Question about Bushnell NorthStar Goto 100mm 788840 Maksutov-Cassegrain Compact Telescopes

2 Answers

GO TO northsar program not working.

I got the bushnell 100 mm maksuvot cassgrain for $540! I frusterated with its results it has a really sharp focus and all but im still doubting that its worth the money paid for it. Whenever i used the the go to prgram to get me to an object the sky it went to a place totally different. When jupiter was clearly in the sky it said it was bellow the horizon or even took me to another place nowhere near it. I think i set the system correctly. To reset it i tried taking the batteries out for a while and putting them back tlike the customer survice said to but that still didn't resolve the problem. PlEEESEE If you r reading this please help me with this fusterating problem!!! Any help is appreciated so pls give it a thought. Thanks to whoever takes attention to this note.

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  • abbyhexom Oct 31, 2008

    Same identical problem. The GOTO feature doesn't work correctly.

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2 Answers

You haven't mentioned aligning the system, have you done that? (instructions in the manual)

Posted on Nov 04, 2008

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Actually i find out from bushnell that i got a bad peice. Thanks for those who did try to help and if there r people who hav the same problem get a new one becauseit might jus be a bad peice. Thanx all

Posted on Aug 29, 2007

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Which is the good spotting scope for higher amount of light?


Bushnell Trophy Xtreme Spotting Scope

Overview

Bushnell Spotting Scope has extra power for extra range; its BaK-4 Porro-prism design delivers magnificent clarity in a traditional design. The multicoated optics ensure maximum light transmission for the brightest and take the images more colorful and clear. If you are searching Bushnell Scope that can be used for different activities, you should consider Bushnell Trophy Xtreme Spotting Scope Review.
The highly refractive BAK4 Porro prisms diminish spherical deviations for increased edge-to-edge sharpness and help progress depth of view. This combination of optics and coatings creates a spotting scope that produces clear, bright, highly contrasted images with the exact color transmission.
The rubber-armor structure stands up to demanding use. This scope is 100% waterproof and fog proof for wet hunting conditions. It also Comprises compact tripod with window mount, compact soft case, and waterproof hard case.
Specifications
  • Brand:Bushnell
  • Viewing Configuration:Straight
  • Magnification:16-48X
  • Power Variability:Variable
  • Objective Diameter:50 mm
  • Close Focus Distance:25 feet
  • Length:13 inches
  • Weight:31.4 ounces
  • Field of View:125-60 feet/1000 yards
  • Eye Relief/Exit Pupil:16 mm/ 3.1-1 mm
  • Optics Coatings:Fully Multi-Coated
  • Glass:BaK-4
  • Focus System:Focus Knob/Single Focus
Feature Analysis
  • Porro Prism Lens
    Though many optics producers keep on trying to transform roof prism lens, Porro prism lenses are more affordable and light-efficient. These Porro prism lenses can display images with better contrast than roof prism variations. This is how Bushnell Spotting Scope is more reliable and affordable for its high-quality performance.
  • 20-60×65 Zoom Magnification
    The wide range of magnification allows user flexibility for long-range view finding. You can observe details with 65x zoom for long range objects. But, you can still enjoy an increased field of view with 20x zoom. This is used when separating the areas for closer zoom viewing later on.
  • 65x Lens Light-Gathering Capability
    This advanced magnification lenses can light gather at long distances. The Bushnell Trophy 20-60x 65mm Waterproof Spotting Scope resolves this issue by designing 65x zoom lens in a way that brings 17% more light than most high-zoom lenses.
    If you fully read Bushnell Trophy Xtreme Spotting Scope Review, it will support you how to setting zoom for longer distances images.
  • Waterproof Construction
    When you go out in nature, this waterproof construction anticipates you about rain or even snow. It is pretty obvious that any liquid that leaks into your scope will detract from the overall image. But many people do not consider the effects of concentration on the inside of the lens.
    This spotting scope is actually water and fog proof not only for outside moisture but also prevents lens fogging from risky temperatures.
  • Fully Multi-Coated Optics
    The multi-coated lenses prevent any reflections in the glass that can delay your view. The sunlight at certain angles can cause reflections from water or wet surfaces that prevent the clear view of the images. That is why; Bushnell uses multi-coated lenses to remove any kind of reflection.
  • Well-designed Equipment
    The tripod often needs to hide from animals, and the scope cases also need to protect their insides from both jostling and the outside elements. The Bushnell Trophy XLT comes with both a hard-side case and a soft side case. The hard side case protects you from outside damage and a soft-side case protect you from a bumpy road when you are riding.

Mar 18, 2018 | The Optics

1 Answer

Need information and Instruction Manual for a Vintage Bushnell 300mm camera lens


This is not a zoom lens, it is a fixed focal length of 300mm telephoto, so the focus ring will not slide back and forth, merely rotate. It is also manual focus. If you google it, you may find a manual, but doubtful - best bet is to get a book on basic photography and read up on telephoto lenses there.
Update - allegedly made by Tokina, so should be a reasonable lens.

Apr 01, 2017 | Bushnell Cameras

1 Answer

I need manual for my bushnell refractor telescope.i can not see anything.


All of Bushnell's manuals are on this web site:

http://www.opticsplanet.net/bushnell-warranty.html

Look down the page for your telescope. The manual will NOT tell you how to use the telescope. It is only assembly instructions. Take the scope out in the day time and practice focusing on a distant object. DO NOT USE the 2x barlow if you have one. Just put the eyepiece with the LARGEST number written on it into the focuser. Turn the focus knob to the right and or left until you get a sharp image on a distant object during the day time.

Read my TIPS on my profile page.

Apr 22, 2011 | Bushnell SkyTour 78-9960 (700 x 60mm)...

1 Answer

I am able to see with the 20m Lens but once i insert the 5mm Lens it looses focus and i cannot see anything, i tried adjusting the focus again with no success. The worst thing that even at day light i...


That's because the 5 mm is too much magnification for your small telescope. Maximum magnification is a function of APERTURE. Which is how big is the front lens or the mirror.

Your scope has about a 2 inch aperture, so the maximum posiible magnification is about 100 power (if it is like the one in the picture above)

50 times aperture (2 inches)-- 100 power

It will only achieve 50 times if the optics are perfect and the sky is very transparent and stable. Usually only 30-40 times is all you normally get.

Nov 21, 2010 | Bushnell Deep Space 78-9512 (120 x 60mm)...

1 Answer

New bushnell telescope, cant see anything, what am i doing wrong?


Put the lowest power eyepiece in the telescope-- that's the one with the LARGEST number on it.

Go outside and practice focusing on a distant object at least 100 yards away-- turn the focus knob slowly.

Dec 26, 2008 | Bushnell Voyager 78-9945 Telescope

1 Answer

New Telescope


Meade and Celestron both make small goto scopes--

http://www.meade.com/etx_premier/index.html

http://www.universetoday.com/guide-to-space/telescopes/celestron-se/

However can I persuade you to buy a nice PUSHTO Dobsonian like this one--

http://www.telescope.com/control/product/~category_id=dobsonians/~pcategory=telescopes/~product_id=27183

Jan 26, 2008 | Bushnell NorthStar Goto 100mm 788840...

1 Answer

Aiming with the computer


i hav the exact same problem with my bushnell 100 mm makstovut cassgrain check my problem and see if the solution for it works cuz for me it isn't right now.

Aug 09, 2007 | Bushnell NorthStar 78-8890 (300 x 90mm)...

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