Description
The Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod) is a survey prism made by Sokkia.
Its absolute prism constant is -30.0 mm, which is +4.4 mm on the Leica scale.
Specifications
| Model: | APS11P |
| Manufacturer: | Sokkia |
| MPN: | Unknown |
| Absolute constant: | -30.00 mm |
| Leica constant: | +4.40 mm |
| Constant source: | Dealer listing |
| Prism diameter: | 60 mm |
| Mount: | Single tilting mount on pole |
| Last verified: | 21/10/2026 |
Notes:
- The prism constant comes from a dealer listing and has not been confirmed in manufacturer documentation. Check the label on the prism before relying on it.
Sources
Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod) FAQ
Below is a list of frequently asked questions about Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod).
What is the prism constant for the Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod)?
The absolute prism constant for the Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod) is -30.0mm. The Leica constant is 4.4mm.
Can I use the Sokkia APS11P reflector system (AP01 on single tilting mount, AP61 2 m pole, AP71 pole tripod) with a Leica instrument?
Yes, just set the prism constant to 4.4mm.
