Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount

Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount

Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount

B&H # OPT420800 MFR # OPT420800
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Product Highlights

  • T-Mount Lens/Full-Frame Format
  • Aperture Range: f/8.3-16
  • HD Super Multi-Coated Optics
  • Manual Focus Design
  • Built-In Rotating Tripod Mount
  • Integrated Lens Hood
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Opteka 420-800mm f/8.3 overview

  • 1Description

A versatile lens for photographing distant subjects, the 420-800mm f/8.3 HD Telephoto Zoom from Opteka features a convenient threaded T-mount for adapting to a wide variety of camera types. Its 4 elements, 2 groups optical design features a super HD multi-coating, and a lens hood is incorporated into the design, to suppress lens flare, ghosting, and surface reflections for increased contrast and color neutrality when working in strong lighting conditions. Manual focus operation is possible and a built-in rotating tripod mount enables sturdy mounting of the lens to a tripod or monopod as well as seamless switching between shooting orientations.

This lens is compatible with full-frame and smaller-sized sensors and features a threaded T-mount, which is compatible with a variety of optional adapters for mounting to various camera mounts.
Super HD multi-coated optics and lens hood help to reduce lens flare and ghosting for increased contrast and color fidelity.
Two-touch, push-pull zoom design with an integrated zoom lock to secure the zoom position in place while shooting.
Built-in rotating tripod mount for simple attachment of this lens on a tripod or monopod, and the rotating design permits quickly changing from vertical to horizontal shooting orientations.
UPC: 813789017684
In the Box
Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount
  • Front and Rear Lens Caps
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Opteka 420-800mm f/8.3 specs

    Focal Length 420 to 800mm
    Aperture Maximum: f/8.3 to 16
    Camera Mount Type T-Mount (T-Thread)
    Format Compatibility 35mm Film / Full-Frame Digital Sensor
    Minimum Focus Distance 5.25' / 1.6 m
    Optical Design 4 Elements in 2 Groups
    Autofocus No
    Tripod Collar Yes Fixed - rotating
    Filter Thread Front: 62 mm
    Weight 1.14 lb / 520 g
    Packaging Info
    Package Weight 2.0 lb
    Box Dimensions (LxWxH) 11.0 x 3.6 x 3.3"

    Opteka 420-800mm f/8.3 reviews

    420-800mm f/8.3 HD Telephoto Zoom Lens for T Mount is rated 3.3 out of 5 by 3.
    Rated 5 out of 5 by from A lens of a different flavor A lens of a different flavor. Unless your camera can shoot with manual lenses, this one may not work for you. My D7100 CAN shoot with manual lenses, and do so very well. This one was an obvious choice. It is also best to get the longer (250mm) mounting rail to support it and the camera. While a decent choice for wildlife photography, it can, with a 2x converter get you the moon. Many factors come together that may limit resolution, Atmospheric water vapor and pollution are your biggest enemies. However you still get good printable images in spite of that which requires respectable quality glass and/or high index plastics in the construction of the lens(es). The zoom aspect requires you to loosen the knurled collar in the middle. And the foot rotates in a machined grove in the lens tube- You can rotate the position, but you really cannot and should not try move the foot longitudinally on the barrel. At full extension, because your focus ring is at the end of the lens, Live View is probably your best bet when trying to focus this lens. Also setting Shutter delay is a good idea as well, as this much weight will tend to bounce for a second or two.
    Date published: 2017-08-21
    Rated 2 out of 5 by from Cheap and useless �˜��� Low quality of images. Hard to focus far objects, even with tripod. I have a Canon rebel T6s with 18-135mm lens who is able to see better.
    Date published: 2018-05-30
    Rated 3 out of 5 by from Len excellent, clean not This len is very funtionally but in my case was dirty inside make my photos dirty and if must clean, how can make this?
    Date published: 2018-02-01
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