Prism Surveying Accessories

Professional 1-inch prism surveying set compatible with SOKKIA total stations. Features silver coating options, -30mm prism constant, and bulk packaging of 20 sets per shipment. Compact 45×42×46 cm packing dimensions and 16kg weight make this ideal for construction and land surveying projects requiring precise measurements.

Professional surveying prism accessories designed for high-precision monitoring and road applications. Features durable construction, weather-resistant design, and compatibility with standard surveying equipment. Ideal for construction site monitoring, road maintenance, and structural deformation measurement with accuracy ranges from ±2mm to 5mm.

Precision 30mm offset mini prism with 360-degree rotation for accurate survey measurements. Compatible with Leica and other major surveying equipment. Manufactured by ISO9001-certified Geo-Allen with 17+ years of industry expertise, global distribution, and custom design capabilities for professional surveying applications.

High-precision 2.5-inch single prism compatible with SOKKIA, TOPCON, and LEICA surveying instruments. Available with silver or copper coating options for optimal performance in various conditions. Manufactured by ISO9001-certified Geo-Allen with 17+ years of optical manufacturing expertise.

Professional 1 inch mini prism pole set featuring copper-coated prism with +17.5mm constant. Designed for Leica-type surveying equipment, this set offers precision measurement for construction and engineering applications. Packaged in convenient 20-set bundles measuring 45×42×46 cm with 16kg gross weight.

Professional surveying prism set compatible with Leica total stations. Features copper coating for durability, -34mm prism constant for accuracy, and high-visibility red target. Compact packaging: 49×43×37cm for 25 sets, total weight 14kg. Ideal for construction, engineering, and land surveying applications requiring precise measurements.

Professional 360° full circle prism system with -10mm offset for precise surveying measurements. Features Leica-compatible 5/8" thread mounting adapter. Ideal for construction, engineering, and land surveying applications requiring reliable optical performance.

Professional 2.5 inch/64mm total station prism set with -30mm constant, available in silver coating options. Includes yellow soft carrying bag (SB-3), compatible with SOKKIA-type instruments. ISO9001 certified manufacturer with 17+ years of surveying equipment expertise and global distribution network.

Professional 64mm reflecting prism system designed for road construction surveying applications. Features zero prism constant, 5"-6" beam deviation, silver coating options, and durable plastic case packaging. Compatible with Topcon style instruments and manufactured by ISO9001 certified Geo-Allen with global distribution.

Professional 64mm reflecting prism system compatible with SOKKIA total stations. Features silver coating options, 5"-6" beam deviation, and dual prism constants (-30mm/0mm). Includes protective plastic case with 49×44×39cm packing size. Ideal for precision land surveying applications requiring reliable distance measurement accuracy.

Compact 1.0-inch prism survey equipment featuring single-side bubble level and 4-pole set. Offers -30mm prism constant with silver coating options. Ideal for professional surveying applications with precision measurement capabilities and durable construction for field use.

Professional SOKKIA style single prism set featuring 64mm prism with -30mm constant and 5/8" adapter compatibility. Includes protective SB-4 soft bag and available with silver coating options. Ideal for precise surveying measurements with total station instruments, backed by ISO9001 certified manufacturing.

04T (M) Monotoring prism with rain hood,similar SECO Walleye prism system * 04T(M) accommodates a full size 2.5inch (64 mm ) prism for long range applications or when a larger prism is needed * Rain hood helps keep the prism clean to ensure continual measurements over a long measuring cycle About us Geo-Allen Co., Ltd. was founded in 2002, in Suzhou, Jiangsu Province, 80km away from Shanghai. Suzhou is a beautiful city, nicknamed “heaven on earth”, with more than 2500 years

Professional 2.5-inch red/black prism set with -30mm constant for precise surveying measurements. Features silver coating options, SOKKIA compatibility, and includes durable SB-3 soft carrying bag. ISO9001 certified manufacturer with global distribution network for reliable performance in construction and land surveying applications.

Professional 1.0 inch prism surveying accessory with middle bubble level and adjustable mini tribrach. Features silver coating options, -30mm prism constant, and ISO9001 certified manufacturing. Ideal for precise measurement applications with reliable performance and versatile mounting capabilities.

RP20/RP30/RP40/RP50/RP60 Multi Rflecting Papers Different sizer could be specially made as required. Different color could be as required. About us Geo-Allen Co., Ltd. was founded in 2002, in Suzhou, Jiangsu Province, 80km away from Shanghai. Suzhou is a beautiful city, nicknamed “heaven on earth”, with more than 2500 years of history. This May, Geo-Allen will celebrate its 17 years anniversary. In the past 17 years, Geo-Allen has grown to be a world famous company with an R

Professional L-type 1" monitoring prism with durable copper coating for construction surveying. Features -25mm prism constant and 5" beam deviation for high-precision measurements. Designed for structural monitoring, deformation analysis, and engineering applications requiring reliable distance measurement accuracy.

Professional SOKKIA GA-10M Reflecting Prism System featuring 64mm prism size and 5-6" beam deviation accuracy. Designed for road construction surveying with orange target visibility, silver coating options, and protective plastic case packaging. Ideal for precise distance measurement in civil engineering applications.

Professional 64mm triple prism system compatible with SOKKIA total stations. Features selectable prism constant (-30mm/0mm), precise 5"-6" beam deviation, and silver coating options. Includes protective plastic case for secure transport. Ideal for accurate surveying and measurement applications requiring reliable reflectivity and calibration flexibility.

Professional YR series mini prism pole sets available in 1.0", 1.5", and 2.0" sizes with -30mm prism constant. Each set includes 3 durable poles with compact bag packaging. Ideal for precision surveying applications requiring reliable measurement equipment with standard prism constants.