This is not a too expensive tool for my Junior Ranger surveying project my property. The 22x scope works well, although the reticle is difficult to see. I found that slightly defocusing the image helped. With the vernier in azimuth, you can theoretically measure up to 10 foot arcs. Half a degree is enough for my hobby work. It also measures height, but without the vernier. This is not a problem for me because I use a laser level to get the height difference between the recording points. The worst is the azimuth dial : a). There is no blocking here, so you have to be careful not to hit the dial when reading the angle between two points; b). The axis for the dial isn't fixed, so you can move it sideways a bit (enough to tilt it a degree or so). Suitable for standard survey tripod screw mount (not 1/4-20 photo tripod). Revain has an inexpensive Bosch tripod that works well.
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