In this video I compared my new Antlia 3nm OIII Pro Imaging filter with my current ZWO 7nm OIII filter. Since I have an open position on my ZWO EFW, it was very convenient to make a good quality comparison. I hoped and expected the Antlia to perform better since it was 3nm vs. 7nm and I was not disappointed!

The experiment took place on 12-29-22 around 9 pm. I collected nine 5-minute subs of IC 410 using the ZWO OIII filter but only kept seven. I then switched to the Antlia OIII filter where I again collected nine 5-minute subs but kept eight. The temperature of the ZWO ASI1600 was set at -20 degrees C. No post processing was done on any of the images.

Links:
Antlia 3nm OIII Pro Imaging 1.25in/31mm $300
[ Ссылка ]

ZWO 7nm OIII 1.25in/31mm $129
[ Ссылка ]

Astrodon 3nm OIII 1.25in/31mm $682
[ Ссылка ]

Chroma 3nm OIII 1.25in/31mm $575
[ Ссылка ]

Baader 4nm OIII 1.25in/31mm $285
[ Ссылка ]

Optolong 6.5nm OIII 1.25in/31mm $159
[ Ссылка ]

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