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Thread: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

  1. #31

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Marcturus View Post
    Sorry to learn that your purchase became a somewhat expensive tech investigation. There are cheaper ways of obtaining reflectors or optics with a low-beam characteristic to experiment with.

    I won't ask what your companion's qualification was (except having a more powerful and brighter-looking beam with him.) But I guess there is a reason why TDI-Overpacker uses two lamps, and if we add attempting to lessen beam unevenness, that's two valid reasons.

    You are right about the cameras, btw I happened to mention the YT video as appearing "somewhat bright" without going into detail in September. If one is not familiar with the beams that Overpacker's previous lamps produced in reality, it is harder to tell what exactly looks wrong. That's why I prefer isocandela plots and isolux projections, even if Specialized is not listening and "double bogus beam" Fenix is getting away without them as long as their numbers appear trustworthy.
    I was fully prepared to write the cost of the light off to experience when I bought it so no problem there. I could always sell it on as well and recoup a substantial proportion of the cost but I will probably continue to use it especially on slower rides because I do like the low-beam and the compact integrated design with the cells in the light. I wondered when I bought it if it might be possible to get the reflector out at all but the light is a sealed unit so that is not possible. Maybe if I ever break the light accidentally I'll just crack it open and release the reflector!

    Just out of interest do you have any references for the low-beam reflectors you mention? I live in the UK and suppliers of that sort of part are virtually non-existant and the ones that are available are industrial quality and hideously expensive.

  2. #32

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Derek Dean View Post
    bogster...... very well explained, thank you. Gee, with your do-it-yourself ability, I'd think you might want to open up the IXON IQ Premium and see about sticking in an XM-L and better driver. The more spread out light of the XM-L might blend some of the objectionable artifacts, while doubling or tripling the output. It might be worth a look.

    In any case, I'd be VERY interested in following your quest for a better bike light, as you sound like you know what your looking for. Good luck.
    As I replied to Marcturus, the B&M light is a sealed unit so it's not possible to get the reflector out without destroying the case. The "nutty professor" in me would love to do that though just to see if it would be possible to build a similar light with maybe 3 times the output but in an aluminium case to handle the heat dissipation. At present I am investigating trying to get a suitable reflector at a reasonable price rather than crack open the B&M. If I could pick up a second-hand one on eBay for a reasonable price though...

    If I ever do manage to crack the problem then I would be more than happy to share any design I come up with with the cycling community at large. I'm not really interested in producing lights for sale - I do build them for family and friends (for fun!) but I'm but I'm not really prepared to get into all the health and safety aspects involved in producing lights for sale. Besides that, bespoke building of something like this in terms of time and effort would be horrendously expensive and just wouldn't be feasible I think for the buyer.

    At present I am working on a single XM-L light using a fresnel lens and my third prototype gives a fantastic light pattern with very little spill so less dazzling than the equivalent Chinese SolarStorm light for instance. It's showing definite promise and I think I might try building the next one with a remote handlebar switch so that the beam can be dipped to prevent dazzling oncoming drivers which is another way of tackling the same problem that the B&M light addresses.

  3. #33
    Flashaholic Marcturus's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by bogster View Post
    Just out of interest do you have any references for the low-beam reflectors you mention? I live in the UK and suppliers of that sort of part are virtually non-existant and the ones that are available are industrial quality and hideously expensive.
    Ouch, rainy region, kewl white LED, and the IQP is so careful not to throw a big, bright puddle of light nearby (where most flashlight optics throw one) that a wet street can appear quite dark right in front of you.

    As you can fill in any (real or perceived) nearfield dark patches with oval-beam optics to your liking, I was not thinking of expensive automotive parts though these become interesting as some are moving into single-digit watts, but simply of cheaper lamps to destroy:

    Apart from China-made Lidl and Aldi LED sets, things like the Herrmans H-Diver (if you have no use for the driver, donate it to a dynamo-equipped tinkerer intending to use it inside a Philips SR-80,)
    or their new H-Flow,
    http://www.internet-bikes.com/index.php?p=981&id=75938
    (same place you can get the Hella optic from that I mentioned at the end of the "let's design a road beam" thread, but I'd only use a disposable email address for shopping there)

    used reflectors that people sell with their "outdated" LED lamps like this one,
    http://www.ebay.co.uk/itm/B-amp-M-Lu...-/331319944438

    a cheapo optic like the Axa Pico's or the bm Lyt's (weak, narrow, chromatic aberration, but has a primary optic and a front lens to play with,)
    http://www.velomobilforum.de/forum/i...tec-lyt.35992/

  4. #34

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Thanks for that Marcturus. Several options to explore and to think about.

  5. #35

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    (post deleted, sorry, didn't notice there's the 2nd page.. this is how "bright" I sometimes am.. )
    Last edited by abvgdee; 12-01-2014 at 11:54 AM.

  6. #36
    Flashaholic Marcturus's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    . . . . . .
    Last edited by Marcturus; 12-01-2014 at 08:57 AM.

  7. #37

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Do you think this model could be mounted as auxiliary low beams on a car and would the down the road intensity be better than your typical halogen low beams?

    PS. From the photos, it looks like the light intensity distribution from foreground to distant is what every low beam headlight should aspire to (that is not too much foreground light as found in too many headlights that give customers what they want instead of what they need.)

  8. #38
    Retired Administrator Norm's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by briank101 View Post
    Do you think this model could be mounted as auxiliary low beams on a car
    Your question would be better answered here : Forum: Automotive, Motorcycles Included.

  9. #39
    Flashaholic Marcturus's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by briank101 View Post
    Do you think this model could be mounted as auxiliary low beams on a car and would the down the road intensity be better than your typical halogen low beams?

    PS. From the photos, it looks like the light intensity distribution from foreground to distant is what every low beam headlight should aspire to (that is not too much foreground light as found in too many headlights that give customers what they want instead of what they need.)
    Legal or not, electrically adapted or not, the answer is simple: Don't, this lamp was not built to handle automotive use -- even though the LED itself was. Though you might like the photo, there are artefacts and the maximum intensity is about 8 kcd which is "a fraction" of a good car's halogen low beam.

  10. #40
    Flashaholic* Derek Dean's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Yep, what Marcturus said... +1 ...... it's simply not bright enough for automotive use. Heck, it's barely bright enough for bicycle use . Seriously, many folks just feel it's not bright enough.

    However, I still LOVE this light, it's just perfect for my limited bike path needs ,and continues to work flawlessly night after night. In fact, I giggle every time I turn it on because the beam is so nice....... and yes, I'm easily amused .

  11. #41
    Moderator Alaric Darconville's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by briank101 View Post
    would the down the road intensity be better than your typical [automotive] halogen low beams?
    No.

  12. #42
    Flashaholic* Derek Dean's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Howdy,
    Well, I've been using the Ixon IQ Premium for my daily commute home from work for well over a year, and thought I'd report back on how it's going.

    I must say, I still giggle EVERY single time I turn on the light and start riding home, because I absolutely LOVE this little light. It's just been SO perfect for my needs, and it's such a good feeling when I spend a lot of time researching a purchase, and then make leap of faith on a product like this, and then it turns out to be everything I had hoped for.

    First and foremost, the beam profile is fantastic, FOR ME. It's WIDE. I love not feeling like I'm in a tunnel. And because it's reasonably even front to back, my eyes can focus down at the end of the beam and really see what's coming 60 feet away. And of course I enjoy knowing I'm not blinding oncoming bikers or pedestrians, even if some of the bikers are not so nice and use their blindingly bright lights coming at me. Luckily they are in the minority.

    It's plenty bright. I've not once felt like I needed any more light to see where I'm going. It may not be bright enough for some folks, but for me it's perfect.

    I usually recharge it once a week, and I've never had a lick of trouble with any part of it. Now, I don't ride in the rain, but there have been quite a few times when it was misting heavily, and there was no issue with the light in those conditions. I did end up taping over the recharge port, because I charge the batteries outside the light.

    The one thing I was concerned about was the plastic latch on the battery compartment, but with careful handling I've had no issues with that either.

    So, I give this little jewel a 100% thumbs up .

  13. #43
    Flashaholic* Steve K's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    nice to hear that it has been performing so well! Is this the last AA powered bike light with good optics? The Philips Saferide got good reviews, and then went out of production.

    Looking at Peter White's page for the Ixon IQ, the price seems to be in the same ballpark as the Saferide (give or take).
    Any idea how the light does when close to wireless bike computers? I've got a buddy who has trouble with his Saferide interfering with his computer.

  14. #44
    Flashaholic* Derek Dean's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Hey Steve, no I don't have any of those types of electronic gadgets to test it with, and just to be clear about one point....... I LOVE the beam on this light, seriously, it's absolutely perfect for the way I ride and what I need. HOWEVER, there seem to be quite a few folks who really dislike it, for a variety of reasons, mainly that it's not bright enough, but some also find it's not evenly illuminated.

    It just goes to show that we all have different needs and ideas of perfection.

  15. #45
    Flashaholic* Steve K's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    I was kinda wondering about the brightness.... I think Peter's site said something about 80 lumens or a run time that was longer than 5 hours or something... I should go look...

    I've done a conversion on an old Cateye micro II headlight that is powered by 4 AA's. Since AA's are nominally 2 amp-hours, and I run the LED at 1 amp, then it'll run for 2 hours. This should produce a bit under 300 lumens, which is a nice number. I use a fairly narrow optic, which isn't as well controlled as what B&M makes, but is pretty good. For the B&M to get a 5 hour run time, it would have to be running at about half the power of my light, producing roughly half the light. I would understand if some folks didn't think it was bright enough.

    The bigger factor is the ambient light, in my opinion. My lights always seem much brighter after the sky is totally dark. If there are a lot of nearby lights, they will ruin your night vision and make the headlight seem less effective. I ride through a neighborhood where everyone has bright yard lights. These don't light up the road, but they do mess up my night vision. I really don't like that neighborhood!

    A second factor is just the color of the road. I ride on some roads that are chipseal with few rocks, so it is almost completely black. Other roads have lots of white rock. I can see the road with the white rock much, much better than the road with no rock! If you have a snow covered rural road and a full moon, it's amazing how little you need your headlight!

  16. #46
    Flashaholic Marcturus's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    ATTN: San Francisco Bike Expo, today!
    Compare your IQ Premium, Big Bang, or any other lamp to a B*rry B*eam! Not sure about earplugs, but no need to sign NDAs!

    As a moderator chose to shut down the topical thread, I post this where those interested in beam functionality are likely to read...

    "For those of you in the SF Bay Area, B*rry Be*ms will be at the SF Bike Expo, at the Cow Palace, Saturday 11/21, 11:00AM til 5:00PM.
    Please do come and check out the beams first hand. Bring other lights you want to compare it to.
    [commercial part about show special removed]"


    Looking forward to your wall shots, ceiling shots, anything meaningful.

  17. #47
    Flashaholic* Steve K's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    I noticed that Mr B. was promoting his light on rec.bicycles.tech. I hope someone can get out there and check out his stuff. It would be nice to hear what sort of beam his optics really produce. Any chance that the show is at night so some road testing can happen?? A side by side comparison with the B&M Ixon IQ would be especially helpful, since it has a proper bike light beam (and is the subject of the thread).

  18. #48
    Flashaholic* Derek Dean's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Just a quick follow up to this thread. I've continued using the IQ Premium for my nightly commute home from work for the past 2 and a half years, and it's continued to work flawlessly, even through some very wet commutes. Not exactly downpours, mind you, but drizzly and wet none the less.

    I know this light isn't for everybody, as it's brightness is quite limited, but I still love the beam pattern and find it to be plenty bright for my use on a sometimes poorly lit bike path.

  19. #49

    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Derek Dean View Post
    Just a quick follow up to this thread. I've continued using the IQ Premium for my nightly commute home from work for the past 2 and a half years, and it's continued to work flawlessly, even through some very wet commutes. Not exactly downpours, mind you, but drizzly and wet none the less.

    I know this light isn't for everybody, as it's brightness is quite limited, but I still love the beam pattern and find it to be plenty bright for my use on a sometimes poorly lit bike path.
    Thanks very much for you long term review and comments. I'm seriously considering getting this light for conditions similar to yours. Your information, particularly about longevity and reliability is really helpful, even though the piccies do not show for me.

  20. #50
    Flashaholic angerdan's Avatar
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    Lightbulb Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by I_saw the light View Post
    I'm seriously considering getting this light for conditions similar to yours.
    Your information, particularly about longevity and reliability is really helpful, even though the piccies do not show for me.
    Depending on what you have and miss now, want and need in the future and how's your budget, there might be even better solutions than one B&M Ixon IQ Premium.

    When you use Firefox with this Add-On, you'll see all pictures:
    addons.mozilla.org/de/firefox/addon/photobucket-fix/?src=api

  21. #51
    Flashaholic* Derek Dean's Avatar
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    Default Re: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by angerdan View Post
    Depending on what you have and miss now, want and need in the future and how's your budget, there might be even better solutions than one B&M Ixon IQ Premium.

    When you use Firefox with this Add-On, you'll see all pictures:
    addons.mozilla.org/de/firefox/addon/photobucket-fix/?src=api
    I'm curious what you would suggest as a better option than the IQ Premium?

    I just LOVE how wide the beam is on this light, and with a very even quality..... not perfect, but pretty darn even throughout, with just a hint of extra brightness about 40 feet out, right at the end of the beam, right where I want my eye to go, not brighter close up, like so many other lights.

    Personally, I'd love to see something that's built a bit more robustly, and with at least one brighter level (that uses lithium-ion 18650 rechargeable batteries)...... but only if they could keep, what for me, is that nearly perfect beam quality.

    You can definitely feel how fragile the light is, being mostly plastic, but I've been very careful with mine, keeping it in a soft camera lens case when not in use, and I'm always cautious when taking the batteries out to charge, as that plastic latch is probably the weak point on the light, but overall, considering how often I use it, it still looks and performs like new.

    By the way, not sure if I mentioned it earlier, but the one thing I did do was to put tape over the charging port of the light, to help keep moisture out, which made sense considering that I take the batteries out to charge them.

    Oh, and thanks for posting that link to the Firefox plug-in so that folks can see the photos : )

  22. #52
    Flashaholic angerdan's Avatar
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    Lightbulb Re: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Derek Dean View Post
    I'm curious what you would suggest as a better option than the IQ Premium?
    Personally, I'd love to see something that's built a bit more robustly, and with at least one brighter level (that uses lithium-ion 18650 rechargeable batteries)...... but only if they could keep, what for me, is that nearly perfect beam quality.
    On my old bike i extended to 3x Ixon IQ + one Philips SafeRide 80lx. But carrying and recharging 16x AA cells was to much effort, so on the new bike i downgraded to just 2x Ixon IQ.
    Next step is already prepared, will switch completely to the Supernova M99 Pure.

    For riders without bike integrated battery system the new B&M Ixon Space or IQ-X Speed would be THE move from 80lx to 150lx.
    Also the brand new Trelock LS 760 with just 100lx is interesting.
    sloger.sk/katalogy/TRELOCK_Katalog-2018.pdf#page=6
    facebook.com/trelockgmbh/photos/pcb.329907320793445/329906944126816/

    Other option with integrated battery would be the Specialized Flux Expert. It is possible to replace the battery, but only with tools.
    After that, only lights with external batteries (Lupine SL, Outbound Lighting Focal Series) or without cutoff-beam (Nextorch B10 with 4x AA) can replace the Ixon IQ Premium.

  23. #53
    Flashaholic* Derek Dean's Avatar
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    Default Re: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Thanks, angerdan. I see that European bike lighting technology has advanced quite a bit since I last looked around. Wow, that M99 Pure looks amazing, in fact, all those lights look amazing, practically like car headlights.

    I'm now strongly considering the Ixon Space. Of course it's almost 3x more expensive than the IQ Premium, but it does have a wonderful looking beam. My main issue is that it doesn't appear to have a replaceable lithium-ion battery...so once the battery dies you either have to go in and mess with the insides, or ship it back and let them do it. I understand why manufactures prefer this, but I'm not a fan.

    In any case, thank you for bringing those to my attention. It's nice to see that bike lights are finally getting the attention they deserve : )

  24. #54
    Flashaholic* znomit's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Steve K View Post
    I noticed that Mr B. was promoting his light on rec.bicycles.tech. I hope someone can get out there and check out his stuff. It would be nice to hear what sort of beam his optics really produce. Any chance that the show is at night so some road testing can happen?? A side by side comparison with the B&M Ixon IQ would be especially helpful, since it has a proper bike light beam (and is the subject of the thread).
    There's a nice thread over yonder...
    http://forums.mtbr.com/showthread.ph...01681#poststop

  25. #55
    Flashaholic* Derek Dean's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by znomit View Post
    There's a nice thread over yonder...
    http://forums.mtbr.com/showthread.ph...01681#poststop
    Wow, did you read that thread? I did. Quite informative....... and sad : (

  26. #56
    Flashaholic angerdan's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by Steve K View Post
    I noticed that Mr B. was promoting his light on rec.bicycles.tech. I hope someone can get out there and check out his stuff. It would be nice to hear what sort of beam his optics really produce. Any chance that the show is at night so some road testing can happen?? A side by side comparison with the B&M Ixon IQ would be especially helpful, since it has a proper bike light beam (and is the subject of the thread).
    Beam quality (cutoff, shape) of the B&M Ixon IQ Premium would be better for road/street/city use, but quantity (lux&lumens) not.
    But lux and lumens from the previous named alternatives are good enough.

  27. #57
    Flashaholic* Steve K's Avatar
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    Default Re: REVIEW: Busch & Muller Ixon IQ Premium - Warning Photo Heavy

    Quote Originally Posted by znomit View Post
    There's a nice thread over yonder...
    http://forums.mtbr.com/showthread.ph...01681#poststop
    Very interesting... and a shame. Barry had a chance to provide good customer support and for some reason, couldn't do it.

    The optics seem to be performing well, though. Any thoughts or observations on how they differ from other lights on the markets?

    Overall, I find myself empathizing with Barry's desire to create a light and do everything himself. However, it seems unrealistic to expect one person to excel in all of the disciplines that are part of designing, producing, selling, and supporting a product.

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