR, some information would be lost. However, that does not mean the entire advantage of the 15 stops of DR is gone away. Through proper tone mapping, a lot of the details that are available in the highlights and shadows can be compressed and shown on the monitor. If one starts with an image file containing 15 stops of DR, the result can vastly differ from the result when one starts with an image that contains only 10 stops of DR. The difference can be depicted even on a monitor which has only 10 stops of DR.

Regarding weight difference, again you are comparing one system with a certain number of lenses to another system with a number of similar lenses which may not be applicable to everyone/ For example, if someone only carries one body + one lens at a time, say a normal lens, the difference is slight or perhaps nonexistent. Not everybody carries a camera bag containing multiple lenses at the same time.

Example:

A7c r (429g) + Sony 40mm or 50mm G lens (173g) = 602g
OM5ii (418g) + OM 17mm (120g) or OM 25mm (156g) = 574g or 538g depending on the lens.

While there is a difference, it is too small to be factor to matter from a practical point of view for someone who does not carry more than one lens with him/her at a time. What I'm saying is that people should not assume they are going to automatically get a noticeable weight advantage simply by switching their camera system (FF to m43). The result depends on the individual and what collection of lenses he is seeking and using and his photographic style and habits.


Frogfish wrote:




Edited on Aug 07, 2025 at 08:18 AM · View previous versions



Aug 07, 2025 at 12:06 AM
Frogfish
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p.5 #2 · Sony Full-Frame vs. Olympus OM1 II?


raminolta wrote:
I would respond only briefly because I don't want to waste my life arguing with strangers online, lol. I did not say no information is lost. Of course, when you project an image with 15 stops of DR on a monitor with lower DR, some information is lost. However, that does not mean the entire advance of the sensor with 15 stops of DR is gone away. Through, proper tone mapping, a lot of the details that are available in the highlights and shadows can be compressed and shown on the monitor. If one starts with a n image file
...Show more

To respond in kind - I also do not want this debate, however educational, to continue ad infinitum, I have much better things to do at this busy time. However I do want to point out that much of what you (and Ruthenium) are saying whilst technically correct, does not relate to a substantial difference in the real world.

This is why you are incorrect on your previous statement (sorry, incorrectly assigned, I meant that of Ruthenium) of the A7r5 substantially out-performing the OM-3 (the camera I used most) in a basement club BTS. Regardless of what you think your (Ruthenium's - sorry again I've mixed a number of posts together) science is telling you I am the one who shot and processed the many images and the f1.2 lenses on the OM-3 performed very well and up to the level of the A7r5 with f1.4 lenses, after processing (which I mentioned and Ruthenium ignored).

As I stated Ford vs Ferrari and both got to the destination. The only criteria was a final image devoid of noise and without substantial degradation that would negatively affect the image to the extent people would notice (zero degradation being impossible when shooting at those ISOs). The benefit of today's superlative post processing software (I used Topaz Denoise Ai for those images, normally ON1's built in NR is more than sufficient).

As for the weight comparison I'll refer you back to the OP. The kit I built, as an example, and that is demonstrably impossible for Sony to match in size or weight, was a kit for Chiron (street, travel, land/cityscapes and portraits - which just happen to be exactly those genres I shoot) and the size/weight comparison post was a follow up to that discussion.

When I shot Nikon DSLRs my travel kit weighed 14 kgs, and that was the reason why I was an early adopter of Sony's ML. My Sony kit reduced that to 8-9 kgs (smaller everything from filters to tripods to bags). As I aged I wanted to lose more weight (both me and my kit!) and hence a toe in the M43 water became full immersion - it delivers and for me is ridiculously enjoyable to use with by far the best, demonstrably and factually, IBIS and WR of any mainstream manufacturer (except for Lumix that is close if not equal). My full travel kit now being 5-6 kgs (2x cameras, 7-8 lenses, tripod, ballhead, filters and backpack or sling).

If we want to go down the route of building an infinite number of kits based on spurious parameters then I'm sure Sony could come close in some instances, but most definitely not the majority which is more relevant to Chiron and anyone looking for a kit that still delivers but at a considerable weight saving.



Aug 07, 2025 at 06:33 AM
Tom Reynolds
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p.5 #3 · Sony Full-Frame vs. Olympus OM1 II?


I shoot the OM-1 v2 and the 100-400 lens.

The rig weighs 3.9# on my digital scape withe the lens foot removed but the hood, cards and battery in place, It dangles quite nicely on my Black Rapids strap as I hike.

The camera will take shots at 25 f/s with this lens so the 200 frame buffer is essentially unlimited. I always shoot in Pre-Capture so I rarely miss a pose of a moving subject.

Additionally the rig doubles as a decent macro rig. It focuses at about 4 feet.

At that weight there is nothing quite like it.

If I am sitting in a blind I would prefer the A1ii/300mm f.2.8/2,0TC. But then I would load my 150-400 in that scenario and shoot @ 50 f/s. The buffer would not be essentially unlimited but good enough.

With the 150-400 the rig is heavier but really not heavy. Nevertheless, when hiking I pass on this awesome lens because the weight reduction means that I can hike further and longer.

My conclusion is that someone with an A1ii would do well to also invest in an OM-1ii/100-400 if they like to hike and weight is a serious consideration. I would not spring for the 150-400 if I had that Sony rig.

The flip argument is also interesting and one I faced. If you have the OM-1ii/100-400 is it better to invest in a Sony A1ii.300f4/2.0TC or spring for the 150-400?

I did not but only because I had no other Sony gear so the cost was considerably higher, BUT if cost was not a consideration I would have done so,

Regards,

Tom



Aug 12, 2025 at 03:05 PM
Tom Reynolds
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p.5 #4 · Sony Full-Frame vs. Olympus OM1 II?


I think as Sony and Canon users learn more about pre-capture they will find what OM users have found: Always shoot with pre-capture at the maximum frame rate available. You never know what you will miss if you do not. Nikon, as usual, is not even in the game.




Aug 13, 2025 at 01:46 AM
 


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A74me
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p.5 #5 · Sony Full-Frame vs. Olympus OM1 II?


Tom Reynolds wrote:
I think as Sony and Canon users learn more about pre-capture they will find what OM users have found: Always shoot with pre-capture at the maximum frame rate available. You never know what you will miss if you do not. Nikon, as usual, is not even in the game.



pre capture has been around on olympus cameras for 8 years em1mk2 , i didnt use it then and dont need it now.



Aug 13, 2025 at 02:04 AM
tschopp
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p.5 #6 · Sony Full-Frame vs. Olympus OM1 II?


I wonder about a unified system. If Sony was willing to create an adapter that triggered the Sony to speak native m43. Then you could mount m43 lenses on Sony with full performance. It would allow you to use smaller lenses if you wanted. You basically have this option now with aps-c. On a high resolution sensor you would still get 15MP. Canon uses a similar technique to mount RF and EF lenses. Not sure I see the business case for it. Or in most cases the draw to the m43 lenses if you have a FF body.


Aug 13, 2025 at 08:00 AM
blnmen57
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p.5 #7 · Sony Full-Frame vs. Olympus OM1 II?


I use both systems with success.
The OM-System OM-1 especially for macro work and telephoto work as well as for travel photography.
For everything else I use my Sony A7RV plus fine Sony GM lenses and first-class Voigtländer manual lenses.



Aug 14, 2025 at 11:18 AM
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