Every once in a while, it’s important to revisit the basics to understand how 3D scanners work. In this blog post, we’ll cover the Field of View (FOV) of a 3D scanner and how it affects the 3D scan results. The key takeaway is that different 3D scanners have different FOVs, and choosing the right model is crucial to getting the right output depending on the size of the object you want to 3D scan.
What is Field of View (FOV)?
Like how humans can see a certain range (you can't see behind you) at a given moment, different 3D scanners have a different viewable area at one time from a specific distance. The larger the FOV, the larger area the 3D scanner can 'see' thus capture at once. With the EinScan 3D scammer models, there is a variety of scanning range among different 3D scanner models that scan something as small as a coin to something as large as a car. Therefore, it is important to understand what you are scanning and what FOV is most suitable to capture the details of the object.
The FOV of a 3D scanner can determine which model is best suited to 3D scan your object depending on its size. Choosing the right field of view is about finding the right balance between capturing enough detail of the object you want to scan and appropriate coverage for each scan. This balance is important so you can achieve a smoother scanning experience, complete scans in a shorter amount of time as well as reduce computer crashes that happen when the software is overloaded.
What happens when you use a 3D scanner with a small FOV to scan large objects?
When you scan a large object with a 3D scanner optimized for scanning small objects, you will have to do more scans to reconstruct a complete 3D digital model than you would with a scanner with a large FOV. Look at the theoretical diagram on the left. If you have a large FOV, you only need 3 scans but with a small FOV you need 12 scans. In reality there are overlaps so this is just an illustration.
Now let's dig a little deeper and look at the difference in FOV of Einscan Pro HD vs. Einscan Pro 2X 2020.
Comparing Einscan Pro HD vs EinScan Pro 2X 2020
Watch this webinar on how to select a model if you want to learn further!
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