I bought this for use in real estate photography where perfect horizontal position is crucial to align the frame with walls, windows etc. This can do it, but it takes time. The construction looks solid. The spirit levels seem pretty useless, but I still use the in-camera spirit level. You can get close to the ideal level, but it may take a few minutes. I got frustrated trying to level the camera before I got the perfect height. Bottom line: buy a $200 gear head so you can get perfectly aligned in seconds instead of minutes.
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