When it comes to photo engraving, the choice of wood significantly impacts the quality of the final image. Here are some of the best types of wood for photo engraving:

• Birch: Birch plywood is ideal for laser engraving because of its smooth surface and fine grain. It produces a high level of detail, making it perfect for intricate images.
• Maple: Hard maple has a light color and fine texture that allows for excellent contrast in engraved images. Its durability also makes it suitable for various projects.
• Cherry: Cherry wood has a rich, warm color that ages beautifully over time. It also engraves well, offering good detail and depth, which enhances the contrast of photographs.
• Pine: Softwood like pine can be used for photo engraving, although results can vary. Its knots and grain patterns can sometimes add character, but may also detract from clarity.
• Walnut: Walnut provides a dark backdrop that contrasts beautifully with lighter engravings. It is known for its rich color and texture.

Ultimately, the best wood type depends on the desired aesthetic and the intricacies of the image being engraved.