Description
Double Prism Optical Square in Bangladesh
The Double Prism Optical Square in Bangladesh comprises two high-quality pentaprisms made of optical glass, securely housed in a durable aluminum casing. This essential surveying tool allows fast and accurate right-angle sighting (90° alignment) for construction, land measurement, total station setups, and field alignment tasks.
| Section | Details |
| Product Name | Double Prism Optical Square |
| Components | Two pentaprisms made of quality optical glass, housed in a sturdy aluminum casing |
| Hand Held (without Plumb) | – Fast estimation of alignment – Where exact position is not critical – Hold the viewing window to the line of sight – Obtain the required alignment |
| Hand Held with Plumb | By hanging a plumb bob into the slot on the shaft, |
| Set on a Ranging Pole | – Maintaining a standard height for the line of sight – Using a plumbing level to obtain a true vertical from the point of alignment |
| Accuracy | A right angle set with the Optical Square will be true to approximately ±1 cm at about 30 m |
| Care and Maintenance | – Simple tool that withstands minor knocks and bangs – Cannot go out of alignment – Clean the prisms with alcohol & cotton buds or photographic lens tissue to avoid smears |
ADVANCE SCIENCE & TECHNOLOGY ZONE
E-mail: astzbd@gmail.com, Website: WWW.ASTZBD.COM
Cell: +88 01329100999
+88 01329100998
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