sahe69
Well-known
Nope. Only if it's very rainy or I'll be subject to sprays (e.g. in a boat on windy weather), or if it's very dusty (e.g. on a windy sand beach).
i wonder if i should buy one. actually i am not going to sell my lens in the future anyway. so i am thinking
...
but still, anything put over the lens will degrade quality even if you can't notice it.
Sure it reduces sharpness or increases the chance of flare, but accumulating dust, droplets or front element damage due to micro scratches caused by more frequent cleaning in the end does more harm to the image.
Funny how few people use yellow filters which I leave on almost always when shooting B+W. Not only for protection, for image improvement.