棒
简单、实用
Free
About
This tool helps landscape photographers calculate precise camera settings for long exposure shots. It recommends ND filter combinations, aperture, and ISO based on your current settings and desired effect. Features include tutorials and camera-specific adjustments.
✓Precise exposure calculations for ND filters
✓Reverse calculation mode
✓Smart adaptive technology for light changes
✓Built-in countdown timer with audio alerts
✓Camera-specific settings
✓Long exposure technique tutorials
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What's New in James Owl Calc
2.4.1
April 20, 2026
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FAQ
What is James Owl Calc used for?
James Owl Calc is a long exposure calculator designed for landscape photographers. It helps users determine precise camera settings, including ND filter combinations, aperture, and ISO, to achieve desired long exposure effects.
Is James Owl Calc free to use?
Yes, James Owl Calc is available for free. There are no in-app purchases or advertisements, making it a completely free tool for photographers.
What types of ND filters does James Owl Calc support?
The app supports a wide range of ND filter strengths, from ND8 up to ND64000, catering to various lighting conditions and creative needs for long exposure photography.
Can James Owl Calc help with different lighting conditions?
Yes, James Owl Calc features smart adaptive technology that accounts for changing light conditions. This ensures accurate calculations even when the light is not static.
Does James Owl Calc offer guidance on long exposure techniques?
Absolutely. The app includes detailed tutorials covering various long exposure techniques, helping users understand and implement them effectively to create stunning images.
What devices is James Owl Calc compatible with?
James Owl Calc is designed for iOS devices, supporting iPhone, iPad, and iPod. It offers a clean, intuitive interface suitable for field use.
How often is James Owl Calc updated?
The latest version, 2.4.1, was released on April 20, 2026. While specific update frequency isn't detailed, the app is actively maintained.
What is the age rating for James Owl Calc?
James Owl Calc has an age rating of 4+, making it suitable for users of all ages interested in photography.
