1, photosensitive speed: the photosensitive speed of photosensitive adhesive refers to the speed of changing imaging after exposure. The photosensitive speed of photosensitive adhesive is measured by ISO value. The higher the ISO value, the faster the photosensitive speed. Tian Ling photosensitive adhesive 2800 has a high ISO value and is suitable for weak light environment, while Tian Ling photosensitive adhesive 2900 has a low ISO value and is suitable for strong light environment.

2. Color and particle size: The color and particle size of photosensitive adhesive will also be different. These factors will affect the color saturation, detail and texture of photos. The specific differences vary from manufacturer to product line. You can refer to the product description or user evaluation to understand the specific differences.

3. Applicable scenes: Due to the different characteristics of photosensitive adhesive, it is suitable for different shooting scenes and styles. Tian Ling Photosensitive Glue 2800 is suitable for shooting in low light conditions, such as indoor or night shooting, with higher exposure latitude and details. Tian Ling Photosensitive Glue 2900 is more suitable for outdoor shooting scenes with bright sunshine, which can present a more vivid contrast effect.