Ball Prism – 1.5″ (38.1mm) Diameter

The 3490-25 ball prism is a stainless steel ball prism of 1.5” (38.1 mm) with a 25.4mm glass triple prism. The Prism constant is K = -16.9 (Swiss-style K= +17.5) mm. This diameter of 1.5“ (38.1 mm), is based on reflector balls from laser tracking applications. The ball prism monitoring system thus enables highly accurate tachymetric precision measurements (bases are sold separately.)

– Shockproof and waterproof
– Visible prism center

SKU: 3490-25 Category:

Description

Shipping: 1-2 weeks*. Check our Frequently Asked Questions page for more information.

Return: 14 days money back  from the date of purchase. Buyer pays return shipping. 15% restocking fee may apply. For details to request a Return Goods Authorization (RGA), please visit the Terms and Conditions page.

Warranty: Omni Survey offers a limited warranty against manufacturers defects of up to 2 years depending on the product. Please visit our Terms and Conditions section.

*Shipping times are an estimate and cannot be guaranteed. More accurate expected shipping times and delivery details are provided when an order is placed.

Additional information

Accuracy

2sec
Range

500m up to over 1000m (device and weather dependent)
Coating

Silver coating
Material

Galvanized steel and stainless steel
Weight

160g
Diameter

1.5“, ± 0,05 mm

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