Calculator clusters

Each cluster groups related tools so they can link to each other. Open a topic, then jump between depth of field, NPF, ND filters and the rest.

• Optics & depth of field

  DoF, hyperfocal distance, circle of confusion, macro DoF and diffraction limits.

  5 calculators

• Exposure & light

  EV, ND filters, exposure shift, flash guide numbers and the Sunny 16 rule.

  5 calculators

• Sensor & focal length

  Crop factor, equivalent aperture, angle of view, field of view and print size from megapixels.

  5 calculators

• Astrophotography

  500 rule, NPF, lunar eclipse and Milky Way starting exposures, and star-trail stacking time.

  5 calculators

• Timelapse & video

  Timelapse intervals, file size, shutter angle, slow motion and drone mapping overlap.

  5 calculators

• Studio, storage & utilities

  Card capacity, handheld shutter speed, inverse-square falloff, aspect crops and pinhole diameter.

  5 calculators