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Product description
Wildlife Photography
Manual Lens Feature
Elementary Tools for Astrophotography
Widely Applicable Scenarios
Full Manual Lens- –No electronic contacts—No Auto Focus—Manual Control. Normally switch your camera to M mode will make lens work. for some cameras, you need to setting “Release Shutter W/O Lens ” to Enable on camera menu to make lens work. The camera does not display the aperture value/F00.
Manual Focus SLR Camera Lenses
Use Steps on JINTU Manual Lens
Set the camera to M (Manual) ModeLock the LOCK–OPEN ring on the lens BodyFocus ManuallyTry to Shoot a sample PhotoAdjust the shutter Speed to get good picture quality((if the picture is too dark, set a slower shutter speed, such as 1/250S, 1/200S, 1/150S… until normal;) If The picture is too bright, set a faster shutter speed, such as 1/250S, 1/500S, 1/800S Until normal) 
JINTU 420-800mm Super HD Telephoto Zoom Lenses, Long Range Lens
Focal length: 420-800mm, Aperture range: f8.3-16Minimum focal length: 1.6m to 5.25ftFilter diameter: 67mm, Mini Focus Distance: 4.92ft, Zoom System: Linear Push-Pull, Package size: 27 * 9 * 9cm / 10.6 * 3.5 * 3.5in, Package weight: 1.9LBDesigned for both professionals and novices alikeLong distance telephoto lens . perfect for small or distant subjects, ranging from birds and wildlife, through sports, to aircraft and the like.Users can mount the lens on all types of digital reflex cameras through the universal T-mount. Free T mount adapter Compatible with Canon EF, EF-S SLR cameras.T2-EOS T mount Adapter Compatible with Canon DSLR with EF/EF-S Mount EOS Rebel T1i, T2i, T3, T3i, T4i, T5, T5i, T6, T6i, T6s, T7, T7i, T7s, T8i, SL1, SL2, SL3, 60D, 70D, 77D, 80D, 90D, 50D, 40D, 30D, 5D, 1D, 5D III, 5D IV, 5Ds, 6D, 6D Mark II, 7D, 7D Mark II Digital SLR Cameras420-800mm Telephoto Zoom Lens can be use with Canon Nikon Sony Pentax DSLR/SLR/Mirrorless Cameras, different camera use different T mount adapter, other adapter can buy from our store..
Sample Photos From Buyer 
Wildlife Photography Picture 
Bird Photo
Widely Compatible with Canon Nikon Sony DSLR/SLR/Mirrorless Cameras 
UMC– Ultra Multi Coating
Optical lenses glass imported from Japan, Adopts multi-coated technology to reduce flare and ghost to get vivid color and clear images.
Universal 1/4 Mounting
The base with 1/4 screw down the lens makes wide application on tripod and monopod, also can use a remote and tripod to keep picture stable.
Adjustable Zoom Range
Adjustable from 420mm to 800mm focal range with lock system, set your desired focal length easily.
Package Contents
1x JINTU 420-800mm Telephoto Lens,
1x Front Cap
1x Rear Cap,
1x T2-EOS Adapter Ring for canon,
1x Leather Lens Bag
Q: Why does my camera say “Lens not attached” or unrecognized ?
A: This is a full manual focus lens, no electric contacts, your camera will not detect the lens when mounted, pls switch camera to M mode to work.
Why I can’t press the shutter button when lens mounted ?
Normally switch your camera to M mode will solve this issue, for some cameras, you need to setting “Release W/O Lens ” to Enable on camera menu to make lens work.
Why does my picture out of focus and very blurry ?
Pls rotate the focus ring on the front body of the lens until the subject is in focus , and focus with live-view to achieve accurate focus. Recommend use with a tripod and remote to keep image stable avoid blurry.
Why doesn’t the camera display the aperture value?
Because this is a fully manual telephoto lens without electronic communication with the camera body, where the aperture varies with the focal length. Therefore, the camera body typically cannot display the aperture value.
★ JINTU 420-800mm MF Super HD Telephoto lens, Solid Construction with full metal body, Small size 10.6 x 3.5 x 3.5 inch, lightweight 700g=1.8LB, easy to carry to anywhere.
★ Ultra high definition image quality from Japan, Multi coated low-dispersion glass. Free canon adapter supply. If your camera is Nikon, Pentax, Sony e mount cameras or other brand which can buy it from our store.
★ Compatible with Canon EOS Rebel T1i, T2i, T3, T3i, T4i, T5, T5i, T6, T7, T6i, T6s, T7i, SL1, SL2, 60D, 70D, 77D, 80D, 50D, 40D, 30D, 5D, 1D, 5D III, 5D IV, 5Ds, 6D, 7D, 7D Mark II etc SLR Digital Cameras.
★ Perfect for boyfriend or husband birthday gifts or photographyer. Best choice for small or distant subjects, ranging from birds and wildlife, through sports, to moon etc.
★ NOTE: This is a manual lens, NO auto focus, your camera will show “lens not attach”, but not defect. pls switch to MF MODE in order to use this lens.
$80.00