In the right angled form factor, I own a Nitecore HC30, Skilhunt H15, Xtar H1, H2 and a Fenix HL10-2016. I also own a Maratac TPF in AAA, but it’s not really a headlamp nor does it come with a headstrap.
Dedicated headlamps, I own an older Ray-o-vac 1xAA 1W Luxeon w/ blue and red LEDs and a flipable diffuser, a Petzl Zipka (3xAAA, White/Red LED, retractable headband), Nitecore NU30 and NU20.
Of the right angled lights the H15 is best for in-close work because of it’s TIR lens. My knock on the H15 is that I bought it because I was hoping that the 1xAA/14500 form factor would be smaller/lighter than an 18650 light, but that turns out to be not true. Didn’t make sense to give up battery life/lumen output and NOT lose any weight in the process, so it’s now in my car sans battery. At least it runs on easy to find AA. I’ve considered for some time the Skilhunt H03F which has a flip away TIR diffuser, giving the option of flood or spot, but I have concerns about the strength of the diffuser. Seems an easy piece to break. I’ve owned the Nitecore HC30 the longest and it’s my favorite. It has a very throwy beam pattern, which can come in handy, but for the most part, I need something more floody, so I’ve inserted a piece of diffuser film between the bezel and lens. When not in use, I store it in the battery compartment. Do that with the H1 and H2 as well. The Fenix is super light, very compact and quite convenient to carry around in a pocket, etc… It has a rotating lens which they say gives you the option of spot or flood, but honestly in that size of light, you’re not going to really get much of a spot, so the options are “slightly not as floody” to floody. If I’m honest, I do like it but it’s really not going to throw light out any serious distance. I hear some use it for running. I think it’s light enough to pull that off.
Regarding the Xtars, the issue there is, they are no longer available. I happen to have one of each NIB, but that’s another discussion. Also, some don’t like the fact that you have a long press to turn them off. Beams tend to be more throwy. Of the two, I would say that I prefer the H2 because it is smaller and lighter.
The Ray-o-vac and Petzl are past their prime, but they are interesting designs. As for the NU series, well, each has it’s pros and cons. The NU20 has replaced the Fenix HL10-2016 as my EDC headlamp. The reason is it’s darn small, very light, rechargeable, brighter, has longer run time and I like the battery check feature. The beam has a bright hotspot, but also nice usable spill. I also like the thick, comfortable headstrap. The Fenix strap is less than half the width. I wouldn’t call it uncomfortable, but the Nitecore is more comfortable IMO. I think the NU20 would also make a nice running light as it is very light weight. As for the NU30, I think it’s more of a campers/walkers/allarounders light. It has more throw than the NU20 and is brighter, also comes with red LEDs AND a pair of High CRI LEDs that provide very nice flood and great color rendition for upclose work.
I’m also waiting for Manker to release their big brother to the E02 1xAAA right angled light (of which I’ve ordered one with Nichia and one with Cree, well just because). Manker has shown the ability to produce quality, bright lights in small form factors. Looking forward to see what they can do with this new one.
Oh, I was looking at the CooYoo Fermion/MecArmy FM11 keychain/right angled headlights, but even on flash sale they seems a bit too expensive to justify, considering their short run times and limited light output. Still, wow factor would have been fun. except I’d only be wowing myself.