ProMaster 49mm - 80A Filter #4010 - The Camera Company
Antares Set of (4) 2in Color filters #11, #21, #80A, #ND25 - KW Telescope
Tiffen 55Mm 80A Filter | Lazada PH
TPO #80A Medium Blue Filter & Case - 2" | OPT Telescopes
Bresser | EXPLORE SCIENTIFIC Filter 2" Blue No.80A | Expand Your Horizon
car graveyard, 80A filter | Kodak Ektachrome Infrared (ISO 1… | Flickr
Tiffen 52mm 80A Color Conversion Filter 5280A B&H Photo Video
Astro Essentials 1.25" #80A Medium Blue Filter | First Light Optics
Hoya blue filter 80A 55mm Made in Japan Color Conversion Filter. | eBay
Astro Essentials 2" #80A Medium Blue Filter | First Light Optics
Cokin P Series P020 Blue 80A Filter – Cambrian Photography
High Quality Optical Glass 80A Filter Made in Japan 62mm Regent Kood
I went looking for examples and searched 80A filter and found very little on the main sub. So here is Velvia 100 with an 80A filter including a comparison at the end.
80A Color Conversion Screw-In Filter - 5880A – The Tiffen Company
Castell #80A Blue Planetary Filter 30% Transmission
How to Use Presets and Filters
Cokin Z-Pro Series 80A Light Balancing Filter CZ020 B&H Photo
80A Blue and #38A Dark Blue filters best for viewing Jupiter! - Vendor and Group Announcements - Cloudy Nights