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ED4 and Horrible customer service (1 Viewer)

jremmons

Wildlife Biologist
I've been using a pair of 10x ED4 for about two weeks now. Optics are impressive, very sharp, bright, and with very good control of CA. The edge performance is fine, with no drastic fall off before 75-80pct. I can't yet speak to stray light control, as viewing conditions have been poor. In terms of build quality, I really like the new armoring. Diopter, hinge tension, and eyecups are all fine. The focus knob has noticeable slack, which I despise. Eye relief is not perfect and eye placement is finicky as a glasses wearer.

I'll probably contact Z-R about the focus knob, but otherwise I'm pretty happy with these binos and view them as an excellent value, offering optical performance not far off the best but at 1/4th the price.
 

jremmons

Wildlife Biologist
I owned the McKinley HD which was a pseudo-clone of the Prime HD. The major difference was that the Prime had a flatter field, but for me the ED4 has easier eye placement and is also lighter. Control of CA, brightness, and color fidelity are pretty similar.

Note: All of these are from my recollections, as I no longer have the McKinley/Prime HD to compare in-hand.
 
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