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Opteka 500mm f/8 Preset Telephoto Lens for Canon EOS / EF SLR Cameras | 
| Brand: Opteka
List Price: $139.95
Buy New: $89.95
You Save: $50.00 (36%)
Rating:  1 reviews
Media: Electronics
Shipping Weight (lbs): 2
Dimensions (in): 20 x 2 x 2
MPN: 50687
UPC: 084438998924
EAN: 0084438998924
ASIN: B0007SVCL6
Availability: Usually ships in 3-4 business days
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| Features:
| • | Included: Soft lens pouch, Front and Rear Lens Caps, T-Mount Adapter, 10 Year Warranty | | • | This lens gives you the equivalent of looking through a pair of 10x power binoculars, Manual preset diaphragm, rotating tripod mounting collar | | • | Fully Multi-coated, exotic anti-reflection coatings, latest in computer-aided-design / computer-aided-manufacturing, Diamond-cut from crystal-clear, water-white optical glass | | • | Made in Japan | | • | 10 Year Warranty |
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| Editorial Reviews:
Product Description
A Opteka High Definition 500mm preset telephoto lens is great for nature and sports photography. The amazing power of this lens gives you the equivalent of looking through a pair of 10x power binoculars. It has a manual preset diaphragm, a rotating tripod mounting collar and a soft lens pouch. Because all Opteka lenses are designed and manufactured with the highest possible degree of consistency, you can swap lenses mid-shoot with no discernable variation in color or effect. The unprecedented purity, color saturation and repeatability of Opteka lenses virtually eliminate the need for lab color timing corrections caused by other lenses. This puts more creative control where it belongs, in your hands. Angle of View: 5 , Minimum Focus Distance: 33 ft. Focus Modes: Manual focus Minimum Aperture: f/8.0 Maximum Aperture: f/32.0, Filter Size: 67mm
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| Customer Reviews:
Decent for your Dollar March 9, 2006
Mercedes Schmidt (Albuquerque, NM USA)
34 out of 35 found this review helpful
First know this: This lens is NOT specifically engineered for any particular camera. Mine was sold with an adapter for K-Mount Pentax, but that is the *only* difference you're going to get.
Reviews for this particular Opteka lens are nearly non-existant, so I figured I'd write one up.
I got mine new online for only $84.95, and I'm glad I didn't pay more. This thing isn't by any means what is described in the product description. It's basically what you'd imagine getting for $100 new. It can't be good, can it?
Well, it depends on what else you've used. Having used much higher quality lenses, it's hard to go backward. I bought this with the ambition of doing a little astrophotography (moon). For this purpose, I guess I can deal with it. And, it only was about $100.
My qualms reside in the quality conrol issues. You can't just rotate the focus to infinity with this if you want infinity, because the markings are off. The aperture ring on my copy seems to be broken: the part that is "snappy" doesn't change the aperture, this loose, unmarked second ring below it does. The whole thing is a little loose where the supplied adapter connects to the camera body. It just feels cheap. Also, it says "Made in Korea" on the lens although it is supposed to be manufactured in Japan.
The T-Mount adapter supplied with mine makes the lens screw on so that the focusing and aperture numbers face the right side of the camera, instead of being in plain sight on top.
So, if you want sharp, crisp images, this isn't your lens. If you're just looking for something to experiment with, this is a pretty cheap way to do it.
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