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

[t byrne]

Here's the real joke--Ronnie's son is now running the company and his 
name is Robert.  Altman Lighting began making stage lighting equipment 
(in Yonkers NY) before Robert Altman made his first film.

Terry

XiaoSu Han wrote:

>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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>>
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