Beam Shots - SMO Reflector versus Stippled Reflector - Just so you can see the difference.

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Old-Lumens
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Beam Shots - SMO Reflector versus Stippled Reflector - Just so you can see the difference.

Hello,

I have been talking about showing the difference between a Smooth Reflector and a Stippled Reflector, so everyone can see the difference for themselves. Finally I have the shots for you to see.

The test light is the Blue 1D that I just finished. It has an XM-L T6 led in it, I cannot tell you the tint, but it's up in the 6000k+ range. It is showing about 3000ma on high. All shots are on high. It is powered by 4xAA Eneloops. The reflector is a 51.2x29.5mm Aluminum Mill Reflector For XM-L T6, from CNQG. It is a SMO reflector and I will Stipple it for the second half of the tests.

The photos are all shot with my Canon S3IS set on Manual. The settings are:

ISO 200

F:2.7

Shutter 1 second

WB/Daylight

The last set of photos, taken inside has a different set of parameters and it will be identified under the photos.

 ALL Photos are set up with   MouseOut SMO  and   MouseOver Stippled.

Here we go;

 

Garage Door

 MouseOut SMO  and   MouseOver Stippled.

 

 Wall

 MouseOut SMO  and   MouseOver Stippled.

 

tree

 MouseOut SMO  and   MouseOver Stippled.

 

pond

 MouseOut SMO  and   MouseOver Stippled.

 

fountain

 MouseOut SMO  and   MouseOver Stippled.

 

 =========================================================

 

 MouseOut SMO  and   MouseOver Stippled.

inside

This last set, is to show a little more definition of the beam. Settings are the same, except for Shutter speed of 1/60 Second. A faster shutter, to show a little more definition.

 

Basically, using the Stippling gives more spill, with a larger hot spot. You loose throw, but gain side spill. You also loose lumens, since the light is now expanded across a larger area, it seems to cut down on the light. Some of this is perceived, some of it is actual loss, because the reflector is no longer smooth, so it does not reflect out as well as it did. I cannot measure lumen output, so all I can give you is a few photos. I would guesstimate somewhere around 25% to 30% loss using a Stippled or OP reflector.

My preference is spill over throw ans uniformity of the beam over artifacts. That's why I stipple my reflectors.

 

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Edited by: Old-Lumens on 10/06/2012 - 23:14
Slewflash
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those are looking great OL, nice photos.
I always did like visual aids.

However for me, I always did favour throw since it gave a bigger ‘wow’ factor, unless you were indoors then all the light would be contained and it would have the same effect.

Slewflash 

texaspyro
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Old-Lumens wrote:
You also loose lumens, since the light is now expanded across a larger area

Actually you loose lux (light per unit of area) because the same amount of light is spread out over a bigger area.

Lumens is the total amount of light. Stippling does lose you some lumens, but that is because the coating absorbs some light.

ChibiM
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How to do a mouse-over on an iPod touch?
It doesn’t work for me.

Old-Lumens
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ChibiM wrote:
How to do a mouse-over on an iPod touch? It doesn't work for me.
I don't know, what's an iPod? LOL.

Guess I will do another post with the separate photos.

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Old-Lumens
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In sets, the first of each set is always the SMO, the second of each set is the Stippled.

 

1a

1b

 

----------------------------------------------------------------------------------------------------------------

 

2a

2b

 

-----------------------------------------------------------------------------------------------------------------

 

3a

3b

 

----------------------------------------------------------------------------------------------------------------

 

4a

4b

 

-----------------------------------------------------------------------------------------------------------------

 

5a

5b

 

--------------------------------------------------------------------------------------------------------------

 

6a

6b

 

 

 

 

My PayPal address: oldlumens (insert the @ sign here) gmail.com

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Slewflash
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ChibiM wrote:
How to do a mouse-over on an iPod touch? It doesn’t work for me.

You cant, because there is no mouse or hovering option in iOS.

Slewflash 

Lumatic
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a thousand words. Outstanding.

“When I buy something in bulk you should prolly buy at least one too.”…..“They that have light shall rule the night.”…..“Flashaholics feel depressed without darkness.”…….“I’m a very terminal torchaholic. My entire life just flashed before my eyes

Slim Pickens
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Thanks for a very direct comparison, OL. I’ll try my hand at stippling a reflector with some Krylon clearcoat.

flash.light
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GREAT mo’s Old-Lumens!!!

To my eyes on my screen, it seems the following the following three pics

Old-Lumens wrote:

Garage Door

Wall

tree

 

when compared to the following 2:
Old-Lumens wrote:

pond

 

fountain

are a great examples exemplifying the balance of throw vs. spill, as well as your exemplary work.

Thank you!

edc
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Nice work Old-L . I remember when people were buying smo reflectors for their C8’s. I do like the stippled reflectors

 

http://i1193.photobucket.com/albums

flashlight man
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Very nice thanks for sharing these with us!

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Nice shots, Justin Smile

scaru
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Thanks OL! For anyone on a Iphone you may need to refresh the page before mouseovers will work. 

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Hey, Old, thank you very much for these pics Big Smile Good job! Beer
I think that the result is awesome Silly After stipple, you get an awesome floody and even beam Love Only one thing, pease, post a close up pic of that stippled reflector. Just want to see how much did you stipple it to get that type of beam. Thanks again Crown

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SashiX wrote:
Hey, Old, thank you very much for these pics Big Smile Good job! Beer I think that the result is awesome Silly After stipple, you get an awesome floody and even beam Love Only one thing, pease, post a close up pic of that stippled reflector. Just want to see how much did you stipple it to get that type of beam. Thanks again :crown:

s1

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SashiX
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Perfect! Thanks Wink

Old-Lumens
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oldbobk wrote:

Justin,

     Since you do enough Mag builds, and have found a reflector you like, why not leave the choice up to the eventual buyer? I always go for SMO, myself, since I want maximum range, but I understand the OP for very powerful lights. Also, I've clear-Krylon-ed the plastic lens on Rebel Mags. Full coverage, and the beam gets a bigger and more usable hotspot. I think I've found the answer to ringiness, too. Anytime I had that, and I just had a horrible example on a TS/XM-L build, moving the emitter farther forward made a big difference. Just a few thoughts.

                                                                    Bob K

I stipple them because of the uneven beam. On any build I have done (except for aspheric), the beam will look somewhat oval, or uneven, or have "artifacts" (blotches?), with any SMO reflector. Stippling solves that. I never really see rings with these XM-L leds. I only ever see rings with XR-E and the old incans. The Stipple leaves a smooth beam, but of course, it kills throw. When I make a thrower (I have done one or two, but rarely ever), I leave the reflector smooth.

I guess I could leave it to the new owner, but some people will not want to "fix their own reflector" and it's not worth the trouble if someone does not like the oval or out of shape beam, when they get it. I try to show the beam shots, so they know what they are getting. If someone wants a thrower, well there's a hundred chinese throwers out there for as low as $14 (A60) and I figure that's enough. I was going to make a Thrower out of one of these Maglite builds, but the problem I have is the room. These incan lights have no space for a deep reflector and if I use one, it means the heat sink will be very thin and I hate to do that. I have found the short reflector gives me more heat sink room and I guess that's why I do it.

I'm not all that fond of these reflectors, but there's darned little out there in the way of aluminum reflectors that will fit a Maglite. In fact, none of them really fit. They don't drop in and they need to be massaged to fit. I wish there was a good reflector for the Mag. KD used to carry some, but they were high priced, now they don't stock them. I found some for $20 each, but no way on that...

As fas as moving the emitter forward, it's down all the way now (photo below). There's no place to go. The reflector is touching the isolator as it is. I don't know how I would go deeper unless I used an 8mm star and made a bigger hole in the reflector that went down over the star. I did that once, but it didn't look any better, so I ended up backing it off and Stippling, LOL.

 

nf

 

Edit: If you have a good way and a photo, that would be great!

 

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Thanks OL, nicely done.
I did some stippling myself with a old modded Mag with a Seoul P7 LED.
The method I used is very similar to your tutorial video.
The first coat I did is the only difference.
I bent the neck of the spray nozzle slightly back to produce a dribbling effect with bigger spray droplets.
It gave the reflector a heavier orange peel look.
I let that dry, then I gave it a 2nd coat similar to your application style.
I noticed when I was experimenting spraying, temperature has a effect on the outcome.
When it’s colder, the haze is cloudier, it’s clearer when it’s warmer.

scaru
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OL, do you have a link to the reflector you used? I figure I'll order one of those to use with my light too. Big Smile 

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scaru wrote:

OL, do you have a link to the reflector you used? I figure I'll order one of those to use with my light too. Big Smile 

Deep

Shallow

 

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scaru
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Thanks. Smile

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oldbobk wrote:

edc,

      SMOs in my C8s. It’s an outside light, right?

                                                          Bob K

I wonder if the difference in people’s preferences in this regard is that some are using the light more to illuminate where they are walking (outside at night) and some are more concerned with spotting something (animals or whatever).

If the reason you’re out there in the first place is to spot something in the distance then more people may prefer a smooth reflector.

If you’re mainly out for a walk or working on something then more people may find the more even beam pattern of an OP reflector preferable.

Old-Lumens
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Use has to be a big factor for some. Flood for walking, Throw for hunting/spotting. A mix for both, or a 3,000 lumen monster that just lights up everything in between.

I've got to think throwers have to be for outdoor people and people that are in, or get out to, the country a lot. City folk like me, just don't have a need for throw, except for a wow light if there is some place to shine it at.

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oldbobk wrote:

A properly designed SMO can work; it's just that most reflectors aren't that good.

                                                                Bob K

Got to agree with that. I haven't found a "replacement reflector" from china yet that wasn't funky. Either it's got dirt and dust imbedded or it's got some coating on it that shows a rainbow effect in it. Profiles don't seem to match what they are supposed to be designed for. It's almost at the point where it's just as good to go buy some Mag Rebel LED reflectors and leave it at that, even though they are plastic. Hell, they aren't going to melt with an XM-L on a big heat sink anyhow.

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Thanks for the seperate pics,
And thanks for the tips to double click to see the mouse-over.
When I first did it, it only zoomed out and in, on the pic.
Anyway thank you all!