Technical Specifications:
| MODEL | B20 | B30 | B40 |
| Length | 215mm | ||
| Image | Erect | ||
| Objective Aperture | 42mm | 36mm | 32mm |
| Magnification | 32X | 28X | 24X |
| Field of View | 1°20' | 1°25' | |
| Resolving Power | 3.0" | 3.5" | 4.0" |
| Minimum Focus | 0.3m | ||
| Stadia Ratio | 1:100 | ||
| Additive Constant | 0 | ||
| Diameter | 103mm | ||
| Graduation | 1° or 1 gon | ||
| Working Range | ±15' | ||
| Accuracy | 0.3"/1' | 0.5"/1' | |
| Without Micrometer | 0.7mm | 1.5mm | 2.0mm |
| With Micrometer | 0.5mm | / | |
| Water Resistance | IP66 | ||
| Working Temperature |  -20ºC ~ 50ºC | ||
| Storage Temperature |  -40ºC ~ 70ºC | ||
| Weight | 21.5×13×14 (cm) | ||
| Size | 1.85KGs | 1.7KGs | |
 
Features:
★ Enhanced Automatic Magnetic-Damping Compensator, free from vibration
★ Ultra clear lens for long range observation
★ Infinity Adjustable Focus Screw
★ Excellent shock test performance
★ Top dustproof and waterproof capability Ip66
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Standard Configuration:
Optional Accessories
Yellow ATS-4 Aluminum Tripod  
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Aluminum Telescopic Staff AGR5
Company Profile
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About Us
      Geodex was established in 2012 by a small group engineers who have more than 10 years working experience in the surveying industry. It sells advanced high precision Geographic Surveying & Mapping equipment such as Satellites Navigation Surveying System, Total Station, theodolites, automatic levels and laser level and so on.
      These kinds of products are widely used for high precision measurement, surveying & mapping works, such as land & housing management, building, road, railway & city infrastructure construction, Topographic, Cadastral, monitoring and mining, hydro & marine surveying projects.
      Geodex's office & factories are based in China. Its head office is located in Guangzhou, and main factories are located in Guangzhou & Beijing.Â
      Geodex's main customers are geographic surveying information departments and construction companies, its products are also sold to Colleague & University for teaching uses.
      Geodex sells products to many different countries. It has a high market reputation because it not only provides high quality products, but also excellent customer & technical supports.
Mission Statement
      Make A Difference by Delivering Surveying Equipment to All Over the World, Our mission is to help our clients to be more competitive and achieve more business success.
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Packaging &Â Shipping
      Geodex has excellent performance in providing Oversea Transportation Solutions. Goods would be arranged to send by Express Courier door-to-door delivery service like DHL, Fedex, UPS, TNT and so on or General Air Cargo Service from airport to airport, shipment by ocean (boat), by truck via land transport or special line service forwarder agent appointed by buyers.
About Technical Supports
1) We provide not only high cost-efficiency surveying instruments.
2) but also professional surveying solutions and strong technical supports including maintenance &Â parts service.
3) Make sure Quality Verified &Â recalibrated before each shipment.
4) Fast Delivery, stocked in Guangzhou.
5) Professional Export &Â Import Service.
6) One-year warranty period of surveying equipments.
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Contact
Guangzhou Geoland Instrument Co., Ltd. Â
Add:Â Â 410, No. 7Â Minxing Street, Huangpu District, Guangzhou, 510530, Guangdong, China
TEL: +86 (0)20-8251 6799Â Â Â Â Â FAX: +86 (0)20-8251 6499
Website:Â http://www.geoland.cnÂ
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