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REDUCED - UPDATED Baader Ha SII OIII High-Speed CMOS Optimized 3.5/4nm Filter Set and Much More - Liquidating My Astrophotography Gear

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For sale is a Baader Ha SII OIII High-Speed CMOS Optimized 3.5/4nm Filter Set. This set is designed for f2 (i.e., Celestron RASA and the like) optics. I have never had an issue with halos with Baader filters.

I am liquidating my astrophotography gear as I am moving exclusively to observation and photometry. Now is a time to get a great deal on any needed gear.

The comprehensive list of gear for sale is as follows:

List of Astrophotography Equipment - Item and Asking Price

Planetary Imaging:

1. QHYCCD QHY5III462c USB 3.0 High Speed Camera with IR/Cut and 850nm Passband Filters $ 135.00

2. Antlia UV/Venue Filter 1.25 inch 135.00 [SOLD]

3. Antlia CH4 Filter 1.25" 125.00 [SOLD]

4. Antlia 685nm Passband Filter 1.25" 25.00 [SOLD]

5. Vixen Flip Mirror Diagonal with Baader 2" SCT Visual Back with Helical Focusers 185.00 [SOLD]

Deep Sky Imaging:

One-Shot Color Cameras

1. ZWO ASI533MC Pro Cooled One-Shot Color Camera $ 485.00 [SOLD]

2. ZWO ASI120MC Non-Cooled Planetary/Guide Camera 75.00

Filters for One-Shot Color

1.ZWO IR Cut Filter 2" 30.00

2. Antlia Tri-Band RBG Ultra Filter 2" 135.00 [SOLD]

3. Optolong L-Pro Filter 2" 145.00

4. IDAS NBZ Nebula Booster 2" 165.00

5. IDAS NB1 Nebula Booster 2" 145.00

Filters for Mono Imaging

4. Antlia SII 4.5nm EDGE Filter 2" (671.6nm) 235.00 [SOLD]

5. Antlia Ha 4.5nm EDGE Filter 2" (656.3nm) 235.00 [SOLD]

6. Antlia OIII 4.5nm EDGE Filter 2" (500.7.3nm) 235.00 [SOLD]

7. Antlia V-Pro LRGB Filter Set 2" (Four Filter Set) 385.00 [SOLD]

8. Baader f2 Ultra High Speed CMOS Optimized Ha, SII and OIII Filter Set (Never Used) 995.00

Filter Wheel

9. ZWO Electronic Filter Wheel (EFW) 5 Position for 2" Filters 235.00


1. Starizona Nexus .75 Reducer/Coma Corrector 2"   335.00

2. Baader Newtonian Multi-Purpose Coma Corrector Mark III 2"   140.00

Equatorial Mount

1. Sky-Watcher EQM-35 Go To Equatorial Mount with SynScan Controller (Never Used) 735.00

Optical Tube Assemblies (OTAs)

1. Celestron C6 with Starizona Rotator and Bob's Knobs (Sale Pending) 400.00  [SOLD]

2. Sky-Watcher Quattro 8 (Heavily Modified - Experimental) in New Pelican Case 550.00

3. Celestron RASA 8 with Starizona Filter Holder, Dew Ring & Shield, ZWO EAF, Case (Pending) 1,600.00

4. Williams Zenithstar 61 First Generation with Gen 1 Flattener in new Pelican Case 350.00  [SOLD]

Focusers and Parts

1. Omegon 2" Focuser for Newtonian 120.00  [SOLD]

2. Baader Click-Lock Visual Back (SCT to Refractor Diagonal) 50.00

3. Miscellaneous parts including nosepieces, 42mm back space couplers Inquire

4. Hotech 2" Self-Centering Camera Adapter 30.00