value of a vivitar zoom lens 503 50 2139

Sony now redefines the lens, with a clear vision of the future. Soaring creative ideals demand a new approach to lens technology. Winning landscape images from AmateurPhotographerof the Year 2016 A small amount of diffraction causes a small loss of detail.Full text of ' Amateur Photographer September 24, 2016' 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.

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.

Value of a vivitar zoom lens 503 50 2139