Specification
Product Details
- Brand: Opteka
- Model: Opt-650-1300-30D
Features
- High-index / low-dispersion optical glass, Fully multi-coated, every element, Anti-reflection coating
- Designed to maximize day and night shots by providing maximum light and image transmission
- Great for the wildlife or nature photographer who wants to be hidden while taking photos of the subject
- Carring bag and lens caps included
- Made and designed in Japan, Brand new, 10 Year Warranty
Product Description
The Opteka 650-1300mm 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 / computer-aided-manufacturing), are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise precision.
Specifications
Zoom Type: Push/Pull (Two-touch)
Focus Modes: Manual Focus
Minimum Focus Distance: 16' (4.9 m)
Angle of View: 3.8 to 2 Degrees
Aperture: f/8-16
Filter Size: 95mm
Max Diameter: 4.1" (105mm)
Length: 18.5" (23.3" at full zoom)
Weight: 4.4 lb (2 kg)
Included Items
~ Opteka High Definition 650-1300mm Super Telephoto Zoom Lens
~ T-Mount Lens Adapter
~ Lens Hood
~ Padded Pouch with Shoulder Strap
~ Front and Rear Lens Caps
Customer Reviews
Most helpful customer reviews
161 of 162 people found the following review helpful.
A good starter lens.
By Harold N. Moore
I used this lens quite a lot before I purchased a Canon 400mm prime lens. Although the Opteka lens is somewhat soft and has some chromatic abberation, the images are quite good if the subject has good contrast. I've used this lens with a 1.4X tele extender as well. The resolving power at 1200mm is about 85-90% that of the Canon 400mm used with a 3X tele extender(giving the same 1200mm). I used a test chart similar to the ISO12233 chart to check the resolving power. Where the Canon shines is that it has next to no color shifts in the shadows or on the edges of images. Small black areas will go deep blue and small bright areas (like an egret against a dark background) will have a litttle blue edge on one side and orange edge on the other with the Opteka, but this not normally noticeable unless the image is blown up. Normal subjects will not usually show the chromatic abberation, except on the edges of an image WHEN BLOWN UP.The focusing on the Opteka is CRITICAL and gets difficult past 900mm, since the light gets prettty low. I made and put a Vernier scale on my lens and got pretty good focus by splitting the slightly out of focus near and far focus distances. I have some excellent hawk and egret images taken with the Opteka 650-1300 mm lens (email me atharold-moore@sbcglobal.net for some images if you like). I also made some cardboard STOPS for this lens which work well. It is not practical to go much beyond F22 because of diffraction. A 2X tele is NOT recommended--F32 at max focal length--because diffraction is becoming significant and will blur the image AND, of course, the focus is very difficult. A high quality 1.4X teleconverter will give you 1800mm at f22 with fair images--but the focus is critical and DIFFICULT. If you learn to focus this lens--gets much more difficult past 650mm--then you can get somepretty good images.The Opteka is a good starter lens IF you cannot afford the Canon or long focal length Tamrons etc. The main advantage of this lens is its very low cost. The Tamron 200-500mm is close to $1000 and the resolving power is similar. I had fun with Opteka lens and now I don't need it since I havepurchased the Canon 400mm (I can stack 3X and 1.4X teles on the canon to get around 1700mm--again the focus is MANUAL and very difficult past 1000mm since the light levels are so very low (on both lenses). I have also put a Vernier scale on my canon, and it is handy for distant birds that are very far away and must be, therefore, shot at 1700mm. This works well IF THEY WILL JUST STAY STILL.The Opteka is about 4 1/2 pounds and takes a litle time setting up on a medium sized tripod--this sized tripod will work satisfactory--although I like my heavier duty tripod with Cullmann ball head. Again thelens is not as sharp as a canon, but similar to that of the Tamron. I compared test chart images of the Opteka at 650mm and my Tamron 70-300mm zoom with a 2X Tamron teleconverter at distances wherethe image was the same size. The Opteka resolved as well as the Tamron, but I had to really get it in focus, which I did with the Vernier scale.
143 of 156 people found the following review helpful.A realistic review
By Ken Sayers
If considering this lense, it is important to be realistic. You can't by a high quality telephoto lense of this size for such a low price. For a good lense of this size a couple of zeroes would need to be added to the price. You will also a need substantial tripod and that will be fairly expensive. You will not be able to get by with the 30 dollar ones, so don't fool yourself. Everything on this lense is manuel. If you are using it on a digital camera as I have on a Canon XTi, none of your automatic features will work. You will have to manuelly zoom, manually focus, and you cannot set the apature at all. The longer you extend the lense the more light will be need, of course, and the poorer the quality. The 2X converter that comes with the package is a nice gesture, but it is really obsolete because the picture quality will be so bad that it is not worth using.Even with all this in mind, the picture quality is my biggest concern. You will be able to zoom in from a far distrance, but picures will be full of noise and muted colors. I can easily tell if pictures have been taken by this lense as opposed to others.Having said all this, I am reasonably happy with the lense because I did not expect perfection at such a low price. The simple fact is, I don't have thousands of dollars to spend on a lense and I do believe the lense is worth the money that it cost.
38 of 40 people found the following review helpful.
Boggles the mind of this amateur
By Aaron Scott
I never expected to be able to afford a lens of this power. When I saw it, I figured at the price, how could I go wrong? (Admittedly, lenses are vastly cheaper than when I purchased the best film-camera I could afford--$600--in '94 and a mere 210mm lens cost as much as the camera.) I live in a rural river valley and the minute this lens arrived I tried it out on the distant hills across the river. WOW!! they look like my backyard and the lens found features my eyes haven't seen in 17 years in this house. A tiny speck on a distant hillside I thought for all these years must be an air-quality monitoring station (it was a rectangular shape, not tall) turned out to be an old water tower made of stone, looking like a castle tower (wish I could show it to y'all). I could see the individual stones. My best binoculars didn't show me this. If you can afford the moderate price, are not a professional (if you've read their reviews, you know they like it but find it less than optimal; but as an amateur, all I know is WOW), then by all means purchase this lens. A guy at work told me yesterday he spent $300 at an "exotic dance bar" night before last and this lens cost less?? And I get more than one night's excitement for the money? And it makes things MILES away visible? BUY IT! If you can afford it, you won't regret the purchase. One caveat? My first photo was WAY bright, and (my camera is quite new to me) not knowing yet how to set the aperture manually (and this is a manual lens), had to set the "film" speed (ISO?) to, like 1600 (3200 might have been better, but I didn't have time to really play with the thing as I'd liked) to get a good, but slightly washed-out, photo. So be prepared to adjust aperture or speed as best as you know how. As I said, I am an amateur. Have fun!
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