subject covers it, but there are some great shots with really high detail.
Looks almost like a perfectly round crater filled with water. Awesome photos.
now that's a brown eye
Similar website for a range of animal eyes. Just amazing:
Bonus points for guessing each animal correctly before reading the caption.
^ You're probably better off popping that model into google and reading forum-based user reviews/comments.
Pretty much every brand-name lens has got plenty of forum threads around the place comparing it to similar cheaper or more expensive lenses in terms of sharpness, speed, auto-focusing ability/speed/noise, chromatic distortion, etc.