Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Cheap, but does OK for close-ups using a DSLR camera

I use the lens cap and cap keeper all the time. This alone is worth the purchase price. The closeup lens kit produces OK photos, but the photos must be cropped as there is distortion at the edges. That's OK using a 12 megapixel DSLR camera, because there is plenty of detail still left when the distorted part of the photo is removed using Photoshop or an equivalent program.