JiaSifu 40x60 High Definition Monocular Telescope with Smartphone Adapter, BAK4 Prism FMC Monocular with Clear Low Light Vision for Wildlife Hunting Camping Travelling（LD006-00A-PD1

The JiaSifu 40x60 High Definition Monocular Telescope with Smartphone Adapter is marketed as a device that can capture clear, high-quality images of wildlife, making it perfect for hunting, camping or travelling. However, numerous negative reviews suggest that the product does not live up to its promises. Customers have reported that the monocular does not deliver clear, sharp images as advertised, and that it has a limited magnification capacity of 10x, rather than the promised 40x. Some people have also found it difficult to line up their phone with the device to take pictures. While the smartphone attachment is said to be snug and functional, the grainy images produced when using the phone's zoom function have been noted as disappointing. Overall, customers have reported poor quality and value for the high price point of $150.