With the price of new lenses are more expensive, a lot of us who choose to buy a second-hand lens or lens second hand to save money. Former alternative lens is appealing because the price is relatively cheaper and if we can evaluate the quality of a lens is the former then we can get a second-hand lens is still guaranteed quality.
Some Tips on Buying a Used Lens
1. Buying a second-hand lens is ideal: buy from people you know directly. This can avoid a lot of risk because we know the reputation of our acquaintance earlier. If you buy a second-hand lens of your friends who do not wear the lens before, we can know the history of usage and can try and test it free first. But bro, I hesitate to bargain price with your own? well that must be addressed with the name of maturity Mr and Ms.

2.Even if they had to buy from strangers, try to meet physically. Many feel secure transactions remotely to a transaction value of $ 50  for example. But if you buy a second-hand lens for the motor, I suggest should meet with the seller directly to not buy a cat in a sack. You should check the condition of the optical, mechanical and physical performance of the lens and so on.

3.Bring your laptop when you meet with the seller. For what bring a laptop? So that we can evaluate the image from the lens. Try to attach the lens to your camera and move photos to a laptop so you can zoom up to check for defects, such as autofocus always miss or centering problem.

4.Check the physical condition of optical lenses. You have to check the optical lens and observe if there was mold in the lens, scratches or dust. Types of defects such as this should be visible. Small scratches and dust on the front and back of the lens could be material reasonable bargain. Fungi that are found quite alarming and you should evaluate whether or not easily removed. (Read tips that keep the lens safe from damp and mold)

5.Make sure the lens does not have a centering problem. Try photographing brick walls or objects that have a repetitive pattern. Then observe the quality of the photo, the photo on the right is as good as the photos to the left so the lens does not have a problem centering.

6.Check the physical condition of the body lens: the former usage scratches and defects are common because the lens is a tool to support the work and not decoration, but you can see how the seller treat and care stuff. Observe lens connection, if any visible scars never tried opening the lens to be asked. More serious defects such as lens pentok in the body should be observed because of fears he had fallen. In general, the lens body condition should be used as an estimate pertimbanagn price, lens scars still remain very smooth course more expensive than the former lens that has been scarred by life here and there.

7.Check the blade aperture, try a lens to the camera and change the settings to change the aperture and use the DOF preview button. Then check whether the visible oil or oil marks that appear on the aperture blades inside. Is the aperture blades move freely? (if anyone does not know the aperture blades, she was the metal blades in the lens, pointless as window narrows or widens according your aperture setting).

8.Check the focusing ring and zoom ring. Zoom ring is the part that played for zooming the lens, the focusing ring is rotated to change the part of the focal point when in manual focus. Both should be played smoothly without a hitch. If it was blocked, there may be debris in it is quite worrying because it could be damaging.

9.Check autofocus work. Speed ​​autofocus system relies on the quality of the lens and the camera lens. There are some lenses that are by nature fairly slow to lock focus, but if you buy the lenses are expensive, they should lock the focus with ease and accuracy. Ensure accurate autofocus system and try to check with a single-mode continuous focus.


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