Have you ever lost your lens cap? A lens hood may help prevent sun flares on your images, prevent accentuating reflections within the lens caused by stray light and leads better image quality. Hence, Hoocap possessing both the functionalities of lens cap!
Hoocap’s Camera Lens cap and Lens hood 2 in 1 ($49) for Canon EF-S 17-55 mm F2.8 IS USM weighs 70g and could be your top choice. The cap to hood transformation can be done in a split second and of course vice versa. ❚