Moon Filter Advice Please

[PaulG]

Hi everyone

When the Moon is visible (not very much at the mo), it's very bright.

This has got me looking at Moon filters.

Do i need to look at neutral density type ?

I have seen figures like 13% & 25%

Not sure what to look at as the Moon's brightness varies so much.

Then I came across a Antares variable filter 2%-40% which seemed a good idea.

Do you use a variable or fixed filter design.

Paul

[Astroman]

I use a variable polarizing filter. It works great!

[thing]

I use a 13% neutral density. Works great too! You'll get snowblind if you look at a big Moon for long periods (with a biggish, fast scope) without a filter.

[PhillyDee]

Im curious as to what the moon filter is in this set. Its says neutral density, but does not say a percentage. I have this set and it can still blind me with that filter.

[jgs001]

I have one of these or just use a bright camping lantern for seeing what I'm doing.

[DanDare]

Wish I'd gone for a variable as I find it too bright even with my ND filter.

[peeceeTal2M]

I'd go for the variable polarised filter Paul, well worth the extra money in my opinion. I've used one for ages and found it a lot better than the non polarising types.

[scotastro]

Paul G

Definitely get the variable filter - it works really well even on the full moon.

Plus you can use it to reduce the dazzle of Venus so the phase is easier to see.

Scotastro

[Andrew*]

Hi Paul,

I have this filter, which in fact does what it says it does and I don't have any complaints with it - an incredibly clever and useful filter. If you want, I could sell it to you as I don't really need/use it. PM me.

Andrew

[peeceeTal2M]

PM sent andrew

[saturn5]

Im curious as to what the moon filter is in this set. Its says neutral density, but does not say a percentage. I have this set and it can still blind me with that filter.

I think the moon filter in your set is 18%.

http://www.telescopeplanet.co.uk/ViewProdDetails.asp?prod_code=PON05H000051

[PaulG]

Thanks everyone for the replies it really helps when you’re as green as me.

Dandare – point taken thanks.

AstroPhethean – appreciate the offer, I’m not in a position right now to buy. If you have a chance to sell in the mean time then please go ahead if not I’ll keep you in mind.

It makes sense now after reading your replies to opt for a variable filter. If I opt for a fixed filter then I feel it’s going to be too bright or not bright enough. I have found a variable filter with a twin lens design. One lens fits in the diagonal and the other lens fits in the eyepiece, so to adjust the filtering all you have to do is twist the eyepiece for the best view. This sounds like a good system, Antares make one and I’ve seen that Astro Engineering also make one with or without the diagonal. So when I have saved my pennies I now know what I have to choose from. Paul