This is, of course, quite a complex lens, so the multi-coatings used are of paramount importance. Although in most images there is no problem with flare, with strong backlight, especially with a ...

The Panasonic Leica ... lens with the most useful included accessory being the lens hood for shielding the lens from direct light that can cause flare. Should you buy the Panasonic Leica Summilux ...

Flare is well controlled in this lens, rather better than its sibling of two years ago. In general use, even with quite severe backlighting, there was little sign of any loss of contrast.

The Panasonic 15mm f/1.7 Leica Summilux DG ASPH is a great little lens for nature subjects — including astrophotography — thanks to a 30mm equivalent focal length and great image quality.