The difference in the Althon Ares ETR and The Athlon Ares BTR? Just wondering what the three digit letters stood for.
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Does any one know ..............
- Thread starter dayjd
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I have a BTR, the ETR has better glass using higher end ED glass while the BTR uses HD (high definition) glass, ED glass is better with light transmission. BTR & ETR are just internal company designations.
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The ETR glass is definitely better. The 4.5-30x56 is also a 34mm tube and gets more adjustment out of it
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If you can swing the cost of the ETR, it is well worth the difference. I have the 4.5-27 BTR, and if I could have a do-over, I’d hold out for the ETR.
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