Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
It's important to protect your lens from scratches and dust and such. It does that obviously well.

But when held up against light, it leaves a horrible apparition. Ruined some of my photos with this streak of cyan. But for a cheap filter, this is your buy. For an actual filter, i would spring more money.

Options:
A: very positive
B: positive
C: neutral
D: negative
E: very negative
Answer: C: neutral