Canon 15mm f2.8: Coma

of flaring but contrast remains High zoom in and contrast is slightly more affected and while we're working in the dark let's look at coma level even at 15 mm and f2.8 bright points of light in the corners don't really show any com smearing which makes the lens a great option for Astro photography…

test out coma levels on wideangle lenses as you can see here unfortunately I got my nighttime shot very slightly out of focus the bright point of light you can see are looking a bit stretched unsurprisingly at this wide angle but there isn't much in the way of perpendicular coma so it's quite a…

And a maximum aperture as bright as f2.8 could be useful for astrophotography.