>LAST EDITED ON Feb-13-11
>AT 09:12?PM (MST)
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>LAST EDITED ON Feb-13-11
>AT 09:11?PM (MST)
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>LAST EDITED ON Feb-13-11
>AT 09:03?PM (MST)
>The change in the new vortex line is that they are now using ED lenses in the new binos. (extra low dispersion, aprochromatic, flourite-these are all higher grade glass used in objective lenses to reduce chromatic (color) abberartions and also improve to a lesser degree resolution).
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>Vortex has a pricing problem, there are several other binos on the market with similar features and lower prices. Binos that will be the new >Viper HD and Razor HD's competition at less cost.
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>The Zen Ray ED2
>Theron Wapiti
>Bushnell Elite ED
>Promaster infinity ELX ED
Vortex has ALWAYS used ED glass in its Vipers and Razors since they first introduced them. So by Vortex telling us the new ones use "High Density" means even less than the old market buzz of XD glass. Apochromatic (APO) is an objective lens design using two ED glass elements and another glass element in a triplet arrangement, it is not a glass type. It is a design to focus the red, blue, and green light waves at the same point, reducing color fringing (as stated). Further, apochromatic designs are not necessary with fluorite glass in the objective, as a doublet objective arrangement is all that is needed. Fluorite is way too expensive to meet the Vortex price points.
So, I THINK that HD is nothing more than Vortex marketing strategy. I THINK the already existing ED glass may get an upgrade. I THINK that there is likely to be some coating improvements. I THINK all of the "completely new design" stuff is applicable only to the Razor HD and is something the marketers will stretch for all they are worth.. The Viper was always a bit short to have a long enough focal length to really work with ED glass, so MAYBE the new Viper will be longer to correct this, or have some design tweaks internally to increase focal length.
I also THINK the new HD binoculars will be very good. I just wish they would cut the crap and tell us something about what is new and why it is good.
I agree with your market competitors. But I will withhold my opinion until I see Vortex HD samples for myself. I have three of the four you mention, so comparisons will be pretty easy.