Dioptra™ Lite - a camera tool

1.24K reviews
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About this app

Dioptra™ Lite - a camera position and angle measurement tool for navigation, surveying, positioning, and measurement - - with over 35,000 users!

Stay tuned for an enhanced Dioptra app with more features, better sharing integration, and supporting more phones and devices!

Instructions: Press the on-screen camera button to save an image. View saved images in your device's gallery app.

Dioptra™ Lite provides the following information like a theodolite optical instrument -
• yaw indicator (compass)
• pitch indicator (tilt degrees)
• roll indicator (tilt degrees)
along with -
• GPS position
• azimuth and bearing to photo subject

The ancient greek "dioptra" was a classical astronomical and surveying instrument, dating from the 3rd century BCE. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand. If fitted with protractors, it could be used to measure angles.
Updated on
Dec 29, 2017

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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1.24K reviews
A Google user
November 27, 2018
This works very well, except one thing could be fixed, please. The readings need an adjustable damping factor to slow down the display so that it is somewhat readable. This is important. As it is, it becomes exhausting to try to take imperical data. Even with taking pictures, it is tedious.
25 people found this review helpful
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A Google user
August 6, 2019
Pretty good app to use. Unfortunately, the compass uses the phones internal compass which can be messed around with if you are near large magnetic objects. Will not always point true north for this reason. Also, having difficulty following the file naming convention. Would be nice if I could adjust a setting for how I want the file saved (Date, Lat+Long, series number).
19 people found this review helpful
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Jas Lee
July 5, 2021
Looks good, seans to work as expected as first time using these types of apps. Just a couple of things. 1. How do I take it off full screen mode as this distortes the image, there is no option for this. 2. Where are the pictures saved to, they are not in my gallery or picture/image folder. My phone is an Oppo A72. If I can get this working properly I will give 5 stars.
20 people found this review helpful
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What's new

-Added drop shadow to onscreen text for better visibility in light scenes
-Added support for volume keys to take photos
-Added option to use the phone's alternate (front) camera
-Stability improvements