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I'm pleased to share that today I received one of Lasence's 561nm <5mw presentation pointers, confirming that it is in fact now possible to ship this item to the US. 😁 I first ordered a unit last summer and it was halted by Chinese customs, but Lara of Lasence recently informed me that they...

My theory about why observed color of wavelengths varies- Lasers are unique for our eyes in that they produce a very narrow, constant, frequency band. Both narrow and constant are important. When ambient light conditions change, our perception changes with them. For example, when our eyes are...

Oh man I'm so jealous of the long duty cycle and insanely long range of the beam on those

By all means 589 should get done first, but when the time comes maybe we could even do a similar group buy for 561s from DL or Lasence

Something is telling me you'd like this laser. (jk...really hope you get it)

wow it's an awesome time to be looking to buy on the forum right now

Might want to look a bit harder

Hard to say but this could be an issue of things shifting around inside the laser and therefore the tailcap not making contact / completing the circuit when fully attached. Have you tried looking inside the laser? The batteries may also be the culprit, given that the laser was in storage and...

Your batteries should be coming soon. Sanwu ships separately from a local source in your country, since li-ions can’t be shipped overseas

Here is a picture I happen to have of four different wavelength 50mw lasers on trees (red is 637nm) Results may vary with different equipment and settings but I’m generally confident 50mw will show up

If you built a laser already that’s a good sign. What did you build? There are lots of threads about what to do/learn as a beginner, you can use search or look through various threads on the home page. Why did you want single mode in the first place?

For pre-builts I would contact sales at Laserglow and see if they can offer you anything. Or even diodes for that matter. If you go the route of lowering the driving current of a higher power diode, you should at least invest in safety goggles and refer to guides like this or this. Otherwise I...

If the forest is really dark and you can keep your setup and camera still, you could workaround the lack of laser power by taking a long exposure photo to make the light appear brighter. Don't worry about the fire, but it is smart to protect viewers' eyes

Do you need a diode or could you use a pre built laser pointer for your application?

https://laserpointerforums.com/threads/list-of-laser-diodes-06-02-2021.100402/

You don't need to post twice :) Check out the Sanwu pocket series 488nm or 492nm cyan lasers. Or you can go for this mass produced waterproof model that I've seen floating around (no pun intended): https://www.ebay.com/p/5021713007 Here's a review of a similar product with power output and...

Should I post a review of my JL PL-E Pro and Mini even though I've had them since mid-late 2021? 🤔

I came really close to receiving a 561nm pointer from them but it got stopped at customs for containing a built in lithium battery lol. Should have purchased the module instead in hindsight

I made two orders from them in 2021 and everything was outstanding. If you are concerned about anything reach out to their email and you should hear from Gray, he is really nice and helpful