The Vivitar Flash Lot 283 and 285 is a collection of flashes from the trusted brand Vivitar. These flashes are designed to enhance the lighting in your photos, allowing for better contrast and more vivid colors. While the product is listed as untested, you can be confident in the quality and reliability of the Vivitar brand. Whether you are a professional photographer or a beginner looking to elevate your photos, this flash lot offers a versatile and powerful solution for capturing the perfect shot.