This 420-800mm f/8.3-16 Super Telephoto Zoom Lens is and incorporates not only computer optical design, but also the latest optical multi-coating techniques.
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. The process of multi-coating assures virtually flare free photographs even under adverse lighting conditions resulting in crisp, high contrast pictures.

Features:

. 420-800mm f/8.3-16 Manual Telephoto Zoom Lens.

. Manual Focus Telephoto Zoom Lens to use with DSLR SLR Cameras.

. Multi Coated low-dispersion glass, anti-reflection coating.

. Create High Quality Images.

. Comes with Lens Pouch and Protective Caps.

. T2 T mount adapter ring is included, just choose the right adapter ring when you make order then we will send the adapter ring together with the lens .

Specifications:

. Lens Type: Manual

. Optical Construction: 4 Elements in 2 Groups

. Aperture Range: 8.3-16

. Focal length: 420-800mm

. Zoom System: Linear push-pull

. Minimum Focusing Distance: 1.6m / 5.25ft

. Filter diameter: 67mm

. Package size: 27 x 8.5 x 8.5cm

. Package Weight: 930g

How to use :

1.put the lens to your camera body with the adapter ring

2.set the camera to M model because this is a manual lens, you have to adjust the aperture and focal length to make focus .Note: when put the lens to some Nikon cameras, it will appear: no lens attached ,then you just need to set in the camera menu: Release Shutter without lens (shutter lock option: NO LENS),then you can use the lens to take pictures

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