Forums > Photography Talk > Anyone ever paint a strobe reflector black?

Photographer

Looknsee Photography

Posts: 26342

Portland, Oregon, US

I'm thinking about creating some harsh lighting setups with my strobes.  I have detachable reflectors -- indeed, you have to take off the reflector to use the soft boxes.

I'm thinking about taking one of the small reflectors, scuffing you the reflective surfaces, and spray painting them matte black.  I'm hoping to create really sharp edged shadows.

Anyone done this before?  Is it worth the bother (and the destruction of a reflector)?

Aug 21 14 12:27 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

You'll get a fairly sharp edge, but the circle of direct light rays will be big.

I did a cg simulation once to check that out...

Parabolic Reflectors with Various Surface Treatments in Photography
http://www.youtube.com/watch?v=Pi2M6x1uawY

Aug 21 14 12:33 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Not exactly, but I have seen DIY Hardbox modifiers (google Profoto Hardbox to see what I'm talking about).

I think our own Mortonovich made one out of a coffee can and painted it black.  I would try something along that route, but I would probably try to find a tube that was a bit longer.  Maybe fabricate something out of larger PVC pipe.

https://www.modelmayhem.com/po.php?thre … st14565977

For sharper results, I'd go with a fresnel lens.

Aug 21 14 12:34 pm Link

Photographer

J E W E T T

Posts: 2545

al-Marsā, Tunis, Tunisia

Aug 21 14 12:38 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

Looknsee Photography wrote:
surfaces, and spray painting them matte black.  I'm hoping to create really sharp edged shadows.

Wait. Are you talking about the circular shadow of the light spill? Or shadow of the model onto a wall?

The model is just getting direct rays from the flash, same as if it were bare.

The short, wide snoot you are making just puts a circle of light around the whole thing.

Aug 21 14 12:38 pm Link

Photographer

Mortonovich

Posts: 6209

San Diego, California, US

Giacomo Cirrincioni wrote:
Not exactly, but I have seen DIY Hardbox modifiers (google Profoto Hardbox to see what I'm talking about).

I think our own Mortonovich made one out of a coffee can and painted it black.  I would try something along that route, but I would probably try to find a tube that was a bit longer.  Maybe fabricate something out of larger PVC pipe.

https://www.modelmayhem.com/po.php?thre … st14565977

For sharper results, I'd go with a fresnel lens.

Yep, that was me. Small trash can, actually. And it worked AWESOME. I made it for Mark Sacro. The thing fugging rocks and I think he still uses it a bunch.

Aug 21 14 12:51 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

For really sharp DIY shadows of the model, I'd try leaving the reflector silver but closing its mouth with a black cover, and making a small-ish diffusion-covered hole in that mouth.

You'll probably lose a lot of light so it would help to start with a bright one.

---

or diffusion over a small-mouthed snoot.

Aug 21 14 12:52 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

Mortonovich wrote:
Yep, that was me. Small trash can, actually. And it worked AWESOME. I made it for Mark Sacro. The thing fugging rocks and I think he still uses it a bunch.

How are the shadow edges sharper than using a bare bulb?

Aug 21 14 12:53 pm Link

Filmmaker

Mr_Sable

Posts: 83

Calgary, Alberta, Canada

Why wouldn't you just line it with black foil and save your gear?

Aug 21 14 12:56 pm Link

Photographer

Toto Photo

Posts: 3757

Belmont, California, US

Mr_Sable wrote:
Why wouldn't you just line it with black foil and save your gear?

Yep, CineFoil I think it is called.

Aug 21 14 12:59 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

It also happens that a Mole Richardson 1K baby solarspot type 407 Fresnel lens fits nicely into the mouth of a PCB 7" reflector.

No spotting or flooding, but if you like what you get...

Aug 21 14 01:03 pm Link

Filmmaker

Mr_Sable

Posts: 83

Calgary, Alberta, Canada

It's pricey, but you can get it at any production house and it has a great many uses -  You can bend scoops and barn door extensions and such with it.

Aug 21 14 01:03 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

Mr_Sable wrote:
It's pricey

But it's quite reusable.

Aug 21 14 01:05 pm Link

Photographer

Mikey McMichaels

Posts: 3356

New York, New York, US

Looknsee Photography wrote:
I'm thinking about creating some harsh lighting setups with my strobes.  I have detachable reflectors -- indeed, you have to take off the reflector to use the soft boxes.

I'm thinking about taking one of the small reflectors, scuffing you the reflective surfaces, and spray painting them matte black.  I'm hoping to create really sharp edged shadows.

Anyone done this before?  Is it worth the bother (and the destruction of a reflector)?

I'm guessing most people will consider this a pointless idea and those who have tired it will simply have different taste than you - meaning you should definitely try it because you're really not going to know if it's worth it any other way.

Aug 21 14 01:05 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Mr_Sable wrote:
It's pricey

NothingIsRealButTheGirl wrote:
But it's quite reusable.

Yep.  If you think of it as black tin foil you'll lose your mind over the cost.

If you think of it as a reusable, multifunction light shaping tool that can be converted into a flag, a gobo, a set of barn doors, a cooky and a snoot, it becomes a bargain...

Aug 21 14 01:08 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Mortonovich wrote:
Yep, that was me. Small trash can, actually. And it worked AWESOME. I made it for Mark Sacro. The thing fugging rocks and I think he still uses it a bunch.

NothingIsRealButTheGirl wrote:
How are the shadow edges sharper than using a bare bulb?

Looking at the photos, I'm not sure if they are.

If I were building it, I'd want a silver parabolic reflector behind the light.

Aug 21 14 01:11 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Mr_Sable wrote:
Why wouldn't you just line it with black foil and save your gear?

Toto Photo wrote:
Yep, CineFoil I think it is called.

Another brand is called BlackWrap.  Same stuff.

Aug 21 14 01:11 pm Link

Photographer

Llobet Photography

Posts: 4915

Fort Lauderdale, Florida, US

I've done this.
No need to destroy a reflector at all.

I have PCBuff Einsteins and I have a tin can of "Pepperidge Farm, Pirouette, rolled wafers". It locks in nicely with into the Einstein.  It's about 10cm in diameter (4 inches) by 18cm long (7 inches).

You can use any can that fits your lights.  Just cut out the bottom with a can opener. smile

I lined the inside with black cinefoil to kill reflections.
I don't have any examples yet but it creates a circular light against the wall that is very sharp because the strobe is small.

Aug 21 14 01:13 pm Link

Photographer

Michael Broughton

Posts: 2288

Winnipeg, Manitoba, Canada

you're going to be converting a lot of light into heat, so watch out for overheating, especially if you're using spray paint. at the very least i'd recommend choosing a spray paint meant for painting barbecues or engine parts. myself i'd skip the black paint and just make a custom reflector out of sheet aluminum that's only slightly bigger than the flash tube.

Giacomo Cirrincioni wrote:
If I were building it, I'd want a silver parabolic reflector behind the light.

that'll cause a double shadow. a spherical reflector with the flash tube dead center would work though.

Aug 21 14 01:16 pm Link

Model

Shei P

Posts: 540

Brooklyn, New York, US

I made a black reflector for my Einstein. It has darker and cleaner shadows (on a wall) than a silver with at least 2stops loss of light.

But it doesn't give a single hard edge shadow like a Profoto Hardbox.

Aug 21 14 01:40 pm Link

Filmmaker

Mr_Sable

Posts: 83

Calgary, Alberta, Canada

Giacomo Cirrincioni wrote:

Mr_Sable wrote:
It's pricey

Yep.  If you think of it as black tin foil you'll lose your mind over the cost.

If you think of it as a reusable, multifunction light shaping tool that can be converted into a flag, a gobo, a set of barn doors, a cooky and a snoot, it becomes a bargain...

Yeah.  What he says. smile

Aug 21 14 01:45 pm Link

Photographer

PR Zone

Posts: 897

London, England, United Kingdom

Aug 21 14 01:49 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

Shei  P wrote:
I made a black reflector for my Einstein. It has darker and cleaner shadows (on a wall) than a silver with at least 2stops loss of light.

But it doesn't give a single hard edge shadow like a Profoto Hardbox.

You make it sound like you think a Profoto Hardbox on your Einstein would make your Einstein produce sharper shadows.

Aug 21 14 01:51 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Michael Broughton wrote:
you're going to be converting a lot of light into heat, so watch out for overheating, especially if you're using spray paint. at the very least i'd recommend choosing a spray paint meant for painting barbecues or engine parts. myself i'd skip the black paint and just make a custom reflector out of sheet aluminum that's only slightly bigger than the flash tube.


that'll cause a double shadow. a spherical reflector with the flash tube dead center would work though.

Yeah, that's right.  Listen to him.

Aug 21 14 02:06 pm Link

Photographer

Jakov Markovic

Posts: 1128

Belgrade, Central Serbia, Serbia

Don't do it, I mean, yes it will make it harder, but it will still not be matte enough to give you one distinct shadow, unless it's some super textured spray.

What you need to do is surround your light source with black fabric on at least two sides.

For That you can construct a box, if you may call it from styrofoam and fabric, I make it so big that it's 10 feet high and 3 feet wide. (two large panels, one left one right, and one small to top it all, put just plain fabric on the floor of the studio and done).

P.S.I tried paint, it worked on a larger modifier, but not on smaller ones.

Aug 21 14 02:15 pm Link

Photographer

Mortonovich

Posts: 6209

San Diego, California, US

Mortonovich wrote:
Yep, that was me. Small trash can, actually. And it worked AWESOME. I made it for Mark Sacro. The thing fugging rocks and I think he still uses it a bunch.

NothingIsRealButTheGirl wrote:
How are the shadow edges sharper than using a bare bulb?

They're not really. The advantage over bare bulb is that, of course, you have more control over where the light goes. Less scatter and bounce-fill (depending on your location).

Aug 21 14 03:10 pm Link

Photographer

J O H N A L L A N

Posts: 12221

Los Angeles, California, US

NothingIsRealButTheGirl wrote:
You make it sound like you think a Profoto Hardbox on your Einstein would make your Einstein produce sharper shadows.

And why exactly (not withstanding the mounting issues  - which aren't insignificant), do you think the hardbox mounted correctly to a light doesn't/won't/wouldn't?

Aug 21 14 03:15 pm Link

Photographer

Mortonovich

Posts: 6209

San Diego, California, US

Shei  P wrote:
I made a black reflector for my Einstein. It has darker and cleaner shadows (on a wall) than a silver with at least 2stops loss of light.

But it doesn't give a single hard edge shadow like a Profoto Hardbox.

I knew you were cool!!!!

Aug 21 14 03:33 pm Link

Photographer

Sans Cloth

Posts: 166

Salt Lake City, Utah, US

J O H N  A L L A N wrote:
And why exactly (not withstanding the mounting issues  - which aren't insignificant), do you think the hardbox mounted correctly to a light doesn't/won't/wouldn't?

The reason you cannot use a Hardbox on most strobes but Profoto (I have never seen or heard of anyone using successfully on any other brand) is due to the design.  The glass dome has to be removed (which is why the Profoto D500 cannot be used) which leaves only the actual flash tube at a 90 degree from the opening - it is the smallest footprint of the flash tube possible, and along with a specifically design edge that masks the light coming out of the front opening, causes the hard edge.

Aug 21 14 03:35 pm Link

Photographer

J O H N A L L A N

Posts: 12221

Los Angeles, California, US

Sans Cloth wrote:

The reason you cannot use a Hardbox on most strobes but Profoto (I have never seen or heard of anyone using successfully on any other brand) is due to the design.  The glass dome has to be removed (which is why the Profoto D500 cannot be used) which leaves only the actual flash tube at a 90 degree from the opening - it is the smallest footprint of the flash tube possible, and along with a specifically design edge that masks the light coming out of the front opening, causes the hard edge.

Yes I realize, that's why I couched the question with "not withstanding the mounting issues which aren't insignificant". BTW I'm a Profoto user.
But my question was more assuming you could resolve the mounting issue where the tube was stuck in there at a 90 degree angle, why did the photographer feel it wouldn't produce a hard edge shadow.

Aug 21 14 03:47 pm Link

Photographer

Sans Cloth

Posts: 166

Salt Lake City, Utah, US

J O H N  A L L A N wrote:
Yes I realize, that's why I couched the question with "not withstanding the mounting issues which aren't insignificant". BTW I'm a Profoto user.
But my question was more assuming you could resolve the mounting issue where the tube was stuck in there at a 90 degree angle, why did the photographer feel it wouldn't produce a hard edge shadow.

I think we are on the same page...I'm just more of the opinion that it is NOT possible (instead of "aren't insignificant").

Aug 21 14 04:00 pm Link

Photographer

JONATHAN RICHARD

Posts: 778

New York, New York, US

Shei  P wrote:
.....
But it doesn't give a single hard edge shadow like a Profoto Hardbox.

I have found that the stock Profoto Hardbox actually produced a double edge shadow…NOT a clean single  edge  shadow....  which  is  obtainable with a Leko Strobe (Ellipsoidal Spot  reflector)

Aug 21 14 04:08 pm Link

Photographer

Managing Light

Posts: 2678

Salem, Virginia, US

NothingIsRealButTheGirl wrote:
Parabolic Reflectors with Various Surface Treatments in Photography
http://www.youtube.com/watch?v=Pi2M6x1uawY

Nice study - thanks for that.

Aug 21 14 04:47 pm Link

Photographer

Dan Howell

Posts: 3562

Kerhonkson, New York, US

Looknsee Photography wrote:
I'm thinking about creating some harsh lighting setups with my strobes.  I have detachable reflectors -- indeed, you have to take off the reflector to use the soft boxes.

I'm thinking about taking one of the small reflectors, scuffing you the reflective surfaces, and spray painting them matte black.  I'm hoping to create really sharp edged shadows.

Anyone done this before?  Is it worth the bother (and the destruction of a reflector)?

Yes, we did it all of the time at one studio I assisted/shot at. We did large room sets for furniture and softgoods still-life catalogs. The black 'reflectors' (in this case all Comet strobes) were used when we wanted to create a sharp sun effect in a room--sometimes thru prop windows.

There are a few differences/reasons to do it with the reflector and not Cinefoil. With a black reflector you can still use drop-in grids if the reflector is made for them and Cinefoil can sometimes get in the way of proper venting of the strobes which can shorten the life of the flash tube.

I use an optical spot for that effect in my own studio, but they do require a certain amount of space for the fixture itself and they don't transport well. A black reflector is a cheaper and practical light modifier for the same or similar effect.

Aug 21 14 04:52 pm Link

Photographer

Good Egg Productions

Posts: 16713

Orlando, Florida, US

Mr_Sable wrote:
It's pricey, but you can get it at any production house and it has a great many uses -  You can bend scoops and barn door extensions and such with it.

It certainly is NOT pricey.

Unless you think $30 for a roll of it (shipping included) is out of your budget.

http://www.amazon.com/dp/B0002IHHME/ref … 5YDVY5AOZ4

Aug 21 14 05:07 pm Link

Photographer

Giacomo Cirrincioni

Posts: 22232

Stamford, Connecticut, US

Sans Cloth wrote:

The reason you cannot use a Hardbox on most strobes but Profoto (I have never seen or heard of anyone using successfully on any other brand) is due to the design.  The glass dome has to be removed (which is why the Profoto D500 cannot be used) which leaves only the actual flash tube at a 90 degree from the opening - it is the smallest footprint of the flash tube possible, and along with a specifically design edge that masks the light coming out of the front opening, causes the hard edge.

You can easily remove the glass dome from a Hensel strobe.

Aug 21 14 05:49 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

J O H N  A L L A N wrote:
And why exactly (not withstanding the mounting issues  - which aren't insignificant), do you think the hardbox mounted correctly to a light doesn't/won't/wouldn't?

The only thing that's going to make it harder is if the light when used sideways presents a smaller source. That's going to vary from light to light. Does an Einstein do that? I don't know. One thing the hardbox does is control spill, but that is going to make the shadows darker, not sharper.

Fred has the sharpest suggestion in this other thread:

Fred Greissing wrote:
Hardbox and bare flash tubes IMHO don't produce clean hard light.

The problem is the shape of the tube. It is not a sufficiently clean shape.
It will produce a double shadow and often with a sort of chromatic aberration to it.
For clean hard light that really looks like the sun or sharper you really need more of a point source.

The best are:

Bare HMI bulb. (bare bulb0
High density Osram 2K spot bulb (bare bulb)

For flash you will get some improvement with a double coil flash tube ( the kind used in dedicated fresnel spot heads).

The best and most economical way to get very clean hard light is to use a Selecon Acclaim and then get a Chimera 2170 speed ring (for elinchrom) or the equivalent for your flash.
The selecon acclaim is a tungsten focusing and zooming Leko light. You just unscrew the tungsten "head" and them screw the Chimera speed ring on.
There is also an IR filter in the selecon... you need to remove that too. Very easy to do.

The results are very good with a clean and sharp projected shadow. Even the fine detail of hair projects a clean and detailed shadow.

Look at how clean the hair shadow is here:

https://photos.modelmayhem.com/photos/100916/14/4c9287288bf79_m.jpg


Here see how clean the shadow of the arm is and how clean the shadow from the
the models eye lashes is.

https://photos.modelmayhem.com/photos/091222/23/4b31c914ec7b6_m.jpg

You can get Selecon Acclaims for a good price from theatrical lighting dealers.
If you get lucky you can pick them up  cheaper still on ebay.

There are many types of Lekos out there, but the selecon acclaim is the best suited for flash retrofitting.

As far as output. I get f11 when projected head to toe using a 3K head at iso 100

https://www.modelmayhem.com/po.php?thre … st14570790

Aug 21 14 06:23 pm Link

Photographer

NothingIsRealButTheGirl

Posts: 35726

Los Angeles, California, US

Managing Light wrote:

Nice study - thanks for that.

Thank you

Aug 21 14 06:44 pm Link

Filmmaker

Mr_Sable

Posts: 83

Calgary, Alberta, Canada

Good Egg Productions wrote:

It certainly is NOT pricey.

Unless you think $30 for a roll of it (shipping included) is out of your budget.

http://www.amazon.com/dp/B0002IHHME/ref … 5YDVY5AOZ4

$30!?!   William F. White F***S us again (and again and again)!  What a bargain!

Aug 21 14 07:08 pm Link

Photographer

Llobet Photography

Posts: 4915

Fort Lauderdale, Florida, US

This was shot in my living room home studio.
I wanted to approximate sunlight.

The ceilings are 8 feet and the room is 15x18 feet painted white (slightly yellowish).
I put the Einstein strobe with a bare bulb up against the ceiling facing down slightly toward the model.  No other modifiers were used.

https://photos.modelmayhem.com/photos/140821/19/53f6ae22b99e4_m.jpg

Aug 21 14 07:48 pm Link