The Bushnell BAHQRADPT is engineered to fit a wide variety of Bushnell binoculars. These include but are not limited to the following models:From the Forge series, it fits the 8x42, 10x42, and 15x56 models. In the Nitro series, it is compatible with the 10x36 and 10x42 models. For the Prime series, this adapter can be used with the 10x28, 8x32, 8x42, 10x42, and 12x50 models.For the Legend series, it works with the E 8x42, 10x42, L 8x42, 10x42, and M 10x42 models. From the Trophy Xtreme series, this accessory fits the 10x50 and 8x56 models. For the standard Trophy series, it is suitable for the 8x32 and 10x42 models.Lastly, for the Engage series, the adapter is compatible with the 8x42, 10x42, 10x50, and 12x50 models.