5 Things You Need to Check After You Buy a Lens Cover

5 Things You Need to Check After You Buy a Lens

So you have just received a lens for which you were waiting. First thing you should do is to check the mount of a lens and take some sample pictures. But before do so, it may be a good idea to do couple of things that will keep your camera gear clean and will also decrease you frustration level if the lens is defective. The list given below is the things that every photographer do after receiving a lens.

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Examine the lens:

Most of the time, you will purchase a brand new lens. However, there are cases when some retailers will try to sell a used lens as brand new.

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The first thing you should do to examine the lens mount and see if you can find traces of lens use. Normally, you will see dirt on both the lens cap and on the lens mount and you will see some scratches on the metal mount. If everything looks good and there is some clean grease on both the mount and the lens cap, then check the rear lens glass element and make sure it is clean. Next, move to the front of the lens and inspect the front glass element for scratches and dirt. After that, you can use a flashlight to check if there is any dust behind the front lens element. Small pieces of dust are never a problem, but if you see a piece of plastic or another large particle, you should return the lens for replacement right away. Finally, check the lens barrel for damage and scratches.

Recommended Article: 5 Guidelines you must Know before buying a DSLR

Clean the rear mount:

Every new lens that you buy had some grease on the lens mount, which is usual. This grease is added by the manufacturer to allow for smoother mounting / dismounting and to diminish the chance of metal pieces cut-up off when they come in contact with the metal camera mount. However, in some cases there is just too much grease, which can potentially engage the contact between the camera and the lens when the grease gets mixed up with dust and dirt. Sometimes traces of too much grease are apparent even on the rear lens cap.

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If you found that, you should remove the grease from the lens mount. You can do this by using a microfiber cloth. Just put a drop or two of medical alcohol on the cloth, and then softly wipe the rear lens mount and the contacts. Make sure not to touch the rear glass element while doing this.

Protect the lens with a filter:

Use UV filters on every single lens you own for two main reasons; for strengthening and easier cleaning. There were a few cases when you will be glad to use a filter you can manage to protect the lens from scratching several times like if you are walking through intense bushes and woods while exploration for photography. You can replace the scratched filter later, which is cheaper than replacing the lens.

protect-you-lens-with-uv-filter

Some photographers disagree, using filters degrades image quality. That’s indeed true, but this is only for low quality filters. High-quality filters seldom distress the resolving power of lenses.

You should Also Read: Guidelines to Understand Digital Camera Modes

Test the lens:

You have examined, cleaned the lens and protected it with a filter now it is time to get out and start taking pictures Mount the lens and then take it out for a real experiment. Go out for a walk and take pictures. Try focusing from a close distance on your subjects and then take some pictures of subjects from distance, while playing with aperture values.

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Once you get home, go through the pictures and see how you like the results. If it turns out that most of your images are out of focus, you may have a lens with a focus problem. While most manufacturers are strict with their Quality Assurance processes, there are some cases when a lens might need some tuning and calibrating to focus better. Testing your lens for a back or front-focus problem is easy, but you will need to use a tripod and a calibration chart for perfect results.

Correct lens problems:

 Some lenses have problems with too much vignette while others have issues with chromatic aberrations and distortion. The good news is that most lens problems can be deal with in post-processing today. The latest version of Adobe Photoshop Light-room, for example, comes with a cool feature called “Lens Correction“, which automatically fixes distortion, chromatic aberration and vignette issues for known lenses.

If your lens is not supported, you can manually correct those problems in one image, then copy-paste the settings to all other pictures taken with the same lens.

If you're a photographer and looking to check the ranking lens, here is a list of some most popular lens that you can buy and keep your-self up-to-date.

Nikon Nikkor AF-S 24-70mm f/2.8G ED Wide Angle Lens

Nikon AF-S DX Nikkor 18-140mm f/3.5-5.6G ED VR Lens

Olympus M.ZUIKO Digital ED 12-40mm 1:2.8 PRO Lens For Micro Four Thirds

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