Happened across the fact that OSRAM recently listed a monochrome green CSLNM1. F1 on their site. I expect that monochromatic LEDs are not typically desired but it should be noted it maxes out at 560 lumens, 160 lumens over the CSLNM1.tg.
Anybody want to buy in on the 1000 min order? I’m in for 3 or 4…
Osram announced a few months ago that they improved the efficiency of their green leds with 40 (!) %. This may be one of those.
Edit: it is listed at Mouser and RS but both show no stock.
Edit2: looking at the datasheet: it is not a real green led but a phosfor-converted green, far from monochromatic.
Oh, apparently I learned something I didn’t know, I assumed monochrome was simply single color. I What is the difference between monochrome and converted? Effective difference as I somewhat understand the phosphor converted. I expect it is the spike in wavelength in the blue freq…
On a separate note, with it being phosphor converted will a RTL collar work with these?
Thanks for the link.
I could not find what is the wavelength of emitted light in their datasheet!!!
Good point. Their spectral plot shows it peaking just below 525nm and the top of the curve spreading between 525 and 550,but they don’t bin them. In fact the only “bin” they list is “A” and they only associate that against brightness bin 5P
how is the beam in the 2mm^2 version? I see the die is rectangular, I wanted to use it in a C8 host but I don’t know if the beam is going to be right or this led should be used only with aspherical lens
the sofirn c8t driver can be bought from sofirn store on ali. its max 4.5 amp according to them.
Is there a reason this wouldnt work?
its pwm tho so regulated should be better right?
—
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
the sofirn c8t driver can be bought from sofirn store on ali. its max 4.5 amp according to them.
Is there a reason this wouldnt work?
its pwm tho so regulated should be better right?
!{height:400px; width:400px}https://ae01.alicdn.com/kf/HTB1PQpcgtXXWeJjSZFvq6y6lpXau/Sofirn-New-C8A-...LED-Driver-Chip-mode-memory.jpg_640×640.jpg!
this is still a DD driver so no regulation at all, just their main Mosfet sucks so bad it has limit the current a bit, but not with ultra low Vf LEDs
the sofirn c8t driver can be bought from sofirn store on ali. its max 4.5 amp according to them.
Is there a reason this wouldnt work?
its pwm tho so regulated should be better right?
!{height:400px; width:400px}https://ae01.alicdn.com/kf/HTB1PQpcgtXXWeJjSZFvq6y6lpXau/Sofirn-New-C8A-...LED-Driver-Chip-mode-memory.jpg_640×640.jpg!
this is still a DD driver so no regulation at all, just their main Mosfet sucks so bad it has limit the current a bit, but not with ultra low Vf LEDs
Ow oke thanks for the response. I already ordered some 7135s so i guess my soldering skills will be called upon
—
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
Osram on left, stock on right.
In real stock is more warm than on the picture and Osram is less blue.
T:2s ISO 200 F: 4
I didn’t measured throw.
Yesterday was foggy.
From 5m osram has a hole inside the beam.
I guess the correct distance to measure is around 25 m.
From 5m osram has a hole inside the beam.
I guess the correct distance to measure is around 25 m.
You are right!
I measured osram led lights and GT xhp35HI version at 15, 20, 25m
If you have a hole in the beam at 5, 10m in MF04 with osram you are close to good focus. From the image I think it is perfectly dialed in.
Should any thrower have a hole in the beam at short distance ?
I still didn’t succeed dialing my Emisar D1 with Black Flat correctly … only 60kCd
Yes.
The distance in which the hole dissappears depends on the relation of the diameter of the reflector to the size of the LED. The bigger it is, the longer the distance.
I documented my experiences regarding this topic here and did some simulations here and here (in German).
All focused lights should have a hole in their beam at close range. Even small edc type lights will have a donut-hole hotspot in the first couple of inches of their beam. Super throwers will have this hole for many meters.
I wish someone would make a new thread solely about focusing thrower LEDs with steps, tips and best practices. It’s one of those things people talk about but never in detail. When I made a thread about how crappy my spring bypasses were everyone chimed in and I think it was very helpful basic topic (to me) to rehash after so long.
This is around 30cm from the wall with convoy c8 and 7mm gasket from int outdoor.
This is around 1 meter from wall with c8. I didnt sand anything down just aiming at the ceiling unscrew the reflector a bit and tightening it again till best centering is found. At 3.05 amp this led is already insane in a c8.
—
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
I wish someone would make a new thread solely about focusing thrower LEDs with steps, tips and best practices. It’s one of those things people talk about but never in detail. When I made a thread about how crappy my spring bypasses were everyone chimed in and I think it was very helpful basic topic (to me) to rehash after so long.
I wish someone would make a new thread solely about focusing thrower LEDs with steps, tips and best practices. It’s one of those things people talk about but never in detail. When I made a thread about how crappy my spring bypasses were everyone chimed in and I think it was very helpful basic topic (to me) to rehash after so long.
Thanks, exactly what I was hoping for. I replied with a few questions. On paper this seems like a much more practical solution than eyeballing or messing with a lux meter at too close range.
Should any thrower have a hole in the beam at short distance ?
I still didn’t succeed dialing my Emisar D1 with Black Flat correctly … only 60kCd
D1 reflector is not good enough for black or white flat. It is only good for larger leds like XP-L HI. Me also only got around 60kcd with white flat. You can’t focus it better.
Thanks, exactly what I was hoping for. I replied with a few questions. On paper this seems like a much more practical solution than eyeballing or messing with a lux meter at too close range.
You’re welcome.
Yeah this is what I do when I don’t have time to go out in the cold and focus a light for an hour by pointing it at something 500m+ away.
Using a luxmeter to focus a light at a close distance will cause a decrease in throw when used at farther distances.
If only measuring light was as straightforward, accurate and cheap as measuring voltage….
link to djozz tests
Happened across the fact that OSRAM recently listed a monochrome green CSLNM1. F1 on their site. I expect that monochromatic LEDs are not typically desired but it should be noted it maxes out at 560 lumens, 160 lumens over the CSLNM1.tg.
Anybody want to buy in on the 1000 min order? I’m in for 3 or 4…
Link please.
I’ll take 20-30pcs.
Osram announced a few months ago that they improved the efficiency of their green leds with 40 (!) %. This may be one of those.
Edit: it is listed at Mouser and RS but both show no stock.
Edit2: looking at the datasheet: it is not a real green led but a phosfor-converted green, far from monochromatic.
link to djozz tests
https://www.osram.com/os/ecat/OSRAM%20OSTAR%C2%AE%20Projection%20Compact...
Oh, apparently I learned something I didn’t know, I assumed monochrome was simply single color. I What is the difference between monochrome and converted? Effective difference as I somewhat understand the phosphor converted. I expect it is the spike in wavelength in the blue freq…
On a separate note, with it being phosphor converted will a RTL collar work with these?
Thanks for the link.
I could not find what is the wavelength of emitted light in their datasheet!!!
Good point. Their spectral plot shows it peaking just below 525nm and the top of the curve spreading between 525 and 550,but they don’t bin them. In fact the only “bin” they list is “A” and they only associate that against brightness bin 5P
how is the beam in the 2mm^2 version? I see the die is rectangular, I wanted to use it in a C8 host but I don’t know if the beam is going to be right or this led should be used only with aspherical lens
You will not notice anything different in the beam when the 2mm2 Flat White is used in a reflector light.
link to djozz tests
the sofirn c8t driver can be bought from sofirn store on ali. its max 4.5 amp according to them.
Is there a reason this wouldnt work?
its pwm tho so regulated should be better right?
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
this is still a DD driver so no regulation at all, just their main Mosfet sucks so bad it has limit the current a bit, but not with ultra low Vf LEDs
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Ow oke thanks for the response. I already ordered some 7135s so i guess my soldering skills will be called upon
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
MF04 on Osram 2mm² vs stock
NICE!
Which is which please?
Osram has cooler tint and tighter/sharper beam, not as fuzzy.
The OPTOFIRE - 4.63Mcd aspheric LED flashlight The SYNIOSBEAM - 10Mcd recoil LED flashlight List of the farthest throwing flashlights
Thank you Enderman.
Edit.
What about data-throw?
Osram on left, stock on right.
In real stock is more warm than on the picture and Osram is less blue.
T:2s ISO 200 F: 4
I didn’t measured throw.
Yesterday was foggy.
From 5m osram has a hole inside the beam.
I guess the correct distance to measure is around 25 m.
You are right!
I measured osram led lights and GT xhp35HI version at 15, 20, 25m
If you have a hole in the beam at 5, 10m in MF04 with osram you are close to good focus. From the image I think it is perfectly dialed in.
Reviews: Olight Seeker2 pro, Lumintop GlowI, Sofirn SP36, Convoy 4X18A, Convoy M21C, Brinyte SR8 Rescue Angel, Astrolux MF01 mini, Astrolux FT03S, YLP Sherp S15, Sofirn SP40, YLP Panda 3R and Unicorn, Armytek Prime C1 Pro, Acebeam M50, Imalent MS18, Convoy M3, Nitecore TIP2, Imalent RT70, Wuben T70, Sofirn SP32A, Thorfire VG15S, Thorfire VG10S, Thorfire TG06S
Mods: Imalent MS18 dedoming, Astrolux MF01-20K, Small sun T08 MT-G2, Eagle eye X6 triple XPL, Ultrafire F13 MT-G2, Convoy C8 XHP70, Solarstorm T3 triple XP-L HI
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Should any thrower have a hole in the beam at short distance ?
I still didn’t succeed dialing my Emisar D1 with Black Flat correctly … only 60kCd
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Actually yes, the beam needs some distance to fully form. But depending on the light this can be only a couple of centimeters.
Yes.
The distance in which the hole dissappears depends on the relation of the diameter of the reflector to the size of the LED. The bigger it is, the longer the distance.
I documented my experiences regarding this topic here and did some simulations here and here (in German).
Project Excalibur - Next Generation LED Thrower (UPDATE 2018-01-15: 1.7Mcd)
Portable Thrower Comparison
All focused lights should have a hole in their beam at close range. Even small edc type lights will have a donut-hole hotspot in the first couple of inches of their beam. Super throwers will have this hole for many meters.
I wish someone would make a new thread solely about focusing thrower LEDs with steps, tips and best practices. It’s one of those things people talk about but never in detail. When I made a thread about how crappy my spring bypasses were everyone chimed in and I think it was very helpful basic topic (to me) to rehash after so long.
This is around 30cm from the wall with convoy c8 and 7mm gasket from int outdoor.
This is around 1 meter from wall with c8. I didnt sand anything down just aiming at the ceiling unscrew the reflector a bit and tightening it again till best centering is found. At 3.05 amp this led is already insane in a c8.
"It wouldn’t be so bright if there wasn’t a shadow every once in a while." - Jason Mraz
This applies to all LEDs, not just throwers.
http://budgetlightforum.com/node/55428
The OPTOFIRE - 4.63Mcd aspheric LED flashlight The SYNIOSBEAM - 10Mcd recoil LED flashlight List of the farthest throwing flashlights
Thanks, exactly what I was hoping for. I replied with a few questions. On paper this seems like a much more practical solution than eyeballing or messing with a lux meter at too close range.
D1 reflector is not good enough for black or white flat. It is only good for larger leds like XP-L HI. Me also only got around 60kcd with white flat. You can’t focus it better.
Reviews: Olight Seeker2 pro, Lumintop GlowI, Sofirn SP36, Convoy 4X18A, Convoy M21C, Brinyte SR8 Rescue Angel, Astrolux MF01 mini, Astrolux FT03S, YLP Sherp S15, Sofirn SP40, YLP Panda 3R and Unicorn, Armytek Prime C1 Pro, Acebeam M50, Imalent MS18, Convoy M3, Nitecore TIP2, Imalent RT70, Wuben T70, Sofirn SP32A, Thorfire VG15S, Thorfire VG10S, Thorfire TG06S
Mods: Imalent MS18 dedoming, Astrolux MF01-20K, Small sun T08 MT-G2, Eagle eye X6 triple XPL, Ultrafire F13 MT-G2, Convoy C8 XHP70, Solarstorm T3 triple XP-L HI
Big flashlight measurement and beamshot collection
3D printing stuff for flashlights
My flashlight related Instagram
My Flashlight related Youtube channel called Zozzlights
You’re welcome.
Yeah this is what I do when I don’t have time to go out in the cold and focus a light for an hour by pointing it at something 500m+ away.
Using a luxmeter to focus a light at a close distance will cause a decrease in throw when used at farther distances.
The OPTOFIRE - 4.63Mcd aspheric LED flashlight The SYNIOSBEAM - 10Mcd recoil LED flashlight List of the farthest throwing flashlights
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