From what I'm hearing and reading it works with the AB software. Reading more in the SH thread, the glass is good but not top shelf. That does bother me. For years I hunted with Cabellas binos... this would be a step up for me and the price is right compared to Zeiss and Leica. I'm glad I saw this thread
Yes, it does work great with specific AB equipped devices, but only specific hardware. At this time, that's the 5700 Kestrel and the Foretrex. The 4500, while it has AB, is an older iteration of hardware and I don't think it runs the same communication protocol. So according to Kestrel, if you want them to talk, you will need a newer Kestrel.
As to the glass, yeah, I do wish it had alpha glass, but then, it would have alpha prices, and I could not afford it! My FL's are definitely better, and Sig was very open with me in our discussions about what was coming and that they see this as awesome rangefinder with solid glass, but that it, glass wise, it would not be taking on Leica. They wanted to make something that more people could afford, so they chose the Zulu 5 level of glass.
For most people, I think this is about the level of glass they are good with...Zulu 5's generally compete with Vipers, and that's a pretty broad market. But for people that are running alpha glass, it's not what they are used to. The difference particularly shows up waaay out there, the image on my FL's just holds up better, there is seemingly less mirage, and you seem to get more minutes at the end of the day.
It's a tradeoff, no doubt. What I hope they will do some day is move the BDX capability into their Zulu 9 glass. But then, it would be well outside my budget, I am sure...
I'll say this, man, the workflow is awesome! RF binos have always been great in that respect, but when you add in the connection to the Kestrel and then it dumps that info into the RF AND illuminates your hold on BDX scopes....very fast! So much so that my son sold his VXIIIi to buy the BDX system.
The only thing I would add if I were them would have been to keep the compass in the RF...neither the 3k nor the 2400 BDX have an internal compass, so for the long shots, you have to manually set DOF on the Kestrel for Coriolis etc to be correct. The 2400 ABS has an internal compass, I wish they would have left it in the BDX devices, but I am sure that was a cost decision. But still, unless you are really punching it way out there, it's not an issue, and if you are....you have the time.
Oh, and locking diopters....wish it had that. Probably will just electrical tape them to preclude bumping.
But yeah, if you are running cabelas, unless they are the Euros (Meostars) I would guess they are at least on par, probably a step up. Hopefully, you can find a set to look through to see if they will do the job for you in balance of what else you get in the system.