One tool, one decision

How the library is organized

Engines group around the actual decisions a photographer or imaging practitioner makes: exposure and dynamic range, focus and depth of field, lens and system geometry, sensor and print resolution, lighting and flash, local image inspection, printing and output, astrophotography and night capture, motion and panorama planning, storage and workflow, and professional shoot planning. A engine's category reflects the decision it resolves, not a keyword it targets, and a raw candidate only becomes a route once it passes a distinct-logic and decision-value review rather than duplicating an existing tool with different numbers.

Browse by category

• Exposure

  Shutter, aperture, ISO, and equivalent-exposure tradeoffs.

• Focus & Depth

  Focus placement, depth-of-field limits, and hyperfocal planning.

• Lenses & Framing

  Framing, angle of view, perspective, and cross-system matching.

• Sensors & Resolution

  Pixel pitch, sampling, diffraction, and crop consequences.

• Lighting & Flash

  Flash power, falloff, and lighting-setup planning.

• Image Analysis

  Browser-local inspection of your own image: metadata, histogram, and print fit.

• Printing & Output

  Print resolution, sizing, crop, and delivery planning.

• Astrophotography

  Night-sky and long-exposure capture sequence planning.

• Motion & Video

  Frame rate, shutter angle, and motion-capture planning.

• Storage & Workflow

  Capture, backup, and archive capacity planning.

• Professional Planning

  Estimates, scope, and shoot-operations planning.

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• Advanced Depth-of-Field Planner

  Solve near and far depth-of-field limits, or the aperture that covers a stated interval.

• Camera System Equivalence Engine

  Match a lens, framing distance, and depth-of-field convention across two camera systems.

• Diffraction and Sampling Tradeoff Planner

  Compare ideal Airy-disk geometry with your pixel pitch and output context.

• Exposure Triangle Planner

  Choose equivalent shutter, aperture, and ISO settings and see the tradeoff each one moves.

• Field of View and Framing Planner

  Calculate frame coverage and angle of view from your actual sensor, lens, and distance.

• Flash Guide-Number Planner

  Calculate a direct-flash starting aperture or distance from a stated guide number.

• Local Histogram and Clipping Inspector

  Measure the rendered RGB histogram and near-edge pixels of your own local image.

• Local Image Metadata and Exposure Inspector

  Inspect the EXIF and capture settings embedded in your own image file, entirely in this browser.

• Local Print-Suitability Planner

  Compare print sizes, crop, and PPI using your own local image’s actual pixel dimensions.

• Photography Quote and Usage Planner

  Build a transparent internal photography estimate from your own costs, time, and contingency.

• Pixel Pitch and Sampling Planner

  Calculate pixel pitch, crop headroom, and output PPI from actual sensor and pixel dimensions.

• Print Resolution and Size Planner

  Calculate print PPI, crop mismatch, and maximum arithmetic print size from pixel dimensions.

• Star-Trail Exposure Planner

  Plan a stacked star-trail sequence with frame count, capture time, and gap consequences.

• Storage and Backup Planner

  Plan capture, working, backup, and archive capacity with transparent headroom assumptions.

• Video Exposure Triangle Planner

  Calculate shutter duration from frame rate and shutter angle, then plan the exposure tradeoff.

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