Introduction
The document provides an overview of the CYGNUS KS-102 Reflectorless Total Station, an entry-level surveying instrument designed for ease of use and long-range measurement without the need for a reflector. It is developed by TOPCON, Japan, and marketed under the 2LS brand.

Specifications

• Optical Features: The telescope offers 30x magnification with an erect image and a field of view of 1°30'. It has a resolving power of 3.0" and a minimum focus distance of 1.3m.
• Angle and Distance Measurement: The angle measurement accuracy is 2" with a display resolution of 1"/5". The distance measurement range is up to 2,000m with a single prism and 200m reflectorless, with accuracy of (3+2 ppm x D)mm for prism and (2+2 ppm x D)mm for reflectorless.
• Data Management: The device features a graphic LCD display, a 24 alpha-numeric key keyboard, and a control panel on two sides. It has an internal memory capacity of 24,000 points and supports a serial RS-232C interface.
• General Specifications: The total station is protected against dust and water with an IP54 rating and operates in temperatures ranging from -20 to 50ºC. It measures 336(H) x 184(W) x 172(L) mm and weighs 4.9kg with the battery and tribrach.
• Power Supply: The device uses a BT-77Q battery, providing approximately 23 hours of operation at 20ºC.

Design and Quality
The KS-102 is designed and manufactured by TOPCON, ensuring high quality and reliability. It is part of the CYGNUS series, which aims to bridge the gap between consumer-grade laser tools and professional surveying instruments.

Marketing and Concept
2LS introduces a new market concept by integrating products, sales, and marketing materials into a cohesive platform. This approach minimizes the time required to understand the product's capabilities and applications through modern marketing methods.

Additional Information
Specifications and designs are subject to change without notice. The document also notes that product colors may vary slightly due to printing limitations.