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Ive losta DK- 16 view finder eyepiece cup ,can you help me.

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You can order a new one from the manufacturer's web site at http://www.nikonmall.com

Posted on May 17, 2010

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How do i set up eye pieces and focus lenses?? Instruction manual came in chinese with no translation and we are begiiners!


During the day:
1. Point to a far (1000 meters or more) object
2. Insert the lowest power (highest number) eyepiece e.g. 25mm
3. focus on the object.
4. Align finder to match what you see in the scope.
At night.
1. Put scope out and let it reach the temperature of the outside.
2. Point finder to the moon (1st object you should always use to check scope and finder alignment)
3. Use the same low power eyepiece.
4. If everything seems fine, switch to a higher power eyepiece and enjoy the view. You may have to slightly adjust the finder to align with the main scope.
If the views are blurry, the telescope may be out of collimation. Look on the internet for generic collimation instructions.
If this still did not help. Throw the scope out! Its probably a piece of junk and will only discourage you.

Dec 12, 2012 | Optics

1 Answer

How do I sight the telescope


The "finder-scope" as they are called can be lined up by putting a low-power eyepiece in the scope, and moving the scope (on its mount) to view a distant object such as a streetlight. An EP which gives you about the same magnification as the finder-scope is a good choice. They are mostly about x8 power.


Centre the object in the eyepiece view and then adjust the finder-scope until the object is centred in that view as well.


Repeat this with a higher power EP, then move the scope onto a bright star, and use the highest magnification EP you have to finally do the last tiny adjustment to the finder-scope.

Nov 24, 2012 | Optics

1 Answer

I cant view anything from the finderscope in relation to the telescope


They must be lined up, and if you are using a higher power eyepiece, this must be more precise as your field of view is smaller.
There will be some type of adjustment on the finderscope, probably 3 thumbscrews around the holder tube.

Put in a low power eyepiece and point the scope at a local feature such as a streetlight or distant building. Get this centered in the eyepiece. Then adjust the finder only so the feature is centered in the finder as well.

Put in a higher power eyepiece and center the feature again in the telescope EP, and readjust the finder centering by itself, if needed.

Then choose a bright star and by moving the scope mount, place this in the center of the finder. Check if the star is properly centered in the EP as well and if not, move the scope mount until it is. Then finally adjust the finder centering by itself.

Feb 07, 2012 | Celestron Optics

1 Answer

No image through lenses


1. During the daylight point the telescope towards an object (water tower, building ) something about 1/2 mile away.
2. Locate the object in your finder.
3. Use the 12.5mm lens (50x) and look through the telescope. Do not use the erect prism
4. Align the finder to what you see in the scope.
5. You can use the 4mm to fine adjust the finder.
6. On a good, clear night.Leave the scope out to reach thermal equilibrium ( about a hour) Point the finder towards the moon
7. Use the 12.5mm and then focus on the moon.

Note: This is NOT a quality scope. Avoid any scope with .965 eyepieces and silly magnifications! Max power on this scope on a PERFECT night is 200x and Huygens (H12.5) eyepieces give very narrow and poor viewing. Do not use the 3x barlow or the erecting prism. the erecting prism is for terrestrial viewing only and the barlow, although it increases the eyepiece by 3x, will also narrow the view.
Good Luck!

Dec 05, 2011 | Rokinon 62550 Telescope

1 Answer

We are trying to test out viewing land based objects using the 30X eyepiece, which according to the instructions, should appear right side up and not upside down! This is not happening.


It's NOT really a problem. ALL reflector style telescopes show upside down images. This will not affect your star gazing since there is no UP OR DOWN in outer space. Read my tips on my profile page.

You can buy an "erecting diagonal" for terrestrial viewing- BUT this is not what an astronomical telescope is actually used for.

So align the small finder scope on a distant object like the top of a telescope pole during the day time. Point the main tube at the pole and get the tip top in the main tube's eyepiece. Without moving the telescope adjust the crosshairs on the finder scope on the exact same spot. The moon should be your first target at night and you can check and refine the finder scope on the moon.

Mar 12, 2011 | Bushnell 3" Reflector Telescope 60% OFF w/...

1 Answer

Hi ive got a galaxsee tasco telescope but im having trouble seeing anything at night, i've took all the caps off lined up on a star but its just pitch black can you help thanks.


1. During the day, point the scope towards an object and align the finder scope to the telescope.
2. First object at night should be the moon. it will verify your finderscope alignment and you should have a clear view of the moon.
3. Use your lowest power eyepiece (largest number in mm) and point the finderscope to a star. The star should be in the center of the eyepiece.. If not, adjust the finder until it and the scope are centered.
4. You can use your higher power lens on the star nd it should still be in the FOV (field of view)
5. Scope may need to be aligned (collimated). Instructions on this should be included with the scope

Mar 10, 2011 | Tasco Galaxsee 46114375 (375 x 114mm)...

1 Answer

I have a Criterion 4000 that is set up for photography only. I have the scope, focus adapter tube, and the t ring adapter. This is only mounted on a photo tripod. What parts do I need for casual star...


You will need a diagonal, eyepiece and a finder scope. The photo tripod is not the greatest for astronomy. Acceptable for the moon and quick views of the planets but with a SCTs narrow view, you will be constantly adjusting the tripod.
I would start with a 25mm plossl eyepiece which would provide 80x power. About as high as you can get with a photo tripod.
Places to get finder scopes, eyepieces and diagonals
http://www.agenaastro.com/

http://www.telescope.com/control/category/~category_id=telescopes?atc=ggldlp&gclid=CNC2_eT8oqUCFUHsKgodywuvHA

Be aware that the Bausch and Lomb telescopes had terrible reputation for bad optics.

Nov 14, 2010 | Bausch and Lomb Optics

1 Answer

Can not seem to focus when we look through the lens we just see the bk=lack sky we cannot seem to see anything


try this:
see the mini scope on top of the telescope?--that's called the finder scope--
you look through that to see what the telescope is aimed at, just like what a sniper does before he pulls the trigger.

put in the lowest power eyepiece you have in the telescope, the one with a high number on it.

it's a good idea to align the 'finder' with the telescope during the day time--it's much easier.

if your telescope and finder scope aren't aligned properly, aiming your telescope at any target will be off and you'll just get frustrated.
to do this, look through your finder scope and pick a far away target, put in the lowest power eyepiece you have, that's the one with a high number--
high number = low power = a nice big view in the telescope.
low number on eyepiece = high magnification, like a zoom lens.

always use the lowest eyepiece first, then work your way to higher magnification, if you want to get a closer look at your target.

use lowest power eyepiece in telescope--> look through finder scope -->focus the image--> switch to higher power of eyepiece for a closer look at your target.

practice this during the day until you're comfortable, then try it at night.
try the moon, it's a nice big target

you can also use binoculars to check out the night sky.
you can try using 7x35 or 7x50 binoculars.
you see a lot more stars and it gives nice big views of the stars and constellations...and the moon...

hope this helps :D


Jul 30, 2009 | Bushnell Deep Space 78-9512 (120 x 60mm)...

1 Answer

What is a Veiw Finder


It's where you find a view of what the light coming through the lens. Today's consumer camcorders place the viewfinder center-rear usually with a rubbery piece around the end as an eyepiece/cup. Many units shut off the image to the eyepiece if the flip-out LCD screen on the side is used.

Jan 15, 2009 | Sony Handycam CCD-TRV68 Camcorder

1 Answer

The view finder does not wotk


Try pulling out the eyepiece, it will reveal a switch that controls the focus, it maybe the problem, good luck

Aug 13, 2008 | Panasonic Palmcorder PV-DV351 Mini DV...

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