We’re rewarding the question askers & reputations are being recalculated! Read more.
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Favorites infavorites:mine
infavorites:1234
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with Search options user 286

Planning, installing and using either indoor or outdoor artificial lights.

14
votes
, than an R or BR type lens. PAR type lamps, thanks to the design of the lens in front of the actual light emitting element (which is usually a given with home lighting...PAR in general can referr to a … very wide variety of lighting which may or may not have a front lens, including high powered stage lighting). The lens is often fresnel in nature, are often additionally capable of focusing the more …
answered Dec 7 '12 by jrista
11
votes
7answers
by Lighting Science) R30 CFL's that offer around 800 lumens. The initial difference was HUGE. The 14 year old bulbs were extremely dim and VERY orange in color. The CFLs, when fully warmed up, are …
asked Dec 3 '12 by jrista