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02 Apr 2017

Updated: 03 Apr 2017

Views: 778


For Sale 2" O-III : ugly but cheap

in Filters by Tim A.

This O-III filter is ugly, but amazingly still does the job!I got it from a CN member some five years ago or so. It w...

10 Jul 2019

Views: 95


For Sale 1.25" filters: (9) colour, (3) ND, in cases. [+ observing hint]

in Filters by LarryManuel

Set of (12) 1.25" threaded filters. None are multi-coated in any way. (9) colour ones:#11,#15,#21,#23A,#56,#58,#61,#8...

15 Jul 2017

Views: 258



in Filters by Xing

For sale is the ultimate filter set. Astrdon LRGB and 5nm 65mm square filters for very big CCD chips like 16803It is...

12 Apr 2019

Updated: 13 Apr 2019

Views: 136


For Sale Celestron JAPAN LPR Filter for SCT rear cell MINTY $69 shipped

in Filters by 042611

Celestron Japan-made LPR (Light Pollution Reduction) Filter, threads onto rear cell of SCTs. Only a few tiny marks on...

28 Jun 2019

Updated: 29 Jun 2019

Views: 118


For Sale 6 Inch Glass Solar Filter

in Filters by NikonMike

6 Inch inside diameter Glass Solar Filter great condition, glass is clean and no scratches or imperfections Metal hou...

10 Oct 2019

Views: 91


For Sale Solar Filter for 8" Celestron CPC

in Filters by docnroz

For Sale: Used ~ but works perfectly. Celestron brand #94128 Solar Filter to fit 8" Schmidt. ( Silver reflective Myla...

29 Dec 2017

Updated: 30 Dec 2017

Views: 243


For Sale IDAS LPS-V4 Narrowband Nebula Filter - 52mm

in Filters by DJE44

Selling a NEVER USED light pollution filter from Hutech. IDAS LPS-V4 Narrowband Nebula Filter - 52mm screw on This...

10 Aug 2019

Views: 70


For Sale Astronomik Clear filter 1.25"

in Filters by Astrojedi

New unused 1.25" Astronomik clear filter for focusing. Parfocal with other Astronomik filters. Asking $30 shipped wi...

24 Jul 2018

Updated: 28 Jul 2018

Views: 228


For Sale Hasselblad 95mm UV-Sky and Circular Polarizer filters. *PRICE LOWERED*

in Filters by vonuscyg

For those of you who shoot astrophotography with your Hasselblads, I've got a few very mint, like-new Hasselblad 95mm...

22 Feb 2018

Views: 196


For Sale Filter Ha H-alpha clip eos XL full frame Optolong 12nm

in Filters by SunBlack

Almost impossible to find. Used 3 times. 190 usd firm + Shipment by registered (16 usd) or unregistered letter (12 us...

09 Mar 2019

Views: 132


For Sale Lumicon IR Blocking Filter

in Filters by docent

Lumicon IR Blocking filter in excellent condition. Sells new for $199, and I'm only asking $75.

03 Oct 2019

Views: 60


For Sale Meade #905 Variable Polarizing Moon Filter 1.25"

in Filters by scopehed

Excellent condition, comes with both caps. Rotate the thumbscrew to achieve light transmission between 5% and 25% of...

08 Aug 2019

Updated: 08 Aug 2019

Views: 69


For Sale 2" IR photometric filter (reduced)

in Filters by Gary Hug

2" Schuler Photometric Filter used but in good condition. Seller pays shipping in CONUS. PayPal please add 3%.

06 Sep 2017

Updated: 05 Mar 2018

Views: 918


For Sale Lumicon Filters For Sale - Brand New

in Filters by Starcat1231

Hello,I have the following Filters up for sale:Type: FilterBrand: LumiconPicture 1Item 1: Minus Violet 1.25" Brand Ne...

10 Sep 2019

Updated: 10 Sep 2019

Views: 118


For Sale 2" Orion Sky Glow Astrophotography Imaging Filter

in Filters by lionheartHC

A+ condition, no longer have my AP rig so I have no use for the filter. Works great. $100 shipped, I'll cover paypal...

08 Apr 2018

Updated: 10 Apr 2018

Views: 283


For Sale Baader Planetarium Narrow 1.25" Mounted band set

in Filters by Strawb

Set of three narrow band filters OIII8.5nm, Ha 7 nm and SII 8nm filters for sale in excellent condition I have change...

29 Jul 2018

Views: 256


For Sale Galileo fileter wheel

in Filters by onefatguyseti

Selling off My Galileo filter wheel. Its seen better days but cosmetically its fine. It has thumbscrew scars on the 1...

23 Sep 2018

Views: 214


For Sale Lumicon Deep Sky Filter / #23A / #47 1.25" Filters

in Filters by PowerM3

Hi I have 1.25" Lumicon Deep Sky, #23A Light Red, #47 Purple filters in great shape. Made in Japan. Glass has a bit o...

17 Jan 2019

Updated: 18 Feb 2019

Views: 195


For Sale Orion Skyglow SCT filter-$50

in Filters by john strnck

orion skyglow SCT filter- LOWER PRICE ! i mainly used this for DSO imaging to increase exposure time, and viewing so...

26 Jun 2019

Views: 112


For Sale IDAS LPS-D1 Filter

in Filters by mmalik

IDAS LPS-D1 Filter; in pristine condition.

24 Oct 2018

Views: 141


For Sale Solomark Solar filter

in Filters by visuallearner

Solomark solor filter, Fits 94mm OD. Asking $25 OBO shipping and paypal included. Thanks for looking!

07 Sep 2017

Updated: 27 Dec 2017

Views: 947


For Sale Orion Filters For Sale - Like Brand New

in Filters by Starcat1231

Hello,I have the following Filters up for sale:Type: FilterBrand: OrionPicture 1Item 1: V-Block 2" Like New (New Pric...

20 Jan 2019

Updated: 22 Jan 2019

Views: 144


For Sale Astronomik 6nm Ha clip filter for Canon EOS

in Filters by betelgeuse91

For sale is an Astronomik 6nm Ha clip filter for Canon EOS APS-C. There are some dust and a little speckle but minor...

20 May 2017

Views: 457


For Sale Astrodon 36 mm Narrowband Filters

in Filters by hgstratmann

Set of four 36 mm Astrodon narrowband filters. All are in excellent condition. The filters/prices are: 1. H-alpha 5...

13 Aug 2019

Updated: 21 Aug 2019

Views: 139


For Sale Astronomik 1.25" CLS filters

in Filters by BigBanger

For sale by original owner. They are very lightly used and in excellent condition. I'm selling them as a pair as I b...

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