I think it is a great torch for $105.00!! It does produce a lot of lumens, with decent throw and beam intensity.I have the U3 version but I am sure the U2 does well also. Really is NOT that much difference between the two as far as output, throw, PBI. I learned that from the TK-75,,Original and new version!! It is so small that the human eye can't pick it up,,,,at least mine can't!
Over all it is brighter and floodier than my TK-75, but doesn't have the throw and beam intensity[cd's] that the TK-75.
They are both great in their own ways and when you consider that the BST is $105.00 compared to the TM26 that is more than 3 times that amount,it is a great deal. Just by a little bit, the BST out throws the TM26 and has a bit more cd's.
Ciao,,,Roberto,,,"Capo di Capo" "KEEP LIGHTING UP THE DARKNESS"
The human eye is terrible at judging total brightness.
The difference for example between a 2,500 L and a 3,000 L light can be easily missed, especially if the beam patterns are not identical.
The only way humans have a shot at telling the difference is by comparing what TARGETS they can see WITH a comparison of lights, not the beams/spots of light that they see.
IE: Shined at the side of a barn..the two big white circles of light might be indistinguishable from each other.
Shined out into a field with various shrubs and grasses and so forth, the 3k L light will show more of the STUFF than the 2.5k L light....you'd see more of what's out there at a time...even if you could not tell the BEAMS apart, you will typically be able to tell that you saw more shrubs, etc.
Add to that that most humans will report that a light with a small hot spot is "Brighter" than a light with a flood pattern...even if the flood patterned light has 10x the output. The eye perceives the hand print of brightness as "Bright", and does not perceive the 10 square meters of dimmer light as brighter.
The fact that it takes more light to do the second large surface area than to do the teeny first area is not perceived.
So lights with pronounced hot spots (Throwers) tend to be universally seen as "Brighter"...its just how our eyes lie to us.
So if two lights are being compared, we generally seem to be unable to judge the output by looking at the pattern on the wall....and, which ever one makes a larger hot spot, is the one we will report to be the brightest. The lumens sent to the corona and spill, etc, are simply not counted. If BOTH lights have 2,000 L going into their hot spots, but one has a hand print sized hot spot, and one has a hot spot the size of a bedsheet....we will say the light with the hand print sized spot is brighter.
That gets to the cd. The cd and the throw of a light is the same thing. The cd is the lux at one meter for the light...IE: If you were to shine the light at a light meter 1 meter away, how many lux would the light meter read out? (For larger lights, with beam patterns that take longer to form, the measurements are taken farther away..and then back calculated, etc)
So, saying a light has more throw and more cds is like saying the car is faster and has more mph.
ALL you need is a light's cd to predict how bright it is at any given range, as it can be calculated from that number.
The floody lights like the terminator, etc, are almost impossible to compare to each other w/o the above shrubs, etc, as the "Wall of Light" patterns, in of themselves, are too hard to visually compare w/o targets to calibrate what we are looking at.
I might see 20% fewer shrubs with a T6 than with a U3 LED in the same light for example - but the beams themselves will tend to look the same in intensity/brightness to our eyes, because we are simply horrible at judging lumen out put.
Floody lights like the Terminator are generally a lot more useful to use, for the majority of people...but, are an under appreciated sector. Fans of Mules, etc, get it. Those who have tried to set up a tent with a TIR or throw/tight pattern oriented light, only get it if they then get to do it again with a floody beamed light, etc. This is because to them, that IS what a flashlight's beam looks like, and they famously make statements like "10 lumens is blinding, and I need 0.001 lumens to read by at 3 am", etc....because they can't imagine that the same 10 lumens spread out over a larger area would NOT be blinding, and so forth.