As the subject implies, I was wondering if anyone could please give me some suggestions for a high CRI penlight or other small light. This will be a gift for a doctor to do physical examinations with and the high CRI aspect is somewhat important. I would prefer a AA or AAA form factor. So far I have been considering the Terralux lightstar 80 penlight or perhaps even modifying an SK68 to a higher CRI LED. To be honest, the latter sounds like quite a bit of work that I am unfamiliar with, so I would prefer a stock option. If anyone has any suggestions I would greatly appreciate your input. Something like a P60 type host would be too big. Thank you! 
Just keep in mind that generally High CRI lights are warm to very warm, few are neutral white. High CRI implies extraordinary good color rendition, but you would not want to see for example orange or yellow teeth which you should see from 3500K to 2500K.
I have been thinking about that, I know a hospital doctor as well, and it must be a nice gift. Examination lights as far as I can see by a quick search have either an incandescant bulb, or a cool white (5mm) led. It is more useful if the beam has an even illumination. So I'd say a penlight with a small aspheric lens and a Nichia 219 would be quite perfect, but probably does not exist (yet).
That Terralux 80 looks nice but the high cri led has probably a very warm colour.
I would not give an led light as a gift for this purpose, it could lead to patient misdiagnosis and you don’t want that on your conscience
I own one,
Terralux Lightstar 80 is a good light, but a bit bulky
it has a warm tint.
It is more suitable and designed for electricians.
If CW is Ok you can purchase Tank007 e06 or e12 instead.
Or maybe Olight penlight (I do not own)
CNQG has s1,s2 stainless steel lights with AAA,
I have one S1, NW tint from group by.
It is very small with clip.
Unless that doctor is using some really crappy $6 light. Then in which case, not giving him a good Hi-cri may lead to patient misdiagnosis. So whichever the OP chooses, he’s screwed : D
the doctor would not know that incandescent has 100 cri while an led does not, he would not have had medical training using an xp-g or xm-l light
this is not the first thread on this topic
And I have not read that other thread so I am unprejudiced on this subject 
No, just kidding, you might be right.
A quick google scan on those lights show numerous medical examiner lights with horrible cool white 5mm leds, so at least some doctors make do with bad colour representation, despite their training. And I am quite sure that even doctors have the attitude to get used to whatever light is at hand.
I use this L3 Illumination L10 Colors Nichia 219 single AA light and can highly recommend it. High CRI and not too warm color. Sounds like what you need.
Those tanks look gorgeous! I got an E09 and E10 - love the E09, hate the E10's switch - always gets hung up, but these switch's look/appear more reliable. The E10's switch is SS, and these are different.
I had documented how to finetune the E10/E11 switch as you know. Now my E10 switch really does not get jammed anymore, so i like the SS switch now very much. Maybe i can find an o-ring to even reduce the wobbliness, which is still there.
The real problem with any such small switches is their higher Ohms resistance, compared to twisty E09/E12. Just a few miliOhms are sufficient and one can see the drop in brightness. I am no stupid lol and i am no dinocr*pping on this board so what i post is true: a E09 head on the E10 body is less bright than on the E12 body.
i am not saying that E10 performance stinks but kinda.
No - don't know. Where? Didn't see it in your review thread (https://budgetlightforum.com/t/-/10290) but could have missed it. Stupid me -- figures it was posted, probably just didn't search enough.
Crap!! Of course, in your usually lengthy, thorough OP!! Thanks k!! Probably got this light before I really got into modding, so the LockTite scared me off. I've only been doing this for little over a year.
Oh no prob with the E09 vs E10 resistance issue -- I believe you 
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Sorry, getting back to topic, that PA02 looks perfect for a doc or dentist, seems to be designed for it, and the rubber boot switch probably fixes the switch issue with the SS E10 switch. TANK007's are generally very good quality - I got a few, gifted several, and love them. I'd go with the 2 cell PA02 for better runtime, and for a doc, probably doesn't take up any more space and using standard AAA's is good for docs.
A nice choice would be the 4Sevens Preon pen light. It has a nice tint and the unit itself is a clean design that would easily fit into a Doctor’s style.
I have an Tank007 e06, nice light, but perhaps not the best tint for this purpose. I also have the group buy CNQ S2 SS light with the neutral white emitter. That might serve the purpose and the sleek SS design is also nice.
4Sevens was supposedly working on making different emitter options in an easy add on. Simply purchasing a new head and screwing it on would give a different light, easy as changing batteries. You might contact 4Sevens and see if they would be willing to put a Nichia 5000K emitter in a Preon pen light, nice white light, decent CRI, that would be ideal.
Ok, I just bugged my wife by looking in her mouth repeatedly. (She’s a CNA so was a willing test subject, in spite of the time of day.) I used the Tank 007 E06, the CNQ S2 custom (which is not available any longer as it was a special group buy, but you might could talk someone out of theirs for the $20 they paid for it), and the 47s Preon. The CNQ is warmer, but has a result that might not be ideal. Flat with less natural pink to the tongue. The E06 and Preon were fairly close, perhaps the Preon would be better suited. The price difference between these two is quite substantial. The Tank 007 E06 is around $14, a knurled black anodized light that has it’s roots in standard flashlight fare. The Preon is a ~$47 sleek pen looking instrument, tapering at the emitter end much as a pen would, mine is anodized blue but there are 4 available colors. I would contact 4Sevens to see if they can make a recommendation and be able to help you for this specialized purpose.
As has been mentioned about making a diagnosis, any light used will have to be assimilated by the good Dr., with some off patient usage (studying color charts for example)giving the Dr. a base for correct color rendition using the light of choice. The brain is capable of reading almost any color light used, as long as the chance has been given to assimilate what that color creates in the field of choice.
Hope some of this is helpful!
Good luck, feel free to holler if you have any further questions.
Um, rubber boot…maybe not. Difficult to clean. Easy to wipe down a stainless steel clicky with alcohol. Rubber? Not so much.
mod done. successfull. see E10 thread.
+1!!!
Individual, pocket-able LEDs may never be able to produce a “white” light.
If you want to see how “the pros” do it, look here:
http://www.quickmedical.com/riester-diagnostics/fortelux-n-diagnostic-penlights.html
…for one.
Also, at least in America, the “drug pushers” (aka “pharmaceutical reps”) bring free goodies like penlights to the Dr.’s offices in crates, to be given out freely to the upper-class staff. Rank-and-file clerical staff get pens, cred-cords and rubber balls…
Incandescent bulbs, driven hard, with short run-times and short life-cycles, are currently the only pocket-portable way to reliably diagnose some of the weird colors in the human body.
Yes, if your Dr. friend was willing to submit to some intense training, he could adapt to the particular shade of monochrome your particular LED emits, but why bother? Why risk a misdiagnosis?
OTOH, you could BUILD one…………. A small collection of Cree EasyWhites with an optic that mixes all the ray lines to hopefully blend the Cree Rainbow into something useful, might get you close to incandescent White.
Just don’t let it blink, for goodness’ sake!!!
Dim
At 4500K definitely the best choice.
Thank you everyone for your thoughtful responses. I am sorry that I was unable to log in earlier and express my gratitude, I have been busy.
For those of you that mentioned the possibility of a misdiagnosis, I assure you that this is vastly more dependent on the quality of the doctor. Having an irregular tint light source will almost never be the cause of a misdiagnosis (Assuming of course that it isn’t orange). My friend is not an Otolaryngologist and most oral exams will therefore be basic. Besides, the types of tiny irregularities on the human body will be identified as irregular by comparison to surrounding tissue, and therefore light tint is not as important to identify them. Once an irregularity has been identified, a medical examination light can be used for further exploration (those that are attached to the ceiling). I was inquiring about a high CRI light with something like the Nichia in mind, because the tint and color rendering seem perfect.
Again thank you all for your thoughtful responses. I am going to be doing some more research with your suggestions in mind (it was going to be a Xmas gift but will now be a birthday gift).
Thanks to DBCstm for torturing your wife as the test subject
Dimbo The Blinky: Thank you for your thoughtful response. I just wanted to point out that these days pharmaceutical reps are being discouraged and even banned from certain Hospitals/clinics/health organizations. These drug pushers are actually banned from the clinic that my friend works at. I am quite pleased about this because it helps remove some of the biased incentive to use overpriced drugs. He no longer receives the free stuff they hand out, like lights, but I wanted to get him something nicer and brighter anyway
Is have a limited edition 47’s Preon with a Nichia 219B fitted with a few colour choices.
It is what my recommendation is.