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Optics
Discuss optics accessories for laser pointers.
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Sticky
OPT Lasers Cylindric lenses - NUBM44 beam correction tests
Milos
Feb 20, 2016
17
18
19
Replies
299
Views
55K
Jun 9, 2018
Alaskan
Sticky
Power Comparisons/Different Lenses/Red & Blu-ray!
jayrob
Apr 16, 2009
Replies
11
Views
21K
Mar 20, 2015
kingphoto
K
DTR G8 lens
RedCowboy
Mar 2, 2019
8
9
10
Replies
158
Views
27K
Thursday at 12:15 PM
Wakrah
Gball lens remove
toutan
Sep 24, 2018
Replies
14
Views
2K
Tuesday at 8:35 AM
RedCowboy
R
How to achieve 0.01mm laser spot size?
rajhlinux
Dec 28, 2020
2
3
Replies
32
Views
931
Dec 29, 2020
rajhlinux
R
R
405nm Laser Polygon Mirror Scanning
rajhlinux
Dec 26, 2020
2
Replies
23
Views
563
Dec 28, 2020
Unown (WILD)
U
M
Which type of back end mirror for diode pumped Nd:YAG laser?
Mich_K
Sep 14, 2020
Replies
13
Views
806
Dec 21, 2020
whiterod14
D
How can I clean laser glasses?
dunkelheit_phoenix_2008
Dec 13, 2020
Replies
0
Views
188
Dec 13, 2020
dunkelheit_phoenix_2008
D
my new homemade beam expander
Ainus
Nov 30, 2020
Replies
6
Views
644
Dec 1, 2020
steve001
S
B
Sanwu G7 on a Gatling laser
Brainstorm312
Sep 26, 2020
Replies
5
Views
419
Nov 29, 2020
Ainus
L
Straight Line Cap for Laser Pointer
lasercurious
Sep 24, 2020
Replies
10
Views
1K
Oct 13, 2020
Alaskan
Techhood c-lens pair for multi mode greens.
RedCowboy
Sep 20, 2020
Replies
8
Views
418
Sep 21, 2020
RedCowboy
PBS cube testing
RedCowboy
Sep 20, 2020
Replies
0
Views
194
Sep 20, 2020
RedCowboy
G8 Solutions
snakeyes
Sep 4, 2020
2
3
Replies
32
Views
1K
Sep 6, 2020
RedCowboy
Batteries
Justbooog
Sep 4, 2020
Replies
3
Views
219
Sep 4, 2020
Justbooog
H
Collimation help
HazenAL
Sep 3, 2020
Replies
2
Views
310
Sep 4, 2020
Cyparagon
Optics site with lots to investigate.
RedCowboy
Aug 30, 2020
Replies
0
Views
257
Aug 30, 2020
RedCowboy
P
2500 mw Laser Engraver - G2 Focal distance
pedwards2932
Mar 26, 2018
2
Replies
17
Views
5K
Aug 25, 2020
pedwards2932
P
J
(deleted)
Johnny147
Aug 6, 2020
Replies
0
Views
455
Aug 6, 2020
Johnny147
J
P
Has anyone tried this housing?
pupper42
Jul 20, 2020
Replies
3
Views
512
Jul 21, 2020
pupper42
P
Reflector question
RedCowboy
Jul 5, 2020
Replies
3
Views
492
Jul 5, 2020
Alaskan
T
My new g8 lens
thedoc8
Jun 30, 2020
Replies
7
Views
1K
Jul 1, 2020
thedoc8
T
M
e
mich
Jun 26, 2020
Replies
1
Views
549
Jun 27, 2020
hakzaw1
T
Help please, need a ~45-90 degrees round laser beam, how should I go about it?
Traz
Jun 13, 2020
Replies
6
Views
587
Jun 13, 2020
Cyparagon
Lego optical table just for fun!
Giannis_TDM
Jun 1, 2020
Replies
0
Views
431
Jun 1, 2020
Giannis_TDM
Sanwu beam expander lens question
Ramsey_innovations
May 20, 2020
Replies
9
Views
952
May 21, 2020
Ramsey_innovations
D
making your own acrylic/plastic lens
donkeywonkey
Apr 17, 2020
Replies
5
Views
1K
May 12, 2020
steve001
S
M
Circular Laser in a wall
machinevision
Dec 7, 2017
Replies
15
Views
3K
Apr 9, 2020
vlavla
V
Lens for NUBM31T
Shiiru
Mar 28, 2020
Replies
3
Views
694
Apr 9, 2020
Shiiru
Horizontal Polarization Using LCD Screen Sheets
frogmaster
Apr 2, 2020
Replies
3
Views
539
Apr 4, 2020
Cyparagon
L
Expansion ratio of ebay cylindrical lens set
Light superglue
Feb 23, 2020
2
Replies
17
Views
1K
Mar 28, 2020
CDBEAM777
L
Optic damage threshold? 445nm
likevvii
Mar 17, 2020
Replies
8
Views
1K
Mar 20, 2020
likevvii
L
J
Collimation - Down the rabbit hole
Junkers
Jan 13, 2020
2
Replies
29
Views
2K
Mar 9, 2020
lazeristasUVISIR
L
D
Need help on laser selection.
DennisDDM
Feb 1, 2020
Replies
3
Views
638
Feb 1, 2020
Cyparagon
What Is M9x0.5mm?
Snecho
Jan 11, 2020
Replies
15
Views
999
Jan 13, 2020
GSS
G
Optics stores?
Dsmith
Jan 6, 2020
Replies
5
Views
812
Jan 8, 2020
paul1598419
How good are these optics?
nzoomed
Dec 7, 2019
2
Replies
19
Views
2K
Jan 5, 2020
paul1598419
L
Keplerian BE to improve focus of NUBM/NUGM diodes after G-ball (stock lens)
Light superglue
Dec 7, 2019
Replies
1
Views
438
Dec 7, 2019
Alaskan
J
XIRI fiber patch cables?
Junkers
Jun 2, 2019
Replies
6
Views
949
Dec 6, 2019
Junkers
J
Advice On Cleaning Cheap 532nm Optics
Snecho
Nov 27, 2019
2
Replies
21
Views
1K
Dec 1, 2019
Snecho
Interesting web page discussing the optics of the eye and wavelength
Alaskan
Nov 18, 2019
Replies
12
Views
878
Nov 28, 2019
kecked
N
Focus help! (ofc XD)
Norwayboi
Nov 6, 2019
2
Replies
30
Views
3K
Nov 13, 2019
Cyparagon
S
Micro optics for diode array collimation video
steve001
Nov 10, 2019
Replies
0
Views
488
Nov 10, 2019
steve001
S
Stick Lens or ?
Alaskan
Nov 4, 2019
Replies
7
Views
550
Nov 5, 2019
Alaskan
Video Projector Zoom/Focus Assembly as Beam Expander
aaronnoraa
Jun 3, 2017
2
Replies
26
Views
4K
Oct 31, 2019
aaronnoraa
Optical coating question
barthchris
Oct 13, 2019
Replies
0
Views
397
Oct 13, 2019
barthchris
How to determine the focal length of a random lens? Here's how: EO video.
Alaskan
Oct 3, 2019
Replies
2
Views
726
Oct 9, 2019
steve001
S
L
Front surface mirrors from A-130 projector
Light superglue
Sep 18, 2019
Replies
6
Views
834
Sep 27, 2019
Light superglue
L
Use of beam expanders
ruud
Sep 15, 2019
Replies
2
Views
707
Sep 19, 2019
Cyparagon
Need help selecting a plano-convex cylindrical lens (beam correction)...
LazyBeam
Jul 19, 2019
Replies
13
Views
2K
Jul 27, 2019
LazyBeam
C
Very Strange Beam Distortion?
crashmidget
Jul 24, 2019
Replies
9
Views
861
Jul 25, 2019
crashmidget
C
Making beam expander
Ainus
Jul 14, 2019
Replies
4
Views
890
Jul 15, 2019
RedCowboy
DVD Laser diode
Peter Dodge
Jul 10, 2019
Replies
11
Views
2K
Jul 13, 2019
Encap
E
J
Variable optics - Liquid lenses
Junkers
Jun 26, 2019
Replies
8
Views
854
Jun 27, 2019
Junkers
J
Opt Lasers 6X Cylindrical Testing
CDBEAM777
May 20, 2017
6
7
8
Replies
114
Views
10K
Jun 18, 2019
paul1598419
Laser Diode holder for larger than 6.33mm Coli Lens
CDBEAM777
May 28, 2019
Replies
5
Views
1K
Jun 8, 2019
reloader45
Need help with lens selection
Giannis_TDM
May 10, 2019
Replies
8
Views
1K
May 28, 2019
CDBEAM777
DPSS Nonlinear Crystal Types+ my general optics questions.........
Alaskan
May 20, 2019
Replies
1
Views
848
May 21, 2019
Alaskan
F
Need help with sanwu pocket lens
Fcao
May 6, 2019
Replies
11
Views
1K
May 10, 2019
carulli2
C
why are there so many different laser lenses?
reloader45
Apr 9, 2019
2
Replies
16
Views
2K
Apr 13, 2019
reloader45
I need change my lasers lens
Ainus
Apr 3, 2019
Replies
15
Views
1K
Apr 6, 2019
BowtieGuy
How to clean my laser diode
Ainus
Apr 1, 2019
2
Replies
27
Views
3K
Apr 5, 2019
DTR
Cylinder lens not clean
trinh hong phuoc
Apr 4, 2019
Replies
4
Views
732
Apr 5, 2019
trinh hong phuoc
Red Polarisation rotator/waveplate needed
Dmax
Mar 29, 2019
Replies
5
Views
667
Mar 29, 2019
RedCowboy
C
PCAOM , Polychromatic Acoustic-Optical Modulator
chloderic
Feb 22, 2019
Replies
13
Views
2K
Mar 29, 2019
chloderic
C
D
Difference between lenses?? Gball/G2/G3/G7 etc.
DackJaniels
Mar 2, 2019
2
Replies
18
Views
8K
Mar 29, 2019
RedCowboy
C
What type of artifact is this?
carulli2
Mar 25, 2019
2
Replies
19
Views
2K
Mar 28, 2019
carulli2
C
C
I need a replacement lens for Thor H series pointer.
CodyAllen
Dec 21, 2018
Replies
6
Views
2K
Mar 24, 2019
Donald88776655
D
A
focus Shifter
ashutoshsingh
Mar 4, 2019
Replies
1
Views
565
Mar 7, 2019
Lifetime17
correcting a NDG7475
Dr_Evil
Nov 13, 2016
3
4
5
Replies
73
Views
9K
Mar 3, 2019
CDBEAM777
Cool beam expander.
Glutton
Dec 23, 2010
2
Replies
26
Views
5K
Mar 1, 2019
Immo1282
How do I change the lens on this 1W laser?
EfoDom10
Sep 23, 2018
2
3
Replies
35
Views
6K
Jan 13, 2019
Ainus
Using the Jetlaser's Beam Expander for high divergence diodes (eg 44)
hoo7h
Feb 17, 2018
Replies
15
Views
2K
Jan 5, 2019
hakzaw1
mounting Dichro lens help
Richie89
Dec 8, 2018
Replies
5
Views
1K
Dec 11, 2018
diachi
Anyone recognize this beam expander or it's lens coating ?
RedCowboy
Dec 7, 2018
Replies
15
Views
1K
Dec 9, 2018
RedCowboy
D
Optics of those Chinese laser engraver modules?
dylanetaft
Dec 3, 2018
Replies
4
Views
1K
Dec 3, 2018
diachi
T
What are G2, G3... Lenses
Tuxifix
Dec 1, 2018
Replies
9
Views
4K
Dec 3, 2018
RedCowboy
Cylindrial lens cutting - is it possible?
celas
Nov 14, 2018
Replies
12
Views
2K
Nov 15, 2018
Cyparagon
Digital Microscope
Lifetime17
Nov 4, 2018
2
Replies
16
Views
2K
Nov 9, 2018
paul1598419
W
Numerical aperture problem (lens + optic fiber)
woor90
Nov 2, 2018
Replies
3
Views
642
Nov 4, 2018
Singlemode Laser
S
D
lens to focus "to square"
digitos
Nov 1, 2018
Replies
4
Views
726
Nov 3, 2018
paul1598419
Concave mirror radius
Anthony P
Oct 14, 2018
Replies
10
Views
1K
Oct 22, 2018
paul1598419
L
Need "Reverse" PBS for 20W "laser tank gun" prototype - do they exist?
Light superglue
Jun 25, 2017
2
3
Replies
35
Views
4K
Oct 13, 2018
Pelagius
P
3 Element Glass Lens- (minus spacer)
Shotgundrums
Oct 2, 2018
Replies
0
Views
772
Oct 2, 2018
Shotgundrums
Right Angle Prisms - Review of Cheaper Options
LewDude
Sep 1, 2018
2
Replies
17
Views
2K
Sep 26, 2018
LewDude
XCUBES & XKUBES Prisms , optics, crystal balls and new member
hakzaw1
Sep 4, 2018
2
Replies
25
Views
5K
Sep 20, 2018
paul1598419
P
Is this the tool for changing lenses?
Pelagius
Sep 9, 2018
Replies
10
Views
1K
Sep 10, 2018
Benm
R
Anyone remember the liquid fan diffraction grating at NOVA LASERS ?
rigormortis
Aug 28, 2018
2
Replies
22
Views
3K
Sep 6, 2018
RedCowboy
What is this set of optics used for?
Devil_Master
Sep 1, 2018
Replies
6
Views
847
Sep 1, 2018
hakzaw1
DIY Optical Bench Idea
FRITZ HID
Aug 19, 2017
Replies
12
Views
2K
Aug 30, 2018
paul1598419
Prism Optics
RoBeacon
Aug 28, 2018
Replies
10
Views
1K
Aug 29, 2018
hakzaw1
S
Styropyro new vid. Telescope Blaster.
steve001
Aug 28, 2018
Replies
1
Views
901
Aug 28, 2018
BowtieGuy
Has anyone used any F-Theta lenses ?
RedCowboy
Aug 3, 2018
Replies
8
Views
2K
Aug 4, 2018
paul1598419
Laser diode chip aperture, lens aperture & wavelength relationships to divergence?
Alaskan
Mar 8, 2015
Replies
9
Views
3K
Jun 25, 2018
kp4djt
K
jet lasers beam expander
cheech226
Nov 9, 2013
Replies
9
Views
3K
May 23, 2018
hakzaw1
M
minimum spot size with a 405nm laser diode
migs
Apr 20, 2018
Replies
5
Views
2K
Apr 28, 2018
migs
M
B
where i can buy a front surface mirrors?
boraicho
Oct 29, 2017
Replies
11
Views
1K
Apr 20, 2018
hakzaw1
Seeking Portland member wanting help with Jetlasers BE
hakzaw1
Apr 19, 2018
Replies
4
Views
1K
Apr 20, 2018
hakzaw1
New collimator lens for Blue MM diodes
ArcticDude
Feb 15, 2018
2
3
Replies
33
Views
5K
Apr 9, 2018
RedCowboy
Where to Buy G9 Lens
hoo7h
Mar 8, 2018
2
3
4
Replies
55
Views
5K
Mar 26, 2018
paul1598419
Need help with collimating lenses...
analog56x
Feb 24, 2018
2
Replies
16
Views
3K
Feb 25, 2018
steve001
S
Who are the L P F optic experts?
Alaskan
Dec 4, 2017
2
Replies
18
Views
3K
Feb 24, 2018
RedCowboy
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