Projector screen sizes.

Associate
Joined
26 Mar 2004
Posts
1,199
Is there a weird system for measuring the diagonal?

Reason i ask was i wanted to buy one of those pull up projector screens that are portable, and wanted the optoma with viewing dimensions 2030cm x 1145cm. which is 92". as advertised.

But thats out of stock most places so i found the Sapphire SFL200WSFP listed as a 16:9 100" diagonal for only a bit more. Seemed a good enough deal. but everywhere i look lists its viewing size as 197cm x 111cm which is 89".

am I missing something?
 
Soldato
Joined
26 Dec 2003
Posts
6,471
Location
Cambs UK
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Soldato
Joined
29 Jul 2004
Posts
9,671
Location
Somerset
Probably just a misprint or cross posting of specs from different models. Use the actual model number and refer to the manufacturers support pages to find out for sure I reckon.
 
Associate
Joined
5 Oct 2003
Posts
657
Location
London
Projector screens are normally / should be measured along the bottom edge and not diagonally. However, there has been a shift recently where they are now starting to measure diagonally, very annoying if you don't read the specs in depth and end up with a much smaller screen then you were expecting.
 
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