A7/A7R Light leaks reported + White Orbs issue?

Started Feb 8, 2014 | Discussions thread
_sem_ Veteran Member • Posts: 5,023
Re: A7 No White Orbs issue?

ncsakany wrote:

_sem_ wrote:

It appears that certain lenses, particularly some of those with short flange distances, are likely to reflect the magnified pattern (maybe just a spectral part of it) back onto the sensor.

The RX1 sure doesn't seem to exhibit this aspect, and it also has a very short flange distance.

Did you try with a LED flashlight beam pointed into the lens over a dark room? With most cameras & lenses one can find at least traces of this phenomenon when trying hard enough. The intensity varies a lot though, with many cameras it is mostly not objectionable. Related real-life circumstances are sun-through-the-leaves, some sunsets, stage lights and such - generally not things one'd shoot every day. And I think problems are more likely at wider angles.

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