barncat
member
Reged: 02/28/08
Posts: 13
Loc: St.Catharines, Ontario
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posted this in beginners but i am posting here as well.was going to go out and get celstron skymaster 15 x 70 then i noticed that the 20-100 x 70 were 30 bucks more and the 25-125x 80 were 40 bucks more..just wondering if the extra few bucks is worth it.any disadvantages to the zooming binocs?
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EdZ
Professor EdZ
Reged: 02/15/02
Posts: 12581
Loc: Cumberland, R I , USA42N71.4W
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No small binoculars are made well enough to operate at thos zoom magnifications
zoom binoculars are impossible to adjust if out of alignment.
the incidence of out of alignment in binoculars under a few hundred dollars is very high
field of view and image quality suffers dramatically at high power in a zoom
don't buy the zooms
edz
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Teach a kid something today. The feeling you'll get is one of life's greatest rewards.
member#21
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hallelujah
Carpal Tunnel
Reged: 07/14/06
Posts: 1660
Loc: Colorado Rocky Mt. High
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Zoom Binocular Caution
Edited by hallelujah (04/10/08 10:13 PM)
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EdZ
Professor EdZ
Reged: 02/15/02
Posts: 12581
Loc: Cumberland, R I , USA42N71.4W
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you might want to set that page to threaded and then re-establish the link so you can read the post titles below.
edz
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Teach a kid something today. The feeling you'll get is one of life's greatest rewards.
member#21
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hallelujah
Carpal Tunnel
Reged: 07/14/06
Posts: 1660
Loc: Colorado Rocky Mt. High
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Cool, Thanks! 
Edited by hallelujah (04/10/08 10:14 PM)
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DJB
Pooh-Bah
Reged: 02/23/05
Posts: 1267
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I agree with Ed.
DON'T buy the zooms. I went through that once. The remaining parts are in the basement waiting for something else to do! Enuf said.
Best regards,
Dave.
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Luigi
Carpal Tunnel
Reged: 07/03/07
Posts: 2054
Loc: Massachusetts
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Even expensive zooms have narrow FOVs and poor edge sharpness at low mags. I always recommend staying away from zooms.
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17.5" f/5 Discovery Truss
IM715 7" f/15 MCT, Eon-120ED
Lunt 60mm single etalon HA
CG5A coffee grinder, Orion Skyview Alt-AZ
35,19,15 Pans.9 Nag. Meade 24.5 4kSWA, 4.7 5kUWA.
BO-TMB 7mm planetary.
Zeiss Diascope 85
Zeiss, Leica, Canon IS, Fujinon, Nikon binos
One each generic rescue Greyhound (pictured)
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KennyJ
Reged: 04/27/03
Posts: 10146
Loc: Lancashire UK
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Barncat ,
Just in case you haven't got the message loud and clear .
Do NOT buy any of those ZOOM binoculars !
If you do , I can guarantee you will regret it :-)
Regards
Kenny
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If everyone is thinking the same thing , no-one is thinking - General George S.Patton
Zeiss 7 x 42 BGAT
Captain's Helmsman 7 x 50
Nikon 10 x 42 Superior E
Swift Audubon Kestrel 10 x 50
Helios 15 x 70 Observation
Strathspey 20 x 90
Televue 76 APO
Zeiss 85 Diascope
Helios 102 f5 refractor
Various eyepieces barlows tripods mounts etc.
Panasonic Lumix DMC - TZ5 digital camera
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Jay_Bird
professor emeritus
Reged: 01/04/06
Posts: 680
Loc: Nevada 36N 115W
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It's not far off topic to welcome Kenny back as he has always provided practical (and often entertaining) ADVICE ON BINOCULARS.
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'these things stand like stone - kindness in another's troubles, courage in your own' Gordon
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barncat
member
Reged: 02/28/08
Posts: 13
Loc: St.Catharines, Ontario
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thanks for all the help peeps..i knew it was kinda fishy that they were only 30 bucks more..will give you report next week as i am getting the non zooms this weekend
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medinabrit
professor emeritus
Reged: 10/27/04
Posts: 535
Loc: medina ohio USA.
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I guess it took something as shocking as someone even thinking about zoom binoculars to bring Kenny back to life.
Brian.
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