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The beam magnification starts from 2x (min) to 8x (max). But the special four lenses system of Linos BE permits to focusing at greater distances without a fat beam near the aperture. I do not know how it works, but the second ring focusing mechanism permit to control also the beam diameter! The...

Yes You are right. The Linos BE has another nice characteristic: his lens system pack all the unneeded wings, reflections and aberrations around the main spot, making a sort of delicate halo not visible because the main spot is very bright and do not permit to see anything around it. The...

Thanks for the nice words, really appreciated! :beer:

Thru a simple custom adapter made by a dear friend of mine and a spare part grabbed from an old LG beam expander, I have adapted the stunning Hercules 600 with the awesome 532nm Linos beam expander. I was not sure if this very expensive Galilean four lenses beam expander could be adapted and...

I have found the grains but they are really too expensive! Thus the postage to Italy costs twice the price of the grains, so it is totally unacceptable to spend 40 dollars for 10 grains! :wtf: I have found better cheap alternative: I used small bullet-shape pieces of silicone used in the...

Hi Lifetime17! I have replaced the grains too with some spare stolen from an old LG beam expander and they are identical to the ones in Your pics. Where did You buy the nylon grains?

Yes You are right, bad forgetfulness, autopenalty -10 REP for me :na:

.. and You are very welcome as usually :thanks:

Ehm .. ehr ... the title was soooo long, I think I have wasted too much LPF bandwidth !! :crackup::crackup: Scary monster, really. Every corner of my bedroom was scorched. Each leaf was burned. Every match was brighted. Every paper foil was cutted. Every water-closet was disinfected. The bells...

Good idea! +REP for You! :beer:

Well, until now my Gods were DTR, Sinner and MrCrouse. But I think that in the Olympus there is the place for another God .. YOU !!! :bowdown::bowdown::bowdown::bowdown:

Hi and thanks for the +REP :na: x Laserbeamk: it is a little bit complicated to do solderings and place cables in the tiny Cypreus host. I use DTR modules pre-wired with driver. The simplest way is to cut the wires from diode to driver at the center of its lenght, then glue the driver and...

Hello everyone! So I decided to cannibalize my "old" 462 nm 1.7W and recovery the awesome host to use with this stunning diode. I never imagine to have a so beautiful color with a so powerful output in a so fantastic host :bowdown: Here is the full story: Assembling the switch: Soldering...

Sorry, pic added. But .. why You haven't used it yet? Ok, now it is a job of mine :na:

Hi. I have just bought this: Linos Zoom Beam Expander Telescope for 532nm Laser 2 8x Expansion Rodenstock | eBay It was a real deal, because new it cost about 1000 dollars! I contacted both the seller and the company that sell this expander, and I learned much things about it! It has 4 lenses...

The big lens is biconvex? Surfing in internet I saw that the perfect focus in one point is reached only with that kind of lens: while the plano-convex cause this: Besides this, I think that a 2 lenses beam expander system may be less effective of a three or more lenses system. I saw a...

Hi Alaskan. Do You think that this item: New Adjustable Extension Tube for 1 25" Telescope Eyepiece T Rings and Scope | eBay ... will be a good extension to found the correct distance between the two lenses?

Ehm LOL .. I mean unbalanced talking about the weight of the head+beam expander Vs the rest of the laser body :D

Very interesting :drool:... I'm a little bit jelaous :na: .. but I think the pointer will be very unbalanced toward the aperture, right? I had many experience with the LG BE, and You are right: it is very important to found the correct input divergence to avoid coating damage, to have the...

I already have this build .. I'm looking for a more professional beam expander!