General questions about halos on the VIGI Camera’s screen

VIGI C400HP , VIGI C340HPWSM , VIGI C540HPWSM , InSight S345-4G , VIGI C540V , VIGI C540S , VIGI C250 , VIGI C450 , VIGI C330 , VIGI C330I , VIGI C455 , VIGI C440HWSM-W4 , VIGI C230I Mini , VIGI C580-W , VIGI C340 , VIGI C540-4G , VIGI C340-W , VIGI C540 , VIGI C385 , VIGI C420 , VIGI C430I , VIGI C220I , VIGI C345 , VIGI C240I , VIGI C440-W , VIGI C540HWSM-W4 , VIGI C340S , VIGI NK4P-T4425-2T , VIGI C540-W , VIGI C230 , VIGI C350 , VIGI C300P , VIGI C430 , VIGI C355 , VIGI C320I , VIGI C340I , VIGI C580-4G , VIGI C420I , VIGI C340HWSM-W4 , EasyCam C320 , VIGI C300HP , VIGI C340 (VIGI C340HPWSM) , VIGI C240 , VIGI C485 , VIGI C400P , VIGI C440 , VIGI C440I , VIGI C445 , VIGI C230I
Recent updates may have expanded access to feature(s) discussed in this FAQ. Visit your product's support page, select the correct hardware version for your device, and check either the Datasheet or the firmware section for the latest improvements added to your product. Please note that product availability varies by region, and certain models may not be available in your region.
Have you ever noticed large, irregular halos on your device's screen, especially after rain or in damp weather? These can significantly disrupt your viewing experience. This article will explain why this happens and how to fix it. By understanding these common screen distortions, you can take the necessary steps to maintain the quality of your device's.
Q1: What causes the appearance of large, irregular halos on my screen as below picture?
A: This issue is typically caused by dirt or contamination on the lens or casing of your device. Common culprits include fingerprints or condensation, which can lead to irregular reflections. These reflections then manifest as large, irregular halos on your screen.
Q2: How can I resolve this issue?
A: To rectify this, it's important to regularly check the condition of your device's lens and casing. Wiping the lens with a dry cloth can help keep it clean, reducing the likelihood of these halos appearing.
In the course of normal device usage, you might also notice glare or ghosting effects on your screen as below. The following section will explain these phenomena.
Q3: What are glare and ghosting effects?
A: Glare is a phenomenon that occurs around a light source, taking a shape similar to the light source, complete with a halo and radiating light beams. Ghosting, on the other hand, forms a light cluster at a different location that resembles the light source.
Q4: Why do these phenomena occur?
A: Both glare and ghosting occur when the point light source is too strong, causing light reflected from the lens surface to repeatedly reflect within the camera. These reflected lights cover the screen, reducing contrast and causing local obstruction, ultimately presenting as halos on the screen.
Q5: How can I resolve this issue?
A: To avoid these issues, consider the following methods:
1. Keep the lens clean. Dust or oily fingerprints on the lens can intensify ghosting and glare.
2. Use a lens hood.
3. Change the light source or shooting location.
4. Try to avoid shooting directly into the sun.
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