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None of that has anything to do with being a DSLR though. Want to increase battery life? Build a bigger battery. Want to protect the sensor? Build a mechanism

None of that has anything to do with being a DSLR though. Want to increase battery life? Build a bigger battery. Want to protect the sensor? Build a mechanism to cover it when changing lenses. Is there actually a technical reason you can't make a mirrorless as good as a DSLR?

brudgers 10y ago
'Good' is subjective as in 'Good for what?' There are tradeoffs that a DSLR makes to provide a through the lens optical viewfinder and phase detection autofocus. Mechanical complexity of a moving mirror and the bulk of a pentaprism in addition to the mirror bulk are among them. For some applications and some people the tradeoff is worth it for others it isn't. If smaller size and lighter weight are more important then a mirrorless is more likely to be better.
- ghaff 10y ago
  Yep. I have both a FF DSLR and a APS-C mirrorless. I use both. I like both. Which I use for a given application depends on what my priorities are.
rangibaby 10y ago
Bigger battery = The main weight of a DSLR body is already the battery. They can't go the Apple route of filling every possible space in the case with battery either because it needs to be replacacle. If the reason for getting rid of the mirror is mechanical reliability I don't think it's a good idea to add something else that can break. There isn't a technical reason, but rather which trade offs do you want to make? You can make a mirrorless camera that has every feature of an DSLR, but there is no point to do that if you lose the advantages of a mirrorless system (small and light).
qq66 10y ago
The battery issue is not that simple. Mirrorless cameras need to keep the sensor active and the LCD or electronic viewfinder on during framing/composition, whereas the DSLR only needs to do this for the 1/60th of a second when the photo is being taken.
ekianjo 10y ago
bigger battery means more weight. becomes a tradeoff again.

brudgers 10y ago

'Good' is subjective as in 'Good for what?' There are tradeoffs that a DSLR makes to provide a through the lens optical viewfinder and phase detection autofocus. Mechanical complexity of a moving mirror and the bulk of a pentaprism in addition to the mirror bulk are among them. For some applications and some people the tradeoff is worth it for others it isn't. If smaller size and lighter weight are more important then a mirrorless is more likely to be better.

ghaff 10y ago
Yep. I have both a FF DSLR and a APS-C mirrorless. I use both. I like both. Which I use for a given application depends on what my priorities are.

rangibaby 10y ago

Bigger battery = The main weight of a DSLR body is already the battery. They can't go the Apple route of filling every possible space in the case with battery either because it needs to be replacacle. If the reason for getting rid of the mirror is mechanical reliability I don't think it's a good idea to add something else that can break. There isn't a technical reason, but rather which trade offs do you want to make? You can make a mirrorless camera that has every feature of an DSLR, but there is no point to do that if you lose the advantages of a mirrorless system (small and light).

qq66 10y ago

The battery issue is not that simple. Mirrorless cameras need to keep the sensor active and the LCD or electronic viewfinder on during framing/composition, whereas the DSLR only needs to do this for the 1/60th of a second when the photo is being taken.

ekianjo 10y ago

bigger battery means more weight. becomes a tradeoff again.