Thank you very much for viewing! ◡̈ ♦︎Brand: CHIZEHO ♦︎Model Name: CT12 B2 ♦︎Optical Tube Length: 400 mm ♦︎Objective Lens Diameter: 70 mm [70mm diameter multi-coated objective lens provides a bright and clear view] The CHIZEHO telescope incorporates a 70mm large-aperture objective lens, expanding the light-gathering area and increasing light transmission through multi-coating, making images brighter and clearer. (At the same brightness, the CT12 telescope provides a 20% brighter and clearer view compared to other products.) [By combining a focal length of 400mm with eyepieces of different parameters, you can freely select different magnifications] The CT12 telescope has a focal length of 400mm and combines three types of eyepieces: H20mm/H12.5mm/H6mm, and a 5x Barlow lens, providing magnifications from 20x to 333x. You can observe cityscapes, planets, and other details more closely. [A stable and adjustable aluminum alloy tripod provides the most comfortable viewing angle] This aluminum tripod has three height adjustments (41cm/81cm/134cm) and also comes with a 20cm riser. From children to adults, you can adjust your telescope to the optimal height. [Various optical accessories make observing with a telescope more enjoyable] The moon lens and solar observation filter film can be used to provide different observation effects for the moon and the sun, respectively. Furthermore, by using a smartphone holder, you can take beautiful photos anytime, anywhere, and share them with family and friends through social media. ※As a product for children and beginners, a detailed Japanese assembly manual is included, minimizing the difficulty of use.