Celestron Foamex Dew Shield for 6" & 8" Schmidt Cassegrain Telescopes Except NexStar GPS.

SKU: CNDSFC8

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Questions & Answers

KATSUHIDE M : What is the power requirement and type of cable I need?Shopper : This is, in fact, just a shield. It is NON-heated and used NO electricity.JOHN I : This one isn't poweredANDREW R : I don't believe that this unit uses any electricity.
eddie t : will this fit an orion xt8???CHARLES R : I've got mine on an 8" SCT scope which has an outer diameter of 9.25". The Velcro on the inside is about 2" wide, so there's room to play with either way. Hope this helps.RON S : You would need to check the specs...I have a Celestron and it fits perfectly...I assume the specs for the two instruments are available...outside diameter of two 8" Schmidt Cassegrain scopes should not be fundamentally different.
BRIAN H : Why doesn't this fit the Nexstar GPS model and is there an alternative that does?SEAN H : This dew shield is not necessarily only for SCTs. It will fit an 8" Newtonian or 8" Dobsonian assuming there is about 1.5 inches of clearance at the objective end of the OTA. However, any scope that has a dovetail or secondary mirror or any other hardware that encroaches into the last 1.5 inches of the OTA, this dew shield won't be able to sit properly on it. The NexStar GPS 8 has two arms or struts along the length of the optical tube assembly. These extend to within maybe a half an inch of the objective end. The dew shield would have to wrap around those and would not sit or grip properly (trust me, I've tried it on other scopes). I can't tell from the images, but unless you could slide the dew shield underneath those struts, it would fall off as soon as you slew to a certain angle or the wind blew moderately.

Reviews about this item

Review Summary

2019-06-29T11:32:36

Rated 5 out of 5

Great Dew Shield

Has been working great for me. Low profile and easy to store.

David B.

2016-10-10T10:18:00

Rated 5 out of 5

Does what it is suppose to do.

Just used the dew shield last week and it did what it was designed for. It is inexpensive and it works. I recommend it.

Robert H.

2014-10-18T21:00:00

Rated 4 out of 5

Tips & Clarifications

A few things you should know before buying: This dew shield will REDUCE dew. It will not prevent it. However, it's a great combination with a dew heater strip, especially if you have a dew heater controller with a temperature sensor that reduces the voltage when the tube is already x degrees above ambient. I have not encountered this problem yet, but I would predict this is not a good item to use in anything above moderate winds. It will exacerbate the mounts movement by acting like a sail. A little light pollution is easier to remove or ignore than scope shake. Do not attempt to wrap this around your tube and fasten the hook and loop. This will put stress on your mount, and the flexure will prevent a uniform joining. Instead, make the dew shield into a tube and then slide it on to your OTA. There's enough padding that you can be off by and bit and it will still fit snugly. It's best to store this shield flat. That should ensure that you don't get any inward distortion if you leave it rolled and something rests against it causing it to deform. The logo & brand name stickers will fall off almost immediately. I'm not sure why Celestron even bothers sticking them on there. The hook and loop strips don't seem all that great, but I've yet to have an issue with it coming undone.

Sean H.

2014-05-19T21:00:00

Rated 5 out of 5

Best dew shield available

One of the major problems I have had with flexible dew shields is the slippage that is caused because the shield is prohibited from going far up enough on the OTA by the dovetail. The notch on the DS sold by Adorama is the perfection solution.

tsandbek

2013-10-21T21:00:00

Rated 5 out of 5

Celestron Dew Shield

Works like it is supposed to and fits my 8se like a glove. I had it out this morning (4-6am) in pretty high humidity and absolutely no dew on the corrector plate. It also serves the function of blocking the local street lights :) Adorama was very fast processing/delivering my order.

Jeff

2013-09-30T21:00:00

Rated 5 out of 5

Portable, effective, & reasonably priced

This shield fits perfectly on my Celestron 8" EdgeHD, and on one recent humid night when I had the scope out for an hour and a half, it kept the dew off the corrector lens, even though the shield itself got very dewey. I previously borrowed a metal dew shield, which worked just as well, but took up more room in my car. This flexible, collapsible design is definitely an advantage when storage space is at a premium. It's also helpful as a light shield.

ARTHUR R.

2013-07-22T21:00:00

Rated 5 out of 5

Does what it says

I use this on a Celestron C8. Fits and works great. Have only used it for a max of about three hours - not all night - but no dew problem.

WILLIAM H.

2013-02-04T19:00:00

Rated 5 out of 5

Helpful

Keeping front dry

EDDIE W.

2012-07-08T21:00:00

Rated 5 out of 5

Dew SHield

This product extended my time outside to over an hour and a half.

guitarman

2011-09-03T21:00:00

Rated 5 out of 5

Very Good Product.

I own a nexstar 8se and this product fits my scope very well and keeps dew from building up on the collector plate, I would definitely recommend this product.

Jeffg

2011-01-20T19:00:00

Rated 4 out of 5

Does what it is supposed to

This is a sturdy shield with padding on the inside to grip the telescope. Has a cut out for the bracket found on the side of my Celestron. Fit was perfect.It helped cut out light from nearby houses. It was a good purchase.

TIM S.

2010-05-17T21:00:00

Rated 5 out of 5

Excellent Dew- Light shield

Got this from Adorama for a Nexstar 8se. Fits perfect. Very well made, looks good on my scope. Got it to cut out stray light.[...] Highly reccomend Adorama.

Rusty G.

2008-08-25T21:00:00

Rated 5 out of 5

A great item

I got this for my nexstar 8se and it's just great. It does two equally important things. First this scope is a schmidt-casseagrain design, which means that it has a corrector plate at the front of the tube. This plate cools faster than the air around it which will cause fogging. The dew shield slows this process down. Second, it acts as a light shield, which improves contrast.

gigas

2007-09-25T21:00:00

Rated 4 out of 5

Good quality product and does the job.

This product is well made and very sturdy. with the velcro strip it attaches to the end of my Celestron cpc8XLT-GPS" scope with no problem and in seconds and holds tight.besides keeping dew off the mirrors it also shields from stray light. It should be the first and last time I should have to purchuse one!

Tommy H.

2007-02-06T19:00:00

Rated 4 out of 5

Works well with my OTA

Smooth on line transaction

Angler557

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2 Accessories for Celestron Foamex Dew Shield for 6" & 8" Schmidt Cassegrain Telescopes Except NexStar GPS.

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About Celestron Foamex Dew Shield

FEATURED REVIEWS

Great Dew Shield

By David B.

Has been working great for me. Low profile and easy to store.

Does what it is suppose to do.

By Robert H.

Just used the dew shield last week and it did what it was designed for. It is inexpensive and it works. I recommend it.

Celestron also offers a complete line of rugged, but soft Foamex plastic lens shades that can be put away flat after usage. They use a thicker material and won't crack easily as other manufacturer's products do. The quality level is a step above all others as all material is sewn (not glued in some places) for a long life.