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Quite a girlfriend you have there I would save up until you can afford ED glass. A year from now, you would be able to afford one and you'll be glad you waited. ED is not a deal breaker for binos, but definitely for a spotter. Just my
A few years ago I started thinking abouta spotter, and as far as research, I hadn't either I got really into it (way into it) and learned far more than i needed to. Sure glad I did. Had I bought cheap, I woulda bought twice. The place to really learn is on bird watching forums. Those guys really know their glass.ED, HD, Apo, UD are all trademarks used by various optics companies. I have a Nikon Fieldscope 82 so I used their term which stands for "extra low dispersion." (others: 'high definition,' 'apochromatic,' 'ultra low dispersion' etc, etc) They basically all refer to high tech manufacturing processes, such as the inclusion of flourite compounds and/or use of multiple glass layers, to reduce chromatic abberation. What is chromatic abberation? That's the fuzz you might notice around the edge of objects when looking through cheap glass. It refers to light's wavelengths (the reds, blues, greens, etc) tendency to not focus on a single plane when passing through glass and thereby cause blurriness. Higher magnification pronounces the phenomena--so a spotting scope of lesser quality is more problematic than a pair of binos.In practical application, picture yourself at the end of shooting light on a hunting day. You're up high and can see a buck off in some scrub brush.you're trying to count antlers, but you're not sure if he's what you really want. Is that a branch, or an antler? Just how long are those eyeguards? You've scouted the area and are expecting another herd of deer that has a big buck to come in from another area--and now you're torn. Go after the buck that you see now? Or wait for the big boy to come around the corner? Quality glass makes for better hunts and truly allows you to 'hunt with your eyes, more than your legs.' You'll also get less headaches and eyestrain, so once you've found a good spot you'll be more likely to sit there rather than get impatient and run off From around the web:http://www.nikon.com/products/sportoptics/how_to/guide/fieldscopes/choosing/choosing_03.htmhttp://www.dpreview.com/learn/?/Glossary/Optical/chromatic_aberration_01.htmhttp://toothwalker.org/optics/chromatic.html
Take a look at the Vortex Viper hd 15-45x65, great scope for only $150 more than the one your looking at.
Wow. Thats a lot of information. What ED spotting scope do you recomend?