[Konvas] lighting pars vs. fresnels (off topic)

[XiaoSu Han]

that's funny since i always thought that it had to do something with
the director robert altman :)

haha, good to know...

2008/9/7 t byrne <vonat8 at verizon.net>:
> Not an odd question at all, but a good one.
>
> The answer is that there are tungsten PARs. The key phrase here is "of
> the same design".  The PAR was originally designed for stage use,
> specifically for concert lighting, where the weight of heavily loaded
> portable trusses was a huge factor.  The tungsten  incandescent PAR
> lamps were borrowed from the aircraft industry, and the problem was that
> the lens was molded into the lamp (bulb, to you non-lighting people)
> itself and therefore was not interchangeable. (I.e., to change beam
> parameters you had to re-lamp.)  And very wasteful, although I guess
> glass could be recycled.  I put this all in the past tense, but they're
> still available, though they've been supplanted in the pop music
> industry by moving lights, which save even more weight by doing multiple
> duty.  Ronnie Altman is still making them: http://www.altmanltg.com/
>
> Terry
>
>> Odd lighting question.  What is the advantages/disadvantages of HMI
>> pars vs. HMI fresnels and why isn't there a line of Tungsten pars like
>> HMI pars (with switchable lenses).  I'm assuming the major difference
>> is the bulb moving vs. the lens changing for focus.  I like using HMI
>> pars a lot they are very manageable and slick, kinda seems like
>> Tungsten pars of the same design would be useful considering that I'm
>> never that detailed with the focus knob on fresnels.  Also seems like
>> they would be less subject to breaking because they don't have any
>> moving parts.  Thoughts?
>>
>>
>>
>> Respectfully,
>>
>> Bradley
>>
>>
>
>
>
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-- 
XiaoSu "Xax" Han
http://www.stilfabrik.cn