ShowTool LD

Simple. Powerful. Comprehensive suite of Lighting Design and Electrics utilities for theatre and film.

"ShowTool LD packs 4 applications into one [...] Buying the four individual apps through iTunes can cost up to $7.97" - 


Quickly calculate beam angles, throw distances and beam diameter. 2 easy to use modes providing a choice of speed or super accuracy. 

Powerful functionality for calculating the number of cuts and wastage from all major gel manufacturers and a wide range of frame sizes. Specify your own frame size or choose from a wide range of standard lanterns. 

Quickly input DMX values and see the dip switches change live in front of you! Works with both major dip switch configurations. 

Fully integrated with the DMX Calc, see below. 

Set the local address and universe to see the global DMX address, or set the global address to see the local address and universe simply and swiftly. 

Specify channels per fixture and this will update a list of 12 fixtures with the various addresses. Need to set the dips for a fixture? Simply click the button for each fixture and the Dips Calc will load showing you just how to set the switches. 

Quick and easy power calculations in both single and 3 phase configurations. Specify current and voltage and quickly see how many of your selected fixture can be powered by the circuit.

All features provide full metric and imperial options as well as providing international number formatting support.


1. Check out the frequently asked questions below.

  • In the Beam Calculator, what are the two angles used for?
    This feature allows calculations for Par lamps. The first angle (left) is the angle running up and down the beam, whilst the second (right) is the angle across the beam. Changing the first angle will automatically adjust the second, so always set that one first.
  • Beam Calculator - What is the difference between simple and accurate modes?
    The accurate mode takes into account the height and distance of the unit from the platform so you get the real coverage across the stage. Simple mode assumes the lantern is at 90˚ to the surface it is lighting.


2. If your question has not been answered or you have other feedback, please send a message.

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