#1  
Old 22-12-2020, 09:50 AM
MarkInSpace (Mark)
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Thank you, Zwo!!! :)

A few months ago, I purchased a ZWO filter drawer and 2 42mm filter holders for my 2” filters.
I ordered direct from ZWO and I received the items in about 10 days. So far so good.
Unfortunately, the drawers did not fit light tight. Light could leak in from the gap where the edge of the filter abuts the drawer. I was surprised and disappointed.
My solution was to make a little light shield that I could easily place over the drawer mechanism. Not beautiful, but it worked.
A month ago I read in cloudy nights that I was not alone with this problem, and it was caused by a batch of drawers not made to spec.
I emailed ZWO and told them my problem.
About a week later I received a very nice email from zwo apologising for the issue and offered to immediately send me replacements! Great!
Last week I was notified the drawers were shipped and yesterday they arrived.
The value of great customer service should never be undervalued!!

Here’s a picture of the faulty drawer (left) and the new drawer (right)
Notice the correct drawer has a small lip on the edge of the top rim and a triangular notch taken out of the corners in the middle of the body.
The notches make inserting the drawer much easier. I’ll post the results of the new light tight test tonight!
Thanks ZWO for the great service!!
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Last edited by MarkInSpace; 22-12-2020 at 12:52 PM.
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  #2  
Old 22-12-2020, 01:58 PM
garymck (Gary)
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Just checked my filter drawers and they don't have the triangular notch on them. Guess I'll have to contact ZWO :-(

cheers
Gary
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  #3  
Old 22-12-2020, 03:52 PM
Zuts
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Quote:
Originally Posted by garymck View Post
Just checked my filter drawers and they don't have the triangular notch on them. Guess I'll have to contact ZWO :-(

cheers
Gary
Now everyone will want one
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  #4  
Old 24-12-2020, 10:20 AM
garymck (Gary)
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I've got the problem too. Thought it was something I was doing wrong. See images. Image one is with the filter draw, see the diagonal light strip with enough light coming in to illuminate crap on the IR filter. Image 2 is completely flat - the filter drawer was covered with 3 layers of duct tape.

I've contacted ZWO, and am awaiting resolution.

cheers
Gary
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  #5  
Old 25-12-2020, 08:59 AM
MarkInSpace (Mark)
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Good luck, Gary!!
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  #6  
Old 27-12-2020, 08:05 AM
Craig_
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Interesting. My filter drawer looks like your 'bad' one and I can't say I've noticed any light leaks with it. What would be a good way to test?
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  #7  
Old 31-12-2020, 03:44 PM
garymck (Gary)
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Quote:
Originally Posted by MarkInSpace View Post
Good luck, Gary!!
Well no luck with ZWO. Th imgages I posted earlier were not enough for them. They wanted pictures of the gap that caused the light leak. No way I can see to take a pictures of it... I sent them pics of the filter drawers as well so they could examine them, again not enough.

EDIT: after further communication they finally agreed to replace the faulty items so noow I am happy.

cheers
Gary

Last edited by garymck; 01-01-2021 at 06:34 AM. Reason: Further info
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