They have full array 2x2 microlens PDAF and metal shielded sparse PDAF? It's not clear to me why, unless it's because they get higher phase disparity with the shielded pixels, so use them in high illumination conditions, while rely of the high coverage 2x2 PDAF in low light.
in one of the slides visible above they say "Microlens Pitch 2.44um". But also "Full Array quad pixel PDAF (dual masked PDAF)". So it seems indeed the microlens are on 2x2 pixels each, but for PDAF they use the shielded pixel groups and not the 2x2 regular pixels, right?
In the link of original blog article, there is no optical photo of CFA array which clearly showed the CFA pattern. Was the original article revised after this blog being published?
They have full array 2x2 microlens PDAF and metal shielded sparse PDAF? It's not clear to me why, unless it's because they get higher phase disparity with the shielded pixels, so use them in high illumination conditions, while rely of the high coverage 2x2 PDAF in low light.
ReplyDeleteIt seems to be 1x1 microlens on 1.22um pixel and 2x2 is just color filter.
ReplyDeletein one of the slides visible above they say "Microlens Pitch 2.44um". But also "Full Array quad pixel PDAF (dual masked PDAF)". So it seems indeed the microlens are on 2x2 pixels each, but for PDAF they use the shielded pixel groups and not the 2x2 regular pixels, right?
DeleteRGBB ? Makes no sense in terms of color, but makes sense in terms of diffraction reduction and increased micro contrast.
ReplyDeleteIn the link of original blog article, there is no optical photo of CFA array which clearly showed the CFA pattern. Was the original article revised after this blog being published?
Delete