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What is dof calculator?
Instantly calculate depth of field for any camera and lens combination. Input your focal length, aperture, and subject distance to see near/far focus limits, total depth of field, and hyperfocal distance.
- Interactive chart visualizes the focus range.
- Hyperfocal distance calculator for landscapes.
- Comprehensive camera database with sensor presets.
- Instant results with smooth sliders.
- Privacy-first: no data stored or tracked.
Whether you're a beginner learning aperture effects or a pro planning a critical shoot, this free online DOF calculator gives you the insights to capture sharp landscapes or creamy bokeh with confidence.
How to use dof calculator
- 1
Select your camera model from the database or enter custom settings.
- 2
Input lens focal length, aperture (f-stop), and subject distance.
- 3
View instant depth of field results, including near/far limits.
- 4
Explore the interactive chart to visualize the focus zone.
- 5
Use the hyperfocal distance feature to plan landscape shots.
Key features
Instant depth of field calculations as you adjust settings
Interactive chart to visualize near and far focus limits
Hyperfocal distance calculator for maximum landscape sharpness
Comprehensive camera database with automatic sensor data
Privacy-first: no data storage or tracking
Use cases
- Plan sharp landscapes by finding the hyperfocal distance
- Achieve creamy portrait bokeh by controlling aperture and distance
- Teach photography students about the effects of aperture on depth of field
- Pre-visualize depth of field for architectural or product photography
Best for
Photography beginnersPhotography educatorsLandscape photographersPortrait photographersProfessional photographersPhoto enthusiasts
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Frequently asked questions about dof calculator
Common questions to help you decide if dof calculator is right for you.
Yes, it is completely free with no hidden fees or subscriptions. All features, including the visualizer and hyperfocal distance tool, are available without payment.
It uses standard optical formulas and allows custom Circle of Confusion settings for technical accuracy. Real-world results may vary slightly due to lens quality and lighting conditions.
No, it works instantly in your browser with no sign-up required. We do not store or track any of your input data.
Hyperfocal distance is the focus distance that maximizes depth of field from the foreground to infinity. The calculator computes it automatically for landscape and architectural photography.
Yes, you can select from a comprehensive camera database or enter custom sensor settings to get accurate depth of field calculations for any format.