Question about Vivitar (1607225) Telescope

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I lost the eyepiece for the Vivitar scope It has a 1 in. inside diam.

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This is a ,965 eyepiece -- Telescope Warehouse may have some you can buy-- see this web site:

http://shop.telescope-warehouse.com/main.sc

here is a kit--

http://shop.telescope-warehouse.com/product.sc?productId=93&categoryId=2

Posted on Aug 25, 2010

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When I have my 8mm or 4 mm all I see is black. any suggestions? with the naked eye I can see stars and with the aiming scope I see them but through main eyepiece I see nothing.


The finder scope must be aligned with the main tube. Get a bright star into the MAIN tube eyepiece. Then without moving the scope adjust the crosshairs in the small finder scope so they CROSS at the same star.

Mar 27, 2011 | Vivitar Optics

1 Answer

I need the eyepiece for the vivitar refractor telescope ot accidently was broking when I shipped to the Bahamas


You don't say whether this is an astronomical telescope or a terrestrial one (spotting scope). However, I have a Vivitar scope which was sold as an astronomical scope, but is actually a spotting scope, although it uses astronomical style eyepieces, so...

I am not sure that it is the eyepiece you want, either. It is hard to break an eyepiece, but much easier to break the eyepiece mount or diagonal mirror fitting.

Most astronomical telescopes use a standard fitting eyepiece with a 1.25 inch outside diameter barrel. You can measure the mount where the eyepiece goes to make sure that yours is this size, then search on eBay or Amazon for "1.25 eyepiece" and you will find many available. It doesn't have to be made by Vivitar, any make will fit.

The other variable will be the focal length of the eyepiece, which is what determines it's power. The power of the scope will be the focal length of the main objective divided by the focal length of the eyepiece, so a 9mm eyepiece will give a higher magnification (and be dimmer and harder to focus and find objects) than a 20mm eyepiece. It is usual to have two or three different focal length eyepieces for viewing different objects.

Jan 23, 2011 | Vivitar (1607225) Telescope

1 Answer

When I look through the eyepiece all I can see is my own eye. I have a VIV-TEL-76700


The only thing I know of that can cause this effect is if you are looking into the eyepiece mount of a reflector telescope without there actually being an eyepiece in it. Seeing your own eye in this situation is a check that the collimation (lining up of the optical elements) is good.

You need to put an eyepiece into the mount. This scope is meant to come with two eyepieces, but if you bought it second-hand and didn't get them, you can buy eyepieces from several sources, including Amazon and eBay. Measure the eyepiece tube's inside diameter. The most common barrel size for eyepieces is 1.25 inches, but there are also some small telescopes that use eyepieces just under an inch (.965") in diameter, which are harder to find. If you have to buy eyepieces, they are likely to cost more than this scope is really worth.

There is a good website for telescope beginners at THIS LINK

Jan 15, 2011 | Vivitar (1607225) Telescope

1 Answer

We have a Vivitar 50x/100x Refractor Telescope. I can't find the eye pieces. Any ideas on where to find them online? Most of the comments/reivews I've read say it's not a good telescope...


Commonly available astronomical telescope eyepieces are 1.25 inches in outside diameter. If the eyepiece tube on your scope is that dimension (inside diameter) then you will have no trouble finding lots of them in various focal lengths on Amazon or eBay. However, there are lots of "toy" telescopes that use proprietary eyepieces of smaller sizes, and these would be harder to get hold of.

Nov 21, 2010 | Vivitar (1607225) Telescope

1 Answer

We lost the eyepieces lenses. where can we find replacements?


I believe this scope takes a .965 inch eyepiece. Measure the hole. They also come in 1.25 inch and 2 inch sizes.

These are very difficult to find because most scopes take the 1.25 inch size.. Check with these two retailers to see if they have any:

http://www.surplusshack.com/

http://shop.telescope-warehouse.com/

Sep 24, 2010 | Vivitar (1607225) Telescope

1 Answer

Looking at the moon with the 50 or 100 magnification on my Vivitar Telescope all I see is a extremely small white dot. I have tried focusing back and forth very slowly to no avail. What is the problem and...


Well first thing is you bought a junk telescope. Vivitar, Bushnell, Tasco are all considered toy telescopes.

Sorry-- but it is the truth. Read my TIPS on my profile page. These scopes are NOT suitable for Astronomy. You would have been better buying a pair of 10x50mm binoculars which are almost the same lens size as this scope.

Put the eyepiece with the LOWEST number written on it into the scope. This is your highest magnification. Try the moon again with this eyepiece.

Read this:
http://www.texasastro.org/telescope.php

Aug 24, 2010 | Vivitar (1607225) Telescope

1 Answer

Missing eyepiece.


You can buy an eyepiece from 1000 different retailers-- just get the correct SIZE usually 1.25 inch BUT many of these smaller scopes have .965 eyepieces-- MEASURE the hole. Here are two places that sell eyepieces--

http://www.telescope.com/control/category/~category_id=eyepieces

http://www.agenaastro.com/

Jun 09, 2009 | Vivitar Optics

1 Answer

Eyepiece for telescope


You may be able to find these for sale on:

www.astromart.com

However-- it is very doubtful if your scope can exceed 100 power without the image degrading. I normally use 100-150 power MAXIMUM in my 8" LX90 ---usually I use 50-100 power.

Oct 17, 2008 | Vivitar (1607225) Telescope

1 Answer

Vivitar Telescope


Eypieces in telescopes usually come in two sizes .9" and 1.25" diameter. There are hundreds of scientific companies or telescope companies that can supply you with an inexpensive replacement. The eyepiece focal lengths, usually in millimeters, determines the magnification of the telescope. The focal length of the main lens divided by the focal length of the eyepiece is the magnification of the telescope. Usually two eyepieces are enough for your scope. Good luck

May 11, 2008 | Vivitar (1607225) Telescope

1 Answer

Eyepieces lost


You did not mention your telescope make and model so:
1. measure eyepiece holder. Determine of you use .965in. or 1.25in. diameter eyepieces. If you use .965 eyepieces you are limited in choices. HANDSONOPTICS.COM carries nice Plossls. SURPLUSSHED.COM. sells .965 moon filters and cheaper eyepieces. If you have a 1.25 eyepiece holder, the skies the limit on eyepieces. Check Ebay plus other sites.
2. Determine the focal length of the eyepiece you want to use. As a rule, your scope can magnify 50x per inch of aperture although looking at just the moon, you can stretch that a bit. For example, a 80mm reflector (3.1 in). x 50 = 155x max. magnification (must be a perfectly clear night)
So now find the focal length of the scope (stamped/labeled somewhere) Typical refractor is 700mm. For maximum power (155x) it is: focal length of telescope/focal length of eyepiece = magnification. Or FL (scope)/ magification= FL eyepiece. 700/155= 4.5mm. This size will have terrible eye relief unless you spend $$$$$. Suggest a 10mm eyepiece which gives 70x power and a great view of the moon and planets

Nov 15, 2007 | Tasco Luminova 40114675 (675 x 114mm)...

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