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Modern lenses will always benefit from modern materials, design and manufacturing techniques. That said the benefits of M43 as a format are shrinking with the a

Modern lenses will always benefit from modern materials, design and manufacturing techniques. That said the benefits of M43 as a format are shrinking with the advent of small compact FF cameras. Your 25mm f/1.2 lens is equivalent (from a field-of-view and depth-of-field standpoint) to a full-frame 50mm f/2.4 lens or thereabouts.

jeffbee 4y ago
The size of the m43 kit was never the benefit, to me. The first thing I did was add a grip because the Olympus body was too small. Then I added another grip so I can hold it the other way. Now it's as big as any 35mm I owned.
- trap_goes_hot 4y ago
  Fair enough, but I'd wager most articles written about the benefits of the M43 format do bring up the size and weight savings compared to full frame systems. To me, the smaller sensor in M43 does have a few unique benefits over FF. * faster readout (less rolling-shutter) * less power-consumption and therefore less heat-generation (longer record-time limits, more power for computational photography) * less inertial mass for the sensor & assembly (better sensor-stabilization for hand-held video) * higher wafer yield in manufacturing (hopefully lower cost , if economies-of-scale allow for it)
_ph_ 4y ago
You can get very compact 35mm bodies now, but lenses tended to grow in recent years to cope with the growing pixel counts. So overall a mFT kit will be significant smaller than 35mm unless you talk about a Leica M :) The Olympus 25/1.2 is a stunning lens, but certainly large for a mFT lens. it is still slightly smaller than a Leica 50/2 L-mount lens.
- trap_goes_hot 4y ago
  Lens size and weight changes due to many aspects - number of extra corrective/aspherical/low dispersion elements, the _equivalent_ aperture, the number of focusing motors, whether the lens has optical image stabilization, whether it is weather sealed, whether it is made out of plastic or metal, etc, etc. Its not easy to just isolate for sensor size. But _in general_, you can make small full-frame lenses which will be equivalent to micro four thirds lenses. The problem is that they won't sell. Today, few people want f/2.8, f/4, f/5.6 primes for full-frame. Most people shooting full-frame want F/1.2, F/1.8 or F/1.4 primes.

jeffbee 4y ago

The size of the m43 kit was never the benefit, to me. The first thing I did was add a grip because the Olympus body was too small. Then I added another grip so I can hold it the other way. Now it's as big as any 35mm I owned.

trap_goes_hot 4y ago
Fair enough, but I'd wager most articles written about the benefits of the M43 format do bring up the size and weight savings compared to full frame systems. To me, the smaller sensor in M43 does have a few unique benefits over FF. * faster readout (less rolling-shutter) * less power-consumption and therefore less heat-generation (longer record-time limits, more power for computational photography) * less inertial mass for the sensor & assembly (better sensor-stabilization for hand-held video) * higher wafer yield in manufacturing (hopefully lower cost , if economies-of-scale allow for it)

_ph_ 4y ago

You can get very compact 35mm bodies now, but lenses tended to grow in recent years to cope with the growing pixel counts. So overall a mFT kit will be significant smaller than 35mm unless you talk about a Leica M :) The Olympus 25/1.2 is a stunning lens, but certainly large for a mFT lens. it is still slightly smaller than a Leica 50/2 L-mount lens.

trap_goes_hot 4y ago
Lens size and weight changes due to many aspects - number of extra corrective/aspherical/low dispersion elements, the _equivalent_ aperture, the number of focusing motors, whether the lens has optical image stabilization, whether it is weather sealed, whether it is made out of plastic or metal, etc, etc. Its not easy to just isolate for sensor size. But _in general_, you can make small full-frame lenses which will be equivalent to micro four thirds lenses. The problem is that they won't sell. Today, few people want f/2.8, f/4, f/5.6 primes for full-frame. Most people shooting full-frame want F/1.2, F/1.8 or F/1.4 primes.