HD, super multicoated glass optics for the sharper images
4 Elements in 2 groups
Rotating tripod mount
Includes 420-800mm Lens, 2x Teleconverter, Carrying bag, and lens caps included
The ultimate super-telephoto zoom lens.
For photographers seeking the ultimate super-telephoto zoom lens, the Opteka 420-800mm HD II delivers unrivaled consistency, long range performance and image quality in the most demanding situations. An advanced lens that draws peak performance from D-SLRs, it's an ideal choice for photographers who want to keep their gear cost to a minimum while on super-telephoto assignments.
The Opteka 420-800mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod. It's an extremely powerful telephoto zoom lens with the versatility that you need. This lens is great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject. Advances in ultra high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-design are combined to produce lenses of unprecedented quality. The included Opteka 2X Teleconverter effectively doubles your zoom converting this lens to a 420-1600mm super telephoto!
Specifications Zoom Type: Push/Pull (Two-touch) Focus Mode: Manual Focus Minimum Focus Distance: 5.25' (1.6 m) Aperture: f/8.3-16 Filter Size: 62mm Length: 8.75" (11.85" at full zoom) Weight: 18.3 oz (520 g)
Included Items ~ Opteka High Definition 420-800mm Super Telephoto Zoom Lens ~ Opteka 2x teleconverter ~ T-Mount Lens Adapter ~ Lens Hood ~ Padded Pouch ~ Front & Rear Lens Caps
Most Helpful Customer Reviews
I bought this for Pentax K3. This is really the 420-800mm lens with an included 2x teleconverter. The problem with this is that if you want to get the extremes of the zoom, you effectively have to change lenses. I could have seen what it was had I zoomed into the photo on the product description, and I encourage you to do that. I normally keep a 1.7x teleconverter on my camera, because it helps keep dust off the sensor.
Good points: lightweight, very fine focus (you have to turn it a lot to focus at a very different distance, which means fine control over focus at a specific object). Focus is stiff, so it holds its focus if you let go for a moment, but it makes it more difficult to focus accurately and finely.
Evidently, the Pentax is able to detect the focal length, and the in-camera image stabilization worked very well. If your camera is one the brands that depends on the lens for image stabilization, forget this lens.
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Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!
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