Fwd: Lighting stuff (Daniel Stern)

[area53 at validpath.com (Jeff Toomasson)]

That would be it  (I actually already knew the URL, but it was the taillight 
bulb array that was in this email that I was looking for.

Thanks Don!

JT

> Jeff,
> I think this is what you were referring to:
> http://www.danielsternlighting.com
> 
> ---------- Forwarded message ----------
> From: Dick Y Wong <sailingfc@dslextreme.com>
> Date: Dec 12, 2005 1:55 AM
> Subject: Lighting stuff (WAS (RE: Jeeze guys.))
> To: scirocco-l@scirocco.org
> 
> Okay here goes...
> 
> I've been surfing around for lighting stuff and came across Daniel Stern
> Lighting's website.  I emailed him about the clear headlight covers he has
> listed (which are the same ones that I've been using for over 20 years) and
> he responded with lots of other info.  I've cut & pasted his info below for
> your reading enjoyment.  There is also lot of good reading on his website,
> but some of you probably already knew that.
> 
> -Dick-
> 78 Scirocco
> Original Owner
> 95 Passat GLX
> Second Owner
> 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> On Sun, 11 Dec 2005, Dick Y Wong wrote:
> 
>> Thanks for replying so quickly and on a Sunday at that.
>>
>> This sounds exactly like the product I have now.  I purchased my current
>> set some 20+ years ago and have not been able to find any since.  They are
>> on my '78 VW Scirocco, covering Cibie 5.75" H4 and H1 lamps. I have
>> included a picture.
> 
> Yep! Those are the very same ones.
> 
>> I am an email-list member of an organization called Scirocco.org. There
>> may be some interest by the membership since many members have pre-82
>> Sciroccos with the quad headlights and many have aftermarket lamps.
> 
> See below for temptation.
> 
>> How much are a set of 4?
> 
> $21. Ordering instructions are below the temptation.
> 
> Can also make your brake and turn signal lamps 40% brighter for
> $6.10/bulb, your reversing lamps 100% brighter for $7.20/bulb, and your
> front and rear sidemarker lights 40% brighter for $3.98/bulb.
> 
> There is also a zero-dollar easy modification you can make to the front
> sidemarker light wiring so that the front sidemarker lights also act as
> side turn signal flashers, see
> http://www.danielsternlighting.com/tech/markerflash/markerflash.html
> 
> Now, the temptation: New Cibie CSR 5-3/4" round headlamps beat the snot out
> of the old H4s.
> 
> Spendy lamps, but give absolutely phenomenal performance.  I've put up the
> isocandela (beam performance) diagrams for sealed beam, conventional H4 and
> CSR lamps. Sorry, it's a wide page, you'll have to widen your browser
> window.
> 
> http://dastern.torque.net/Photometry/575.html
> 
> If you're not familiar with isocandela diagrams, these will look like
> random squiggles and lines. Think of it as a topographic or "contour" map
> of the correctly-aimed beam pattern. Each differently-colored line
> represents the threshold of a particular intensity level, with the color
> legend located to the right of the isocandela diagram. The diagram is
> plotted on a chart calibrated in degrees. Straight ahead is represented by
> (0,0), that is, zero degrees up-down and zero degrees left-right.
> 
> To get a mental approximation of the units and amounts under discussion
> here:
> 
> Parking lamp: About 60 to 100 candela
> Front turn signal: About 500 candela
> Glaring high-beam Daytime Running Lamps (e.g. Saturn): About 8000 cd.
> 
> The parameters to pay attention to are the luminous flux (total amount of
> light within the beam), the maximum intensity and its location within the
> beam relative to the axial point (H,V) -- the less downward/rightward
> offset, the longer the seeing distance -- stray light outside the beam
> pattern and effective beam width (contained within the dark-turquoise 500
> candela contour)
> 
> The top two diagrams are standard halogen sealed beams.  Many
> Replaceable-bulb lamps with 9004, 9005, 9006 and 9007 bulbs produce
> comparable beam patterns. These beams provide acceptable down-the-road
> illumination, sufficiently intense and well placed, but that's about all
> there is to recommend them. were fitted with) are very comparable.  We see
> the narrow "tunnel" shaped beam, almost no light on the road surface, very
> little lateral spread to pick up pedestrians and animals, and grossly
> excessive upward stray light that causes backdazzle in fog and rain. Yuck.
> 
> The next two diagrams are the Cibie H4 lamps. These give a wider and deeper
> beam pattern than the sealed beams, but upward stray is still a problem,
> the peak intensity is low and located far off to the right (short seeing
> distance). The Hella equivalents are similar but with slightly lower total
> flux, peak intensity and beam width, and the beam peak ("hot spot") is
> further over to the right.
> 
> The reason why the low beam performance is poor is that the lamp is so
> small. Remember, with H4 on low beam only 60% of the lens and reflector
> area is used. The other 40% is blocked by the filament's internal shield.
> That's OK if you've got a large lamp to start with, but if you've got a
> small one...well...
> 
> (Note that putting a more intense bulb in a lamp does not change the
> fundamental beam distribution. There's more light, but the hot spot stays
> where the lamp's optics put it. In other words, optically-determined
> geometric limits on seeing distance remain. Also, upward stray light
> increases markedly especially in lamps without bulb shields. For
> reference, replacing the 60/55w bulb with a 100/90w item in this Cibie H4
> lamp would raise the hot spot intensity from 11,265cd to 16,898cd.)
> 
> The last two diagrams are the Cibie CSRs. You can see from this diagram
> comparison:
> 
> The CSR lamp's beam contains several hundred more lumens
> than that of the H4 (and nearly triple that of the sealed beam)
> 
> CSR maximum intensity with a plain old 55w bulb is nearly three times
> higher than an H4 with a 60/55w bulb, 26% higher than an H4 with a 100/80w
> bulb, and 50% higher than sealed beam
> 
> CSR hot spot is well placed for long distance seeing, the beam is super
> wide and has nice, even road surface illumination, there's virtually no
> stray light to cause backdazzle in bad weather, and there's adequate but
> carefully-controlled uplight for seeing overhead road signs.
> 
> I trip over headlamps whenever I walk 3 feet from my desk; I can have any I
> want. The CSRs are my absolute favorite. I sent a set to a friend who
> designs headlamp optics for Bosch. They're his favorite, now, too.
> 
> But, the magic doesn't come cheaply. These lamps are $109/ea including
> standard 55w H1 bulb.
> 
> ORDERING INSTRUCTIONS
> 
> Please indicate:
> 
> The quantity of each item you wish
> The type of shipping you wish
> (UPS trackable ground shipping is standard; all UPS service levels are
> available)
> The address to which you want the items shipped (if different from billing
> address)
> Whether the UPS driver has permission to leave the parcel at your doorstep
> if you are not available to accept it in person.
> 
> You may voicemail or fax your order toll-free on 1-866-861-8668. Please
> note this is a recorded orderline only. If you wish to speak to me in
> person, please use 416-766-2327.
> 
> Orders may also be sent via e-mail to: dastern@torque.net
> 
> We accept Visa and Mastercard. Orders are processed securely.
> 
> Whatever method you use, the following information is required in order to
> process a credit card order:
> 
> Card type
> Card number
> Expiry date
> CVV code (last group of 3 or 4 digits on back of card)
> Your name as it appears on the card
> Billing address
> Phone number
> 
> Please don't forget to include a note (such as a printout of our e-mail)
> stating exactly which items you are ordering, and where you wish them sent.
> 
> I look forward to hearing from you.
> 
> Best Regards,
> 
> DS
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> 
> 
> 
> -----Original Message-----
> From: scirocco-l-bounces+sailingfc=dslextreme.com@scirocco.org
> [mailto:scirocco-l-bounces+sailingfc=dslextreme.com@scirocco.org]On Behalf
> Of Julie Macfarlane
> Sent: Sunday, December 11, 2005 7:27 PM
> To: scirocco-l@scirocco.org
> Subject: Jeeze guys.
> 
> 
> Man its quiet.
> 
> 
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l
> 
> 
> --
> Don Walter - Waukesha, WI
> 1986 8V Black Scirocco (Daily Driver)
> 1984 8V Audi 4000s (RIP 2/14/2006)
> 1986 2.0L 16V TEC 2 Black Scirocco (see progress at
> http://www.cardomain.com/memberpage/708939)
> 1986 2L 16V Toronado Red Scirocco (Ben's Car)
> 1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
> 1984 1.8 8V Pewter Scirocco (sold years ago)
> 1971 Karman Ghia (sold)
> 1969 Karman Ghia (sold)
> 1969 Beetle (sold)