LumaCalc is an exposure calculator for photographers and videographers
LumaCalc is an exposure calculator for photographers and videographers. Change your aperture, ISO, ND filter, or EV compensation — LumaCalc instantly tells you the exact shutter speed needed to maintain a correct exposure. No more mental math on set. ◆ Perfect for - Photographers who attach ND filters and need to recalculate shutter speed every time - Long exposure shooters who want to know the exact duration before pressing the shutter - Anyone who adjusts aperture or ISO and needs a quick exposure correction on the fly - Studio, outdoor, and video shooters who need fast, reliable settings ◆ Features [Exposure Triangle Calculator] Enter your current camera settings (aperture · ISO · shutter speed), then set your new values. The correct shutter speed is calculated in real time — no confirm button needed, results update instantly as you scroll. [ND Filter Calculator] Supports 23 ND filter densities from ND0 (no filter) to ND512K (512,000× light reduction). Instantly see the required shutter speed for any filter you attach. [EV Compensation] Apply exposure compensation from -3.0 to +3.0 EV in 1/3-stop increments to fine-tune your results. [Long Exposure Display] Results beyond 30 seconds are automatically formatted so you always know exactly how long to hold the shutter open. - 1/8000s – 30s : Standard shutter value (e.g. 1/250) - 30s – 60s : Seconds (e.g. 45s) - 1 min – 1 hour : MM:SS format (e.g. 02:30) - Over 1 hour : HH:MM:SS format (e.g. 01:30:00) [Wide Setting Range] - Aperture: f/1.0 – f/32 (1/3-stop steps, 31 values) - ISO: 50 – 80,000 (1/3-stop steps, 33 values) - Shutter speed: 1/8000s – 30s (56 values) ◆ Designed for the Field - Dark theme: easy on the eyes in low-light shooting environments - Wheel picker: drum-roll style selector for fast, precise input - Haptic feedback: feel every click as you scroll through values - Out-of-range alerts: clear Too Fast / Too Slow warnings when results exceed camera limits Stop doing exposure math in your head. Set up your shot faster and more accurately with LumaCalc.
| # | Name | Price | Currency | Region |
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| 1 | Item | ¥ 0 | CNY | 中国 |
