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Double image with Skymaster 15x70 binoculars

Midpoint

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Midpoint

Midpoint

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I've just received a pair of Celestron Skymaster 15x70 binoculars as a gift, but when I look through them, I'm seeing a double image. It seems that the image through the left eye is vertically offset from the image through the right eye.

Is it possible that there's something I can adjust on them or are the likely to be knackered?

Thanks very much.

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MarkF

MarkF

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Sounds like the collimation may be out, I have a pair of binos that give double images at night but are fine during the day. Get someone else to try them to make sure its not your eyes, if they cannot get the images to merge then its the binos collimation.

Cheap solution is get them replaced if you can as from what I have read it is possible to collimate them yourself but this can be a bit hit and miss. Otherwise its off to a specialist company.

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optical thrombosis

optical thrombosis

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Sounds like the internal optics have moved in transit, possibly the prisms. Unfortunately although most binoculars look macho with big tough rubber jackets they don't like getting knocked around. Might be worth trying to find out from the giver if they have the receipt and get them sent back to dealer for replacement.

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johninderby

johninderby

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Unfortunately a fair number of the Celestron 15x70 bins do come from the factory with collimation problems.

Do you know where they were purchased? A good dealer like FLO will check them over first and make sure they're collimated before shipping them so you know you'll get a good pair.

John

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darkly

darkly

Posted
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Unfortunately a fair number of the Celestron 15x70 bins do come from the factory with collimation problems.

Do you know where they were purchased? A good dealer like FLO will check them over first and make sure they're collimated before shipping them so you know you'll get a good pair.

John

Cheers, good advice which I intend to follow, I never considered binos until I started looking around SGL, then once I got my scope I started to think how handy a pair would be for having "a quick look", now, I've just about talked myself into getting a pair ...

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Midpoint

Midpoint

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It turns out my other half did buy them from FLO so I guess they may have been knocked on the way to us. I'll ask her to drop them a mail to see what they suggest as I'd rather not make them any worse by fiddling with them.

Thanks very much (again) for the helpful answers.

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alp

alp

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I recently bought Celestron 15x70 (very cheaply) and the pair I got is perfect. So far 3 people tried them and each of us was able to focus them without a problem. Sharp and bright views, l love them. According to the instruction sheet the manufacturer offers life time guarantee on sales in USA and Canada, maybe you should query with them if they can help.

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darkly

darkly

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I bought a Celestron 15x70 and the collimation was WAY off, and there was some dirt in the optics. Replaced them by a pair from Omegon (same thing really). COllimation is OK but not perfect.

This is probably why they are cheap.

Guys, you're putting me off the idea, need some "bino 'thusiasm" :D

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michael.h.f.wilkinson

michael.h.f.wilkinson

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My 15x70s are still very good value for money. I got mine from astroshop.eu, and their service was fine. I simply returned the Celestron, and because they did not have another one in stock they got me the Omegon instead. I had a great deal of fun with it, despite the slight eye-strain I sometimes experience.

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jgs001

jgs001

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I got a pair of Lidl special 10x50 (bressers) they were spot on, which considering I didn't get to try them before I bought, were bought by someone else, then transported to me, is pretty good going. I bought a pair of 15x70 Celestrons second hand. They also arrived spot on.

My 15x70's have been bounced around, poorly packed in the car through france, and the collimation has not, that I can easily tell, gone out.

I did lend the 10x50's out to someone, where they obviously picked up a knock, as the collimation was out. I mounted them on a camera tripod and it took my under a minute to correct (it's a little scary the first time you try it, but it's surprisingly easy), and now they are spot on again.

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Polar Bear

Polar Bear

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Guys, you're putting me off the idea, need some "bino 'thusiasm" :D

I had some Celestron 15 x 70's that I bought from Stockport Telescopes and tried them before I took them home.

The only way to ensure they are not only collimated correctly , but also suit your eyes is to try before you buy so with binos I would not suggest mail order or ebay, unless they are amazing cheap and you can set them up yourself.

My current binoculars are Tento 10 x 50's which are the usual Russian 'bomb proof' quality construction bought for £20.00 from a local Cash Generators shop where I could try them out before buying. I also have some Practica 10 - 30 x 30 zoom binoculars for day time use that although not brilliant are collimated and work well , all for £4.99 from a charity shop.

Try before you buy has to be the motto for binocular purchases.

Paul

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darkly

darkly

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Think I'll maybe have to do the dirty deed of trying in a shop' then' if FLO do them cheaper buy from them but ensuring they promise to check them before dispatch. :D

Thanks for the "thusiasm" :)

OOOOPS, just thought, I've dragged this thread off topic :eek:

Really really sorry - typing without thinking - got carried away - apologies!

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