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What Does HD Mean? |
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SDShannonS
Optics GrassHopper Joined: April/15/2011 Status: Offline Points: 12 |
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Posted: April/16/2011 at 20:51 |
I've seen some scopes designated as HD with no explanation of what that means. I come from an IT background so to me it means "High Definition." But rifles don't digitally process an image before resolving it, so HD on a scope makes about as much sense as "HD Sunglasses."
So, what am I missing? |
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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Well in some circles HD means Harley Davidson. But to optics guys it means HIGH DEFINITION GLASS glass that is much better quality and will provide a sharper clearer image.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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topbrass
Optics Apprentice Joined: March/10/2010 Status: Offline Points: 140 |
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ED?
SD?
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Urimaginaryfrnd
MODERATOR Resident Redneck Joined: June/20/2005 Location: Iowa Status: Offline Points: 14964 |
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http://www.nikonusa.com/Learn-And-Explore/Nikon-Camera-Technology/ftlzi4z6/1/Super-ED-Glass.htmlED Nikon’s Extra-low Dispersion (ED) and Super ED glass help correct chromatic aberrations, or optical color defects, caused when different light wavelengths do not converge at the same point after passing through optical glass.
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"Always do the right thing, just because it is the right thing to do". Bobby Paul Doherty Texas Ranger |
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SDShannonS
Optics GrassHopper Joined: April/15/2011 Status: Offline Points: 12 |
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Thanks for that. Has anyone done a side-by-side comparison of the same scope using HD and non-HD glass? What kind of a difference does it truly make? Like night and day? Or good but not great?
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stickbow46
Optics Master Extraordinaire Joined: January/07/2009 Location: Benton, Pa Status: Offline Points: 4678 |
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Compared my SWFA SS10X vs.SS10X-HD,as far as the glass went the HD was much brighter,exposed more detail & was just plain easier on my eyes.Remember though it was also 2 1/2 times the price of the original 10X!
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Pearls of Wisdom are Heard not Spoken
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mike650
Optics God Joined: May/14/2006 Location: West of Rockies Status: Offline Points: 14569 |
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HD High Definition
HD Hard Drive HD Heavy Duty HD Harley-Davidson HD High Density HD Head HD Hold HD Honda HD Hard Disk HD Hundred HD Hyundai HD Help Desk HD Heidelberg HD Högsta Domstolen (Swedish supreme court of justice) HD Heart Disease HD Home Delivery HD Hilary Duff HD Home Decor HD Hot Dog HD Huntington's Disease HD Huddersfield (postcode, United Kingdom) HD Home Depot, Inc. (NYSE symbol) HD Hybrid Digital (radio technology) HD Hemodialysis HD Henry Draper (star catalog) HD Hairdresser HD Harmonic Distortion HD Half-Duplex HD Hodgkin's Disease HD Homeland Defense HD Helsingborgs Dagblad (Swedish newspaper) HD Half Day HD Historic District HD Hot Date (The Sims expansion pack) HD Hydrodynamic HD Highway Department HD Hip Dysplasia HD Hit Dice (role-playing games) HD Home Defense HD High Dive HD Hall Director HD Honorable Discharge HD Higher Diploma HD Hemorrhagic Disease HD Mustard Gas HD High Distinction (grade) HD Health Division HD Honorary Degree HD Housing Department HD Hand Dryer (building services) HD Hemodynamically (stable) HD High Dispersion HD Hyperactive Disorder HD Hoe Down (party) HD Horizontal Distance HD Helm's Deep (JRR Tolkien's The Two Towers) HD Humanitarian Demining (US Government unexploded ordnance mission areas) HD Heat Detector HD Hüsker Dü (band) HD Hydatid Disease HD Hot Desk HD Homeopathic Doctor HD Hazel Dell ( town in SW Washington) HD Hip-Disarticulation (amputation) HD Hidden Desire HD Highly Dispersed HD House Document (USACE) HD High-Drag HD Harmonization Document HD Hexanedione HD Harbor Defense HD Hurricane Days HD Heavy Drop HD Heavy Defense (gaming) HD Hrvatski Dragovoljac (Croatian: Volunteer; Zagreb football club) HD Hardware Disease (traumatic reticulopericarditis caused by foreign bodies in cattle) HD Helicopter Director HD Humidity Detector HD Hepatosis Dietetica HD Heloma Durum HD Heavy Decoy HD Horizontal Decelerator HD Half Sized Diazo Non-Reproducible Drawing HD Household Drivers HD Hydraulic Fluid, Diving |
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“A hunt based only on trophies taken falls far short of what the ultimate goal should be.” – Fred Bear
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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Gee, thanks for clearing that up Mike!!!
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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SDShannonS
Optics GrassHopper Joined: April/15/2011 Status: Offline Points: 12 |
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I always suspected that someone made a scope containing Hydraulic fluid, Diving. Eureka! At last, I've found it!
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