In the case of RDR2 it seems like that’s almost certainly a reference to the old-timey film cameras contemporary to the setting. They frequently featured a prominent vignette effect.
Whether a video game camera should ape the limitations of an optical camera in order to produce a “cinematic” effect is an open debate, but, in this particular example, I can see and support the artistic intention behind incorporating the effect.
Whether the intention or effect was crucial enough to make the vignette mandatory is another debate entirely.
In the case of RDR2 it seems like that’s almost certainly a reference to the old-timey film cameras contemporary to the setting. They frequently featured a prominent vignette effect.
Whether a video game camera should ape the limitations of an optical camera in order to produce a “cinematic” effect is an open debate, but, in this particular example, I can see and support the artistic intention behind incorporating the effect.
Whether the intention or effect was crucial enough to make the vignette mandatory is another debate entirely.