Which laser color is the brightest at night ?
sorry if i asked a stupid question. when i saw the first laser pointer at DX i was shocked it was 5 mw and green of course. After there was red and blue and so on. Now there are so many types. Now i am...
View ArticleDirect driving nubm44 with 1 or 2 18650 ?
I know you can direct drive a nubm44 with 1 18650. will it work with 2 in series ?
View ArticleAnyone buy from Laserpoints.com?
I wanted to get the waterproof 505 nm reviewed by LED_museum. I can't find it anywhere on EBAY-although there are many offerings of the 488 nm version. I only found it at the "Laserpoints.com" store....
View ArticleMy Laser In The Classroom
I haven't posted for a long while, but I've still been playing with lasers. I teach Electronics classes at the local Jr. College. For the last few years it's been frustrating because I couldn't show my...
View Articlevid shot with quadcopter
Shot the beam of my Sanwu Striker 7.5W blue laser with a DJI Mavic Pro 2 quadcopter from an altitude of 400 feet. https://www.youtube.com/watch?v=Z0f8...&feature=share
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Indoor Galactic Scenery
Happy Saturday!! A mix of photos below - I experimented with a very inexpensive diffraction grating from LaserLands (link) in a handful of them. Also added in some LUMIA. In the pics where you can see...
View Articlelaser engravers
Tried looking around to see if anyone is using their lasers with a cad chassis. Built a laser a couple years back from info found here, but haven't really done much with it. But with a practical...
View ArticleIs this the tool for changing lenses?
Hi I just want to confirm thhttps://www.ebay.com/itm/Spanner-Wrench-1-32-Great-Tool-for-Lens/201921608990?hash=item2f03773d1e:g:K1QAAMXQMXRQ8y5 x
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Review of 2 Hosts with Corrective Optics
I'm a little overdue on sharing a review of a couple of hosts I have purchased from fellow LPF members. Oddly enough, I wish I had more beamshots, but once the rain clears out of the US mid-west, I'll...
View ArticleWhat a cheap laser can do, Beware!
Just saw this and thought I would share, The mum said here son staired into The cheap laser for 2 seconds, if true something to keep in mind for everyone....
View ArticleNeed 405 options
Sanwu and JL both have big boy 405 lasers. The Sanwu is a 1.6w and costs $US240 while the JL is 800mw and is $US299. I have a Striker 7.5w and a PL-E. Both are what I consider high quality products....
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490 nm Lightsaber ;-)
Just for fun. My Sanwu Challenger 2 (sharp 490 nm) pointed into an Ultrasabers light saber blade. Not attached -just pointing in. With a ring adapter and a set screw it could be attached. What would be...
View ArticleWhat's a reliable source for 18650 batteries that ships to EU?
LiIonWholesale only ships to North America, unless the orders are for 500 or more batteries. I'm in the EU. What is a reliable site to buy the correct number (how many?) of 18650 batteries to power a...
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Test of diodes in NUBM08 block all at once
This is the follow up of the story about NUBM08 block from taobao. When I finally received the PCBs I tried to solder one of them to the block. Was not easy with my old soldering set of little...
View Article685nm and 690nm laser diodes
I have been looking for some interesting red wavelengths to add to my collection. 685nm diodes can be found on eBay at ~15mW but I would like more power than that. During my search, I stumbled upon...
View ArticleGuide: Where to buy 18650 & 26650 Li-Ion batteries
This same question seems to pop up once in a while, so I added a sticky for: Where to buy 18650 & 26650 Li-Ion batteries Also if guys in "Down under" could tip us of best place in AUS to buy...
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PGL-III-C Rebuild 490 SOLD!
IÂ’ve had this host nearly a year sitting in the draw finally was inspired to rebuild it, well actually it was never a build host it was sent empty with the 589 module I bought from DL. I went with...
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Looking for a host
I've not been here for a while and nt built one for a while either, just wnted a cheap simple host that I've used before but can't seem to source one, can anyone help ?? Attachment 61482 Attached...
View ArticleWTB 575nm Labbie
I 'bought' a yellow laser from OPT (CN), and never got it. So, I have some money to put towards another one. Hopefully someone has an 'extra' and is willing to part with it. I would consider a higher...
View ArticleAlternatives to DTR for NUBM44 modules?
I emailed DTR on September 9 for information about the purchase of a NUBM44 module, and he hasn't answered yet. His last post here is dated September 5, and his last visitor message, dated June 12,...
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Pen host 505nm
This thread isn't sell - its use driver boost from me - it is SHarp diode 35mW , i set at 160mA - power ~50mW - duty cycle: 30s - battery: 1 x 10440 -------------- :beer: thanks for watching!
View ArticleLaser Genetics NS300 Green Laser Sub-Zero Designator w/Scope Mount $49.99+$10s&h
Occasionally we get people asking for a laser that works in low temperatures, or for signalling in emergency situations. I think this one fits that role perfectly. If you are a DVOR member, there is s...
View ArticleWhy is this sanwulaser so cheap?
Hi all, I'm just looking to buy a good laser and most on here recommends sanwulaser.com I'm looking for a green laser 532nm 50 - 150mw So I came across this laser:...
View ArticleSanWu 1 watt 520 nm Multimode-18650 Protected-too long-resolution
A great product indeed! Working nicely. This is really a heads up for anyone having issues with switching modes on the Challenger 2. Luckily SanWu has excellent Customer service. Thanks Francis! Li ion...
View ArticleDesired Specification for a new Driver?
Hi all - I started drafting a specification for a new driver last night but I came to the realisation that since I'm extremely new to Lasers and the LPF - I have absolutely no idea what people would...
View ArticleHow many beams from a 1000 line/mm grating? FREE gratings to the first 6...
It has been insisted to me by one person in particular that a 1000 line/mm grating will produce 6 beams. The math says a 1000 line/mm grating will produce 3 beams above 500nm, and 5 beams below 500nm....
View ArticleWhat's new
Who are the sellers of drivers nowadays, after one for a Mitsubishi ML101U29-25 and how far can you push it safely ?
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some "new" pics 9/15/18
These pics were taken the end of July using my LK-PD2 projector (DMX controlled) and various colors of hand helds. I used one glass sphere, two- 1/2 glass spheres, hematite balls and some different...
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MS-SSW-II / NDG7574 Build Review
I recently won an auction on eBay for a new NDG7574 diode and decided to put it into a special host I had been saving for several years. It is the MS-SSW-II host from sinner also known as sinner's...
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Nubm0at
I won a NUBM0AT at auction and tested it with it's GBall intact, I expected it would be a NUBM08 as the new designation is a mimic NUBM0AT as in Ohh Ate Tee.......anyway it comes on the new thin...
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