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1. Value of a vivitar zoom lens 503 50 2139 how to#
2. Value of a vivitar zoom lens 503 50 2139 manual#
3. Value of a vivitar zoom lens 503 50 2139 full#
4. Value of a vivitar zoom lens 503 50 2139 series#

Value of a vivitar zoom lens 503 50 2139 manual#

While special manual focus aided viewfinder screens are available for a few EOS bodies, in most cases you Using the standard EOS viewfinder screen, since it has no focus aids (like a split imageĬenter). Many people have trouble accurately focusing Shooting aperture before the shot is taken.įocusing the lens is another issue.

Value of a vivitar zoom lens 503 50 2139 full#

That means that the lens isįirst focused at full aperture (for maximum accuracy), then manually stopped down to the When a mechanical iris lens is mounted on an EOS body, stop down metering must be used.

Value of a vivitar zoom lens 503 50 2139 series#

The EOS lens interface is fully electronic and Canon EOS EF and EF-S series lenses are stopped down via electrical signals from the camera For almost all manual focus lenses, this stopping down during exposure is accomplished mechanically via a lever which is moved as the cameras mirror flips up. This gives aīrighter viewfinder image and makes focusing easier and more accurate. Just before exposure, then it stops down for the exposure and opens up again. In addition you don't get any sort of automatic iris operation.Īt full aperture, and if you set the aperture to, say, f11, it remains fully open until Of course you don't get autofocus, nor do you get any sort of focus confirmation unless you use a special adapter with built in electronics. The answer is a qualified "yes" in manyĬases. Left:Bower fisheye manual focus Center: Vivitar 85/1.4 manual focus Right: Zeiss 21/2.8 manual focusĪ common question from Canon EOS owners is whether older manual focus lenses from other manufacturersĬan be used with a Canon EOS body. A small amount of diffraction causes a small loss of detail.Using Manual Focus Lenses on Canon EOS bodies Can't see any improvement in sharpness from f/8. f/2.8 - The entire image is soft with chromatic aberration.That makes this is a good lens to walk around and work with. The lens is about 100g (3.5oz) lighter than 105mm alternatives. If you focus by moving the camera, there won't be any problems. If you use the focus ring to focus, it is slow because of the amount of rotation needed.

I also shoot still life so I don't have to worry about my subjects moving.įor those of you shoot insects or small animals, the focus ring could be an issue. For macro, I set the magnification I want and move the camera to focus. I was using the lens on a Nikon D750 and was impressed with the photo quality.

It also is only a couple cm shorter than the 105mm macro lenses I have tested. Usage & Working DistanceĪt 12.7cm (5"), the working distance for the Vivitar 90mm f/2.8 macro is 2.7cm longer than the Tamron 90mm f/2.8 SP Di.

The easiest way would be an adapter with a tripod collar built-in. If you intend to adapt the lens to a mirrorless body, make sure to support the lens when it is fully extended. Modern macro lenses are designed with floating elements that do not need as much extension to achieve 1:1 magnification. Newer lenses can have more complex optical designs which do not require as much lens extension.įocus at infinity my Nikon F mount version is 10.8cm (4.25") tall. Magnification is done through lens extension.

Value of a vivitar zoom lens 503 50 2139 how to#

Regreasing the helicoid would help, but I don't know how to disassemble the lens. The aperture ring feels inconsistent in resistance. Unfortunately, on my copy of the lens, the grease in the helicoid has begun to dry out. Even moderate changes in focus distance means cranking on the focus ring. There is over 900 degrees of travel in the focus ring. There are half stops between the marked apertures, except between f/16 and f/22.Īll of the numbers and text on the lens have been engraved and then painted. I do not believe that it is nickel-plated brass. I'm not sure if the mount is stainless, nickel, or some other metal. With the exception of the bayonet mount, the lens is all aluminum. Machining was kept to a minimum, in order to keep the original price lower than first-party lenses. The lens is two aluminum tubes joined by a helicoid. Build Quality, Design, and Sample Variationīuild quality is mediocre at best.