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
Standard Configuration:
Optional Accessories
Yellow ATS-4 Aluminum Tripod  
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Aluminum Telescopic Staff AGR5
Company Profile
About Us
Geodex was established in 2012 by a small group of engineers with over 10 years of experience in the surveying industry. We offer advanced high-precision geographic surveying and mapping equipment such as satellite navigation systems, total stations, theodolites, automatic levels, and laser levels.
These products are widely used for high-precision measurement, surveying, and mapping tasks, including land and housing management, construction, roads, railways, urban infrastructure, topographic surveys, cadastral work, monitoring, and mining, as well as hydro and marine surveys.
Geodex's headquarters and factories are based in China, with offices located in Guangzhou and manufacturing facilities in both Guangzhou and Beijing.
Our main customers include geographic surveying departments and construction companies, and our products are also sold to colleges and universities for educational purposes.
Geodex sells its products to many countries around the world. The company has a strong market reputation due to not only offering high-quality products but also providing excellent customer and technical support.
Mission Statement
Our mission is to make a difference by delivering surveying equipment worldwide. We aim to help our clients become more competitive and achieve greater business success.
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Packaging & Shipping
Geodex provides excellent overseas transportation solutions. Goods can be delivered via express courier services like DHL, FedEx, UPS, TNT, or general air cargo from airport to airport. Shipments can also be arranged via ocean freight, truck transport, or special line service forwarders as requested by buyers.
About Technical Support
1) We provide not only cost-effective surveying instruments.
2) But also professional surveying solutions and strong technical support, including maintenance and parts services.
3) All products are quality-checked and recalibrated before shipment.
4) Fast delivery with stock available in Guangzhou.
5) Professional export and import services.
6) One-year warranty on all surveying equipment.
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Contact
Guangzhou Geoland Instrument Co., Ltd. Â
Add: 410, No. 7 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: http://www.geoland.cn
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