Opening the light to re-center the emitter. Is this generally hard (and wise) to do?

Marconelly

Newly Enlightened
Joined
Sep 7, 2013
Messages
18
I have recently purchased Eagletac SX25L3, and upon receiving it, realized that the emitter is somewhat off center. I don't have the batteries yet to test if the pattern is visibly offset because of this, but I won't lie, paying so much for a flashlight and then seeing an imperfection where it matters the most is already annoying. It's like buying a camera and getting a scratched lens or something.

Now, I know I can ask the dealer for a replacement, but I also know they will charge me the shipping for the return, and I'll have to wait a week or so for the back & forth, so I was considering that it might just be an easy fix to open the light up and recenter the emitter. However, I'm a complete newbie when it comes to this, I don't even know to which lengths these manufacturers go to lock the access to the emitter. Will the dust get in when I open it? Is it all glued together so I would have to break it apart? Do they get the air out of that chamber while closing it up so it's kept in a somewhat of a vacuum? I have no idea. My experience is only really with cheaper lights that you normally can just unscrew the head off and get to the lamp that's inside to replace it if it burns. This particular light has four small screws visible in the underside when you unscrew the head, so if there's typically no glue involved with Eagtac lights, maybe I can just unscrew them and access the emitter. But then will I be actually able to move it at all, or is the emitter itself usually glued to the heatsink (using glue there seems like a terrible idea to me, but what do I know)?
 

reppans

Flashlight Enthusiast
Joined
Mar 25, 2007
Messages
4,873
Opening the light to re-center the emitter. Is this generally hard (and wise)...

Leave it, doesn't really affect the beam unless it is way off (which I doubt). You'll void warranty, get dust inside, fingerprints/scratches on the reflector, etc.
 

RubiconSS

Newly Enlightened
Joined
Sep 23, 2013
Messages
48
Re: Opening the light to re-center the emitter. Is this generally hard (and wise)...

I say leave it alone as well (unless it is way off in which case, call and see IF that is a warranty claim)
Real use - no effect. Beamshots onto a white wall is probably the only scenario you'd notice anything.
 

DellSuperman

Flashlight Enthusiast
Joined
Dec 5, 2012
Messages
1,760
Location
Singapore
Re: Opening the light to re-center the

Real use - no effect. Beamshots onto a white wall is probably the only scenario you'd notice anything.

Yeah, you will see a lot of problems with your beam when white wall hunting but in most cases, you won't feel a thing when you are using it outside.
So when you get your batteries, try it out first.

- JonK
 

HotWire

Flashlight Enthusiast
Joined
Mar 9, 2011
Messages
1,651
Re: Opening the light to re-center the

Lots of good advice ^ about centering the LED. Like the posters before me I'd wait until you can try it with batteries in a real-world environment. A small offset should not make much difference. Welcome to CPF!
 

Mr. Tone

Flashlight Enthusiast
Joined
Jul 2, 2009
Messages
2,350
Location
Illinois
Re: Opening the light to re-center the

Can you show us a pic of what you are talking about? Here is a pic of that same light that I owned a while back. The hole in the reflector and the size of the emitter are almost the same. I am just curious how much you are talking about and if it would be relevant to actual use or not.

 
Last edited:

Marconelly

Newly Enlightened
Joined
Sep 7, 2013
Messages
18
Re: Opening the light to re-center the

Can you show us a pic of what you are talking about? Here is a pic of that same light that I owned a while back. The hole in the reflector and the size of the emitter are almost the same. I am just curious how much you are talking about and if it would be relevant to actual use or not.
Of course, here it is. You're right, there' not much wiggle room there, the opening is just slightly bigger than the emitter. But you can tell from the picture it touches the left side of the reflector and there's some space to the right. With a glass half-empty mindset, you could say that it's almost as bad as it can possibly get :p On a more positive note, It took me several tries to even make a photo where this was going to be somewhat visible. It's really maybe 0.5-1 millimeter offset from the ideal center, and I guess it's a bit more obvious when looking at it with both eyes due to 3D perception.
TUDF1Cu.jpg


In selfbuilt's review you can see one that seems perfectly centered:
http://i243.photobucket.com/albums/ff97/selfbuilt/2013/SX25L3028.jpg
 

T-roc87

Newly Enlightened
Joined
Dec 2, 2009
Messages
107
Location
Wisconsin
Re: Opening the light to re-center the

I would not let that little bit bother you. I personally don't think it would be worth the time and effort but that is your call. It can be tough to get a totally flawless light. Especially with the orange peel reflector you will never see that in real world use. Even against a white wall it should be rather minuscule.
 

P1X4R

Newly Enlightened
Joined
Oct 9, 2013
Messages
121
I received mine yesterday. It outputs an amazing wall of light! I got the MT-G2 LED neutral tint version.
 

Marconelly

Newly Enlightened
Joined
Sep 7, 2013
Messages
18
Re: Opening the light to re-center the

I would not let that little bit bother you. I personally don't think it would be worth the time and effort but that is your call. It can be tough to get a totally flawless light. Especially with the orange peel reflector you will never see that in real world use. Even against a white wall it should be rather minuscule.
Yeah, I'm thinking the type of the reflector, plus the width of the surface from which the light comes out of should render this a non-issue. Thins sort of thing shouldn't affect the strength of the light output either, I guess. Still waiting on those 18650 batteries from fasttech, but reading how there's all these shipping delays with them so who knows when, or if I'll get them :\
 

Mr. Tone

Flashlight Enthusiast
Joined
Jul 2, 2009
Messages
2,350
Location
Illinois
Re: Opening the light to re-center the

Yeah, I'm thinking the type of the reflector, plus the width of the surface from which the light comes out of should render this a non-issue. Thins sort of thing shouldn't affect the strength of the light output either, I guess. Still waiting on those 18650 batteries from fasttech, but reading how there's all these shipping delays with them so who knows when, or if I'll get them :\

What a bummer, to have such a cool light in your hand and no batteries to power it up! :banghead:
 
Top