色溫非常具有參考性
個人認為以手機測試數據能夠誤差不大,對平日臨時需要測試或沒有色溫錶的人而言,這個app非常值得。
Yes, LightSpectrum Pro is completely free and it doesn't have any in-app purchases or subscriptions.
🤔 The LightSpectrum Pro app's quality is mixed. Some users are satisfied, while others report issues. Consider reading individual reviews for more context.
LightSpectrum Pro is free.
To get estimated revenue of LightSpectrum Pro app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
3.67 out of 5
3 ratings in Taiwan
個人認為以手機測試數據能夠誤差不大,對平日臨時需要測試或沒有色溫錶的人而言,這個app非常值得。
真的很不準
色溫精度不夠另外沒有CRI值
I can not use it!
I have some LEDs where I know the wavelengths, and under some combination lighting conditions the app is super inaccurate—but under lots of conditions (including combination ones) it’s very accurate. Useful tool, overall. I wish they would fix the inaccuracies but I’m still glad I have this app; there’s no other app that has a full spectrogram right now.
This app needs to have crosshairs or circle at a point on the screen, to only take measurements. General averages of the picture isn’t a great feature. Spot metering will make this app awesome!
This inexpensive app does a great job on my iPhone of measuring light color temperature which is exactly what I wanted!
I used to use a $2,000 light meter to measure color temperature when I worked in the film industry. This meter costs only a few bucks and is almost as good. The app description says it’s within 8% of the actual color temperature, which in most circumstances is sufficient. I tested the app in a variety of environments; I.e. outdoor sunny, outdoor cloudy, interior lights, balanced to daylight, cool white, etc. and it worked great. If you’re doing scientific measurements it might not be what you need but for film and video it’s pretty great.
I have a flashlight collection with emitters that are color temp calibrated to temperatures such as 2000K, 2700K, 3500K, 4000K, 4500K, 5000K, 5400K, 6000K (and more!). I found that this app got CCT correct within 100-200K when used properly. I took a white sheet of paper, shined the light on the paper, then read the paper’s reflection. Aiming the app at the flashlight directly gave skewed results by 1000-2000K upwards. It’s so accurate that I had a light I had mislabeled as 6000K, and it kept coming up as 4950K. I checked the LED bin (XP-L HI V3 3A) and it was actually 5000K! So the 4950K was dead accurate. I did notice that as you move away from the 4000-6000K range, the ratings are less accurate. For example, my 2700K lights red as almost 3000K, and 2000K lights read as 2700K. My 660nm pure red lamp reads as 2400K. So keep that in mind. But this is a great value for $2!
I was overcharged the amount of $18.38 when I purchased this app. I need a refund and you need to fix this issue.
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10
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Top Paid
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14
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17
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Top Paid
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18
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21
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