Old 05-07-2010, 09:43 PM #1
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Default rayfoss 250mw

I am currecntly looking into getting my first 405nm high-power laser.

www.rayfoss.com

Anyone know why the 250mw laser is only $5 more expensive than the 200mw?

If I buy the 250mw should I expect a shorter lifespan of the laser?

Does rayfoss use acrylic or glass lenses?


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Old 05-09-2010, 06:55 AM #2
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Default Re: rayfoss 250mw

Not the best choice IMO. For that kind of money, you could build or have built, a very nice 405nm laser, at around 200-250mW.
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Old 05-09-2010, 08:26 PM #3
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Default Re: rayfoss 250mw

Dont buy it. That laser does not have a focusing lens. You will be missing out on all the fun. Wait for something in your price range to show up in the buy and sell thread. Or have one built for you.
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Old 05-09-2010, 09:15 PM #4
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Default Re: rayfoss 250mw

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Originally Posted by rpaloalto View Post
Dont buy it. That laser does not have a focusing lens. You will be missing out on all the fun. Wait for something in your price range to show up in the buy and sell thread. Or have one built for you.
Exactly, without being able to focus it, you just have a high powered laser POINTER not a high powered laser BURNER.....granted you have a beam....and yeah, for the same price, you could make a 250mw laser, if not a BETTER one if you try hard enough.
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Old 05-10-2010, 12:53 AM #5
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Default Re: rayfoss 250mw

Quote:
Originally Posted by rpaloalto View Post
Dont buy it. That laser does not have a focusing lens. You will be missing out on all the fun. Wait for something in your price range to show up in the buy and sell thread. Or have one built for you.
What are you talking about? It says "Dot size is adjustable by turning the torch head."

Sounds like it focuses to me
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Old 05-10-2010, 02:47 AM #6
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Default Re: rayfoss 250mw

Quote:
Originally Posted by Pontiacg5 View Post
What are you talking about? It says "Dot size is adjustable by turning the torch head."

Sounds like it focuses to me
I was basing my assumption based off of the mrad measurement. Usually (as far as I've seen) when it's ajustable, the mrad will have a number then '(ajustable)' next to it. But when I look at other lasers on there site, it still has it WITHOUT 'ajustable' next to the mrad...hmm...I think you're right, it probably is ajustable, pay the extra $5 for it I guess, or make your own the way YOU want it =] OR you can pay $290 for a 12X laser and get 500-600mw... I BELIEVE...but that's $130 over your original price for the 250mw you're looking at....your choice =P

1x 12 Pioneer drive....$185
1x module................$2.50-ish
1x Flexdrive..............$30
1x Copper Heatsink....$28
1x 405-G-1 lens........$45

Last edited by bloompyle; 05-10-2010 at 02:52 AM.
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Old 05-10-2010, 03:26 AM #7
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Default Re: rayfoss 250mw

It is focusable.


I have the 100mW version, and it is totally waterproof (to shallow depths).


However, for that price, I don't believe it would be easy to build a waterproof one (that focuses). So it appears to be a god buy.
But, beware, check that all the o-ring seals are tight before going swimming with it.
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Old 05-10-2010, 04:14 AM #8
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Default Re: rayfoss 250mw

rayfoss sells that same host for 18 bucks
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Old 05-10-2010, 11:20 AM #9
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Default Re: rayfoss 250mw

Thanks for the help guys, but I already bought this one: http://laserpointerforums.com/f39/so...lda-50521.html
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Old 05-10-2010, 08:54 PM #10
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Default Re: rayfoss 250mw

Cool buy! It is running a SF-AW210 at 180mA though, which is on the high side for that diode, so you will need to use shorter duty cycles to keep the life long. I have an SF running at 177mA putting out 230mW with a G-1! I really do like those diodes, even more than the GGW!
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20mW rated 473nm PGL III-C outputing 55+mW and peaked at 96mWthanks Glenn!!
80mW rated 589nm PGL III-C
300mW rated 532nm PGL-III-C---Peak---450mW!!!

250mW labby from ebay---peaks near 300mW!


125mW viper DL-peak 188mW
50mW focusable ~Top laser 301-peak 44.12mW
Several modded pens 10 -30mW
*DIODE*
445nm diode pocket mini build, 700mA ~ 600mW---
445nm diode in 18650 kit---1.1A---1W

16X LCC chrome pckt mini, flex 500mA, outputting 303.2mW with G1
LOC with RKCSTR-- 434mA thanks FPyro-peak 305.1mW with G1
130mW 3.8mm diode pointer from moh-peak 140mW
635nm AtlasNova 5mW outputting 2mW
8X BH08LS20 diode in MX host 420mW with DFW lens thanks FPyro!!
SF-AW210 in jayrob pocket mini, flex drive 177mA~230mW with G1 glass
5mW ebaser with star cap puttin out 34mW
50mW focusable ~Top laser 302
200mW 808nm skylasers pointer-peak 291.2mW
*GAS*
Melles Griot He-Ne Bare Tube w/ mini PSU
JDS UNIPHASE 1508 Novette
Melles Griot Bare Tube HeNe w/ power supply
Cheap surplus Bare Tube HeNe
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Old 05-12-2010, 07:31 PM #11
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Default Re: rayfoss 250mw

Quote:
Originally Posted by Pontiacg5 View Post
rayfoss sells that same host for 18 bucks
Yep. In Purple or Matte Black:
Hopefully it comes with the lens assembly. But, if you have ever seen the inside of one of these, you would wonder how you would press-fit a DIY LOC or GGW with driver and spring into it.
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Old 05-12-2010, 07:36 PM #12
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Default Re: rayfoss 250mw

I've asked for inside pics a couple of times or even a cutaway but they won't respond. The lip to press fit a module is really low in there isn't it?
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Old 05-13-2010, 05:12 PM #13
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Default Re: rayfoss 250mw

Quote:
Originally Posted by Pontiacg5 View Post
I've asked for inside pics a couple of times or even a cutaway but they won't respond. The lip to press fit a module is really low in there isn't it?
Pics attached:

Front (diode) ... ... Rear (driver/spring)
Attached Thumbnails
rayfoss 250mw-p1012460.jpg   rayfoss 250mw-p1012469.jpg  
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