Long Focal Length Lens In Tesoooptical

A long focal length lens is a photographic lens that is longer than the focal length of a standard lens. Long focal length lens can be divided into ordinary telephoto lens and super telephoto lens. The focal length of ordinary telephoto lens is close to that of standard lens, while that of super telephoto lens is much larger than that of standard lens. Taking 135 camera as an example, the camera lens with a lens focal length of 85 mm - 300 mm is an ordinary telephoto lens, and those above 300 mm are ultra telephoto lenses. Tesoo, being a professional company of lens, is specialized in lens manufacturing and able to provide qualified products as well as perfect services for customers. If you want to see more long focal length lens such as panorama optical lens 25mm, our websites have many related documents and you can download them. If you want to buy long focal length lens, please contact us.

Types Of Long Focal Length Lens

8mm Lens
The sensor size of 8mm lens is 1/2.7'' and 1/3''. TTL: 7.49/22.89mm. EFL: 8.0mm. F.NO: 2.0/2.6. MBFL: 1.74/7.12mm.

10mm Lens
The sensor size of 10mm camera lens is 1/2'' to 1/3''. TTL: 15.02-22.5mm. EFL: 10-16mm. F.NO: 2.0/4.0/4.8/6.0. MBFL: 2.89-6.30mm.

10.5mm Lens
The sensor size of 10.5mm lens is 1/2'' and 1/2.5''. TTL: 15.02mm. EFL: 10.50mm. F.NO: 4. MBFL: 5.06mm.

12mm Lens
The sensor size of 12mm camera lens is 1/1.7'' to 1/3''. TTL: 15.02-50.4mm. EFL: 8-16mm. F.NO: 1.0/2.0/4.0/4.8/6.0. MBFL: 2.89-7.78mm.

16mm Lens
The sensor size of 16mm camera lens is 1/2'' to 1/3''. TTL: 15.02-22.5mm. EFL: 10-16mm. F.NO: 2.0/4.0/4.8/6.0. MBFL: 2.89-6.30mm.

Panorama Optical Lens 25mm
The sensor size of 25mm camera lens is 1/1.1" to 1/2.3''. TTL: 95.45-110.55mm. EFL: 8-70mm. F.NO: 1.4-16.

35mm CCTV Lens
The sensor size of the 35mm camera lens is 1.1",1" to 2/3". TTL: 95.45-110.55mm. EFL: 8-70mm. F.NO: 1.2-16.

What Does A Long Focal Length Lens Do?

A long focal length lens is a photographic lens that is longer than the focal length of a standard lens. The long focal length lens can capture a detail of a distant scene and become a close-up lens, resulting in the screen effect that the distant scene is moved closer. In science and education films, the use of telephoto lens can absorb wild animals in a hidden distance to avoid animals being disturbed, so as to make the picture look natural and true.

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