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Tasco Sonoma 7x-21x40mm zip focus.They got rained on.Water got insid.Took eye peices off to dry out binoculars.Put eye peices back on and they no longer focus,also has a zoom feature.

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Posted on Jan 02, 2017

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SOURCE: I have an old tasco 7x-15x35 zoom binocular.

You'll need to measure your eyepiece in "mm". Also determine if your eyepiece has an outer ring the eyepiece will slip over. You can find eyecups/guards on Ebay. Search under Binocular Eyecup or Binocular Eye Guard. There are also eyecups under "rubber eyecups/rubber eyeguards" but alot of these are for Microscopes and may not fit. You will need to pay close attention to the mounting type and measurements.

Posted on Mar 20, 2010

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SOURCE: two rubber eye pieces for Tasco 6x.18x35 triple zoom binoculars

Link

Hi,

Your binocular might be needing some repair or material replacement. Kindly refer to above link to contact Support Team of Nikon

Thank you.

Posted on Jul 29, 2010

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Hi, i dropped my binoculars and im having trouble finding replacment parts to repair them tasco 2012brz zip


Sadly, considering they are likely inexpensive, best thing is to replace them completely with a new binocular. The price to repair them could be better spent on a new or good used binocular.
If that isn't acceptable, you can Cory at SuddarthOptical@yahoo.com for a price for parts or repair. He comes HIGHLY recommended after I have received consistently high quality repairs on different pieces of optical equipment I've sent him.
Good Luck

Jul 18, 2014 | Tasco Optics

1 Answer

I see double image unless I take the lens as close as the binoculars can go


thats how binoculars are. Yours in this case is really strong. the closer you are to something, looking at it, the more magiflyed you going to be. try view things far a distance, really far away. no more double right?
Everything you need to know to become an expert:
on this website: http://www.chuckhawks.com/binocular_basics.htm
It is surprising how many people do not know how to focus binoculars correctly. There are two common focusing systems used in binoculars.
The first is individual eyepiece focus. This system is simple to understand, and easy to manufacture. It also lends itself well to sealed optical tubes, and thus is usually the focusing system used for waterproof binoculars. Individual eyepiece focus means that to focus the binoculars to your eyes, you simply focus the left eyepiece to your left eye and the right eyepiece to your right eye. There is no centrally located focusing mechanism. It is done like this. Look at something in the distance. Close the right eye (or cover the front of the right binocular), and focus the left eyepiece to your left eye. Close the left eye (or cover the front of the left binocular), and focus the right eyepiece to your right eye. You are finished, until you need to look at something at a different distance, in which case you need to repeat the process.
Because individual eyepiece focus is time-consuming, center focus is more common. Unfortunately, very few people understand how to correctly use center focus binoculars. Here is how it is done. Aim your binoculars at something in the distance. Close the right eye (or cover the front of the right tube), and focus the left side of the binocular to your left eye using the center focus control, which is concentric with the pivot shaft between the binoculars. (Note: the left eyepiece itself does not focus on center focus binoculars.) Next, close your left eye (or cover the front of the left tube), and focus the right eyepiece to your right eye. DO NOT touch the center focus control while you are focusing the right eyepiece to your right eye. Now you are finished. What you have just done is adjust the binoculars for your individual eyes. (Practically everybody's left and right eyes are different.) From now on, you only need to adjust the center focus control when you look at things at different distances. Center focus is faster and easier to use than individual eyepiece focus, once you have initially set the binoculars for your eyes.
Binoculars are commonly described by using a pair of numbers, as in "7x50" or "8x25." The first of these numbers refers to the magnification offered by the binocular. Magnification is why most people buy a pair of binoculars. In the examples above, "7x" means the binocular makes whatever you look at appear seven times closer than it does to the unaided human eye. "8x" means the binocular makes whatever you look at eight times closer than the unaided human eye. "10x" makes things look ten times closer, and so on. The first number used to describe binoculars always refers to their magnification. Common binocular magnifications are 6x, 7x, 8x, 9x, and 10x.
There are also variable power (zoom) binoculars, such as 7-21x50. These almost always perform much better at the low power setting than they do at the higher settings. This is natural, since the front objective cannot enlarge to let in more light as the power is increased, so the view gets dimmer. At 7x, the 50mm front objective provides a 7.1mm exit pupil, but at 21x, the same front objective provides only a 2.38mm exit pupil. Also, the optical quality of a zoom binocular at any given power is inferior to that of a fixed power binocular of that power. In general, zoom binoculars are not the bargain they seem to be.
Remember that everything (including movement) is magnified when you look through a pair of binoculars, especially your own shakes and tremors. So the higher the power, the harder it seems to hold the binoculars steady. 6, 7, or 8 power binoculars are easier for most people, even those with very steady hands, to hold reasonably still. The higher powers sound like a good deal, but often result in jiggly, blurred views. This is why 7x binoculars are chosen by so many experts, including the military.
Power affects brightness. Other things being equal, the higher the power, the dimmer the view. And power also affects the field of view of the binoculars. Again, everything being equal, the higher the power, the smaller the field of view. So, as you can see, power must be balanced against other desirable characteristics when choosing binoculars.

May 09, 2011 | Bushnell 240842 Binocular

3 Answers

I have an old tasco 7x-15x35 zoom binocular. model #100. I lost the right rubber eye cup. Where can I purchase a replacement from........Thanks


You can't.

Tasco optical products are very cheaply made items, usually bought direct from whichever factory already makes the same or a similar model and then Tasco have their badges and packaging added.

They are consumer grade models which are not designed with longevity or repairs in mind; they're worth little when new and almost without value as used items.

The only repairs which can be done are by Tasco themselves whilst their products are under warranty. Except for the most minor of repairs, a warranty claim will simply involve exchanging the faulty item for a new one as any labour expended in repairs will often cost Tasco more than the wholesale price of a new unit.

Your only fixes are to live with the missing eyecup; to visit a binocular repair shop (not exactly commonplace) and see if you can buy an eyecup which can be adapted by yourself to fit; or to replace yours with another pair. You'll usually find that there are plenty for free on your local FreeCycle or Freegle group but they'll often have the even worse fault of a broken eyepiece yoke. But the price is right so it doesn't really matter if you have to collect five or six pairs before getting a good pair...

With all due respect, 7x-15x35 are going to be optically atrocious, so replacing your current pair is not a bad idea.

Mar 05, 2010 | Tasco Rams 7X35 Binocular, Black

1 Answer

My Tasco model 440, 7 x 50 binoculars, 1980 vintage needs new eyecups. Where can I find replacements. Bill


You'll need to measure your eyepiece in "mm". Also determine if your eyepiece has an outer ring the eyepiece will slip over. You can find eyecups/guards on Ebay. Search under Binocular Eyecup or Binocular Eye Guard. There are also eyecups under "rubber eyecups/rubber eyeguards" but alot of these are for Microscopes and may not fit. You will need to pay close attention to the mounting type and measurements.

Jul 11, 2009 | Tasco Sonoma& 8 x 40 Wide Angle Zip& Focus...

1 Answer

Binocular tasco os54 with a stock compass possible due to broken bubble inside


this can be obtained by calling bushnell customer service at 1-800-423-3537.

Oct 27, 2008 | Tasco Sonoma Binoculars

1 Answer

Scope


Try www.binocularservice.com !! Good people and about 10day turn around.

Dec 08, 2007 | Tasco Sonoma Binoculars

1 Answer

Internal cleaning


I don't know about disassembling binoculars. However have you tried drying them out, either in a "dry box" or by using silica crystals?

May 06, 2007 | Tasco Essentials 10x50 2023BRZ Wide Angle...

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