I'm thinking of switching over to a Sony SLT camera (translucent mirror technology)
I've been doing some research on how they work, & as I understand it so far the translucent mirror allows 70% of the light through to the sensor, & 30% of the light reflected up to the phase detection auto focus sensor.
My question is, does that mean the dedicated auto focus sensor is only receiving 30% of the light for its focusing, compared to a DSLR who's moving mirror would reflect 100% of the light to its auto focus system. If that's correct would it mean that the focusing accuracy of the SLT's would be compromised due to the reduction in light its focusing sensor receives? Or have I got some of that wrong?
Discuss Sony A-mount Alpha Digital SLRs and SLT models.
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