What's New

timer works in background

App Description

LongTime Pro is a tool for photographer who uses neutral density filter (nd) for capturing long time exposures. Determine the exposure time without attached filter. Calculate the exosure time for your ND-filter with LongTime.

iPhone Screenshots

(click to enlarge)

Longtime Pro screenshot 1

App Changes

  • March 22, 2013 Initial release
  • April 01, 2013 Price decrease: $2.99 -> $0.99
  • April 16, 2015 New version 1.1

Other Apps From Thomas Penn

LongTime Exposure Calculator