PCMag editors select and review products . We may earn affiliate commissions from buying links, which help support our testing. .(Image: Sony)Sony is expanding its a7 camera series with a brand new model type, the first we've seen since the launch of first a7S model, way back in 2014. Called the a7C, it's a slimmer, more affordable version of the best-selling , but one that comes with very few compromises.The a7C swaps out the centered viewfinder, SLR-style frame used by other a7 models in favor of the rangefinder-style design that Sony has used in its APS-C a6000 series for close to a...…PCMag editors select and review products . We may earn affiliate commissions from buying links, which help support our testing. .(Image: Sony)Sony is expanding its a7 camera series with a brand new model type, the first we've seen since the launch of first a7S model, way back in 2014. Called the a7C, it's a slimmer, more affordable version of the best-selling , but one that comes with very few compromises.The a7C swaps out the centered viewfinder, SLR-style frame used by other a7 models in favor of the rangefinder-style design that Sony has used in its APS-C a6000 series for close to a...WW…