20 Mar 2019
For Sale Celestron 1.25" UHC/LPR Filter
in Filters by equifire
I used this filter to reduce the effects of light pollution in my area. However I find lately I haven't been using i...
04 Apr 2019
Wanted Heuib-ii QRO
in Filters by Cancington42
i’m looking for the heuib-ii QRO. I just talked to idas and they were discontinued last year. If anyone has one at 52...
19 May 2019
For Sale ZWO LRGB 36 mm filters
in Filters by gatsbyiv
I bought a ZWO camera on astromart, but I already have a set of 36mm filters, so I don't need these. 30% off new pri...
18 Jun 2019
For Sale ZWO EFW Mini 5 position filter wheel
in Filters by reddog1972
Hello - I'm selling my second ZWO EFW mini 5 position electronic filter wheel in excellent condition with original bo...
29 Jun 2019
Updated: 09 Jul 2019
in Filters by jeffr40
Orion #05514 "Color Filter Set, Basic, 1.25", set of four planetary color filters, one each yellow, green, blue and r...
10 Oct 2017
Updated: 12 Oct 2017
in Filters by JRT3
The glass is in great condition with a few dust particles. I never bothered to clean it as I didn't want to risk dama...
15 Oct 2017
For Sale Hutech 2" IDAS LPS filter
in Filters by richard hoyt
I just recently sold my telescope so i am now selling my filters and eyepieces. This filter comes with box and will i...
17 Dec 2019
Wanted Lumicon UHC 1.25" filter
in Filters by Dominic
Hi, I.m looking for that filter in very good condition. Show me what you got! I'm living in Quebec, Canada. thanks
07 Jan 2020
in Filters by davela
I am selling one Celestron Number 8 eyepiece filter (1.25" fit) with original box and case in excellent condition (ha...
13 Mar 2018
in Filters by Venturous1
For sale is an unused Astronomik 12nm Hydrogen Beta CCD clip filter for Canon EOS cameras. I bought this a while ago,...
06 Apr 2018
For Sale New ZWO LRGB filters 1.25 inch
in Filters by mistateo
Hey everyone, I have a set of the New ZWO LRGB filters for sale. They are in very good condition, and have only been...
07 Dec 2018
For Sale Zhumell 2 inch UHC filter.
in Filters by mak77
a Zhumell 2 inch UHC with box, Filter in excellent condition, clean glass and ring. $52 shipped. ConUS sale. Thanks f...
31 May 2019
Wanted WTB: Lumicon 2" OIII filter
in Filters by PJ Anway
Looking for a Lumicon 2" OIII filter. If you have one to sell, please respond with condition and price.
11 Jun 2017
Updated: 01 Jul 2017
in Filters by James Bielaga
I have one Celestron 1.25" Polarizing filter with case. I can ship in USA for $1.00 Canada for a little more. I can...
18 Jun 2017
in Filters by Paul Schroeder
I'm looking for a Questar off-axis solar filter, the one that threads onto the end of a Questar 3.5 (see attached pho...
21 Aug 2019
Updated: 21 Aug 2019
in Filters by BigBanger
For sale by original owner. This is the 1.25" model. Very lightly used (3-5 times) and in excellent condition. Optica...
13 Nov 2017
in Filters by Galen Gilmore
Hello, I am looking for a used Orion Skyglow 2" Imaging filter.
25 Jan 2018
For Sale ZWO 31mm Narrowband Filters
in Filters by aashish
New unopened ZWO 31mm Narrowband filters for sale. Retails for 425$. Yours for 350$. PayPal only. Add 3%.
02 Jan 2020
Updated: 03 Jan 2020
in Filters by collaredkeeper
Hello all, I am selling an Astrodon 36mm unmounted 3nm narrowband filter set. I am not looking to split them up for...
30 Sep 2018
Updated: 30 Sep 2018
For Sale Lumicon 1.25" UHC Filter
in Filters by GNDC
I'm listing the filters I don't use. I mainly use my DSLR by itself now a days. Good condition, a little dust, but th...
16 Jun 2019
Updated: 17 Jun 2019
in Filters by FC-100N
These are a few extras that have always been gently kept. Just don't need them right now.All Celestron filters are fr...
23 Jun 2019
in Filters by Bioorganick
Looking to buy a good h-alpha filter. 2” only
31 Aug 2017
in Filters by ckk
1) Baader 2" Narrowband H-Alpha Filter 7nm part no.2458384 in excellent condition. Hard case has some minor scratches...
03 Sep 2019
For Sale zwo 1.25 lrgb filter set
in Filters by msalcone
Have a set of zwo 1.25" LRGB filters used a couple nights In perfect working condition - just have no use for them...