Lumicon Filters # 80A blue 2''
Amazon.com: Lumicon 2" #80A Blue Filter : Electronics
Cokin X-Pro 020 80A (Blue) Color Conversion Resin Filter CX020
Tokina 55mm 80A Light Balancing Filter - Accessory
Hoya 80A Filter | Free shipping w/ $25 Purchase – Hoya Filters
Castell #80A Blue Planetary Filter 30% Transmission
Filter 80A for night street photos? | I Shoot Film | Flickr
Wratten 80A Filter, M72, multi-coated, metal mount - WITTNER FILM
Lumicon 2 Inch #80A Light Blue Color Filter - Camera Concepts & Telescope Solutions
Heliopan | 55mm 80A KB15 Circular Cooling Filter | 705525
Tiffen 58mm 80A Filter 5880A - Adorama
Amazon.com : Hoya 62mm 80A Tungsten to Daylight Conversion Glass Filter : Camera Lens Color Correction And Compensation Filters : Electronics
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.
Hoya Filter 80A 62mm
Sunpak 49mm 80A Filter
80A Color Conversion Screw-In Filter - 5880A – The Tiffen Company
LEE Filters Color Temperature (CT) Polyester SET-POLY-CLRTMP B&H
Lumicon Blue #80A 48mm Filter (Fits 2" Eyepieces) LF2070 B&H
58mm Vivitar 80A Filter - Blue Color Correction - NEW | eBay
Tiffen 4 x 5.65" 80A Color Conversion Filter 4565080A B&H Photo
Formatt Hitech 4 x 4" 80A Color Conversion Filter BF 4-CTC80A4
Heliopan 67mm 80A Cooling Filter KB15 706725 - Adorama
Choosing a Color/Planetary Filter
File:80a comparison.jpg - Wikimedia Commons
58mm Hoya 80A Filter - BLUE Color Correction - NEW | eBay
Amazon.com : Tiffen 52mm 80A Filter : Camera Lens Filters : Electronics
62mm PROMASTER (HOYA) 80A Filter - Blue Color Correction - NEW 18208022373 | eBay
ProMaster 72mm - 80A Filter #4787 - YM Camera
