Guide :Optics : NorthStar 78-8890 (300 x 90mm) Telescope

Lens Fogging Issue

I appoligize for entering the wrong product info but i cant find anybody to ask about this fogging issue im having. maybe some of the fixes will work for this type of scope. Hoping to get some help with an issue with a Bushnell Sportview scope i just mounted on my .22. After picking up some mounting rings,i noticed that after looking through the scope it was no clear. so i cleaned both outter lenses with a cloth i use on my 35mm camera lenses. then i noticed that both inner lenes were fogged up. so i unscrewed each one, cleaned, replaced and did the same to the other. i am still not ab

Research, Knowledge and Information :

Lens Fogging - GoPro

If you are using the camera with a housing in an environment where lens is fogging up during use, we offer Anti-Fog Inserts designed specifically to alleviate this issue.
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To those who have tried Vive pre: Is lens fogging an issue ...

Earlier HMDs (e.g. Rift DK2) had issues with the lens sometimes fogging up. Is that also an issue with the Vive?
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Solved: Issues Re: Lens Fogging and Unit Failure in Humid ...

Solved: In Nov. 2015 I went on a Carribbean cruise with my new PowerShot SX610HS. There was quite a difference in ambient temps going from air
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ILLUM - Condensation / Lens Fogging – Lytro Support

Condensation in the lens is a potential issue that is normal and expected if the camera is taken from a cool area (an air-conditioned...
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Lens fogging - Digital Photography Review

Curious what people do to keep a lens from fogging up especially when going from inside where there is AC ... This is an issue in ... Lens fogging ...
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Sony Xperia Z2 camera phone lens fogging issue! | Elliott's ...

I sent this to Sony executives in my frustration to canned responses and terrible customer service from Sony. My Xperia Z2 which cost $715.00, lens...
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Racing Jackets Vented Lenses Fogging Issues | Oakley Forum

Hi I'm blind as a bat without specs so my prescription Racing Jackets are pretty important when I'm mountain biking. Despite having vented lenses...
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The Anti fog solution — Oculus

Hello everyone. I've been noticing that my lenses fog up a ton on my Gear VR, and I know many of you have the same problem.
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Solving The Problem Of Fogged Eyewear In Hot Weather

From construction workers to first responders to welders, dealing with fogged eyewear is incredibly frustrating. Lens fogging is also a significant safety issue.
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Scleral lens fogging - Laserfit Scleral Contact Lens

Many things can cause scleral lens fogging after several hours of use. We studied many hundreds of OCT images of scleral lenses to diagnose the cause of fog
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Suggested Questions And Answer :

Lens Fogging Issue

Apparently this is NOT a waterproof rifle scope. I would return it as you will have this same problem only worse out in the field. Buy a waterproof nitrogen filled rifle scope.
Read More At : NorthStar 78-8890 (300 x 90mm) Telescope...

Sotfware "Autostar" support (With Telescop LX200ACF)

The objects are updated using the Autostar Suite software ver.5.5 on the Meade web site (free).Here-
Read More At : LX200GPS Telescope...

I have an issue on my meade ET90 AT. I have a motor failure message after the telescope try to find a star. Now when I turn on I received a message from the autostar to press 0 or mode in both case it start the test motor and appear the message Motor fault. I change the batteries but it doesn't change the result. When I turn on and I received the message "0 or press mode" if I try to push the arrows button the telescope move right and left but no up and down. I called the meade customer service and after 30 seconds they told me to bring the telescope to their repair center. Thanks

Try this.1. Do a RESET on the hand controller.2. Reenter your Site, Date, and Time.3. Calibrate MotorsNow see if that fixed it. If not it will need to be returned to Meade because a gear or circuit is broken inside the scope.
Read More At : ETX90AT Maksutov Telescope with UHTC (cat35140321)...

Cannot focus a Meade Refractor "Electronic Digital" series

All of Meade's manuals are listed here-- it outside during the day time-- put the eyepiece with the LARGEST number written on it into the telescope--- this is the LOWEST magnification.Point it at a distant object and practice focusing-- the moon should be your first night time object.
Read More At : Polaris 285 (225 x 60mm) Telescope...

How do i reset the headset on my bushnell northstar telescope

Http:// power on the handset using the mythology button.
Read More At : NorthStar 78-8846 (675 x 114mm) Telescope...

Aligning NorthStar For The First Time

Read More At : 78-9669 Telescope...

I have the same Telescope and am looking for lenses

If the opening is about 1 inch then you need eyepieces that are .965 inch -- The common sizes are .965, 1.25 , and 2 inch. .965 eyepieces are available for purchase on Ebay and here:
Read More At : Luminova 40060660 (660 x 60mm) Telescope...

Hello, I have Bushnell Northstar 78-8831 telescope which I got from United States (New York) last year. Since the very first day, I am not able to get the option of "Align Start 1" After selecting Align Earth option, it directly goes to "Align start2". As a result, I am not able to align the planetary positions and manually align the telescope everytime. Can you please advise? Regards, Gaurav

This can be caused by many things-- such as dirt or grease on the encoders inside or a slipping clutch. I know you just bought this telescope, but Bushnell is NOT KNOWN for having quality telescopes.To get the goto to work everything must be according to the manual.The tripod needs to be perfectly level-- time, date, and site must be accurate, and the alignment objects must each be centered in the eyepiece. Sounds like you also have electronic issues with the hand controller. Only Bushnell can repair this scope.
Read More At : NorthStar 78-8831 (525 x 76mm) Telescope...

Fieldvision 114 mm reflector instruction manual

This scope is made in China and is the same as the Konus, my advice is find a close astronomy club and the guys there will be more then glad to help you set it up.and use it.MAKSUTOV-CASSEGRAIN TELESCOPE D=90MMF=1200 MMf/13.3 MULTI-COATED OPTICS
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Hi, My Mead ETX-90EC Astro Telescope Has Never Been Able To Focus From Day 1 I Purchased The Telescope NEW I Replace The Batteries Twice, Still No Results I Can See The Moon But Its Very-Very Blurry Where Can I Find A Repair Service. I Live In New York Thank You, James S. [email protected]

There is a tiny setscrew on this side of the focus knob. Make sure it is tight or the knob will just spin around the shaft.
Read More At : ETX-90EC (325 x 90mm) Telescope...

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