ASAHI PENTAX 49mm Y2 Camera Lens Yellow Filter Brand, Manufacturer: Pentax (ASAHI PENTAX) Product Name: Black and White Photography Contrast Enhancement Filter (Y2) 49mm Glass Material Made in Japan Fast Shipping Size: φ49mm Weight: Approximately 10 grams (body only) Contents: Body x 1. Material: Glass, metal, etc. As shown in the photos, it comes with a case. There are minor stains that do not appear in the photos. I am not familiar with cameras, so I may not be able to answer specialized questions. Please understand this beforehand. #ASAHI #PENTAX #49mm #Y2 #Camera Lens Filter #Lens Filter