Contact Lenses Search Results

How To: Clean the camera contacts on a DSLR

When the camera has trouble auto focusing the first step to take is to clean the contacts on the lens. If it continues then the contacts on the camera may need cleaning. When you clean the contacts in the camera you have to be extremely careful because they are inside the shutter chamber and there are a lot of small parts that can be easily broken in there. Face the camera down at all times during the cleaning procedure. Take the battery out of the camera and remove the lens. Put the rear cap...

How To: Buy a used or second-hand camera lens

First of all you have to search for a reputed dealer. Then ask him all necessary questions like what sort of lenses shall fit in your camera, what shall be the size of the lens to fit in your camera. If you are going to purchase it online then you have to ask whether the surface of the lens is scratched and marked in any way. Make sure that three is no mould or scratches on the lenses. You can also hold the lens towards the sun or a light source. Do not hold it directly against the sun. Now y...

How To: Use an old flash on a new digital camera

Old camera equipment like flashes and lenses are often praised by modern photographers, but getting them integrated into new digital photography setups can be a challenge. This video will show you some tips for using old flashes with new digital cameras, including a great trick for making your digital camera recognize the flash by covering one specific contact. Don't get a new flash, use an old one with the skills you learn in this video.

How To: Protect your camera lens

This video shows us the method to protect your lens. This can be done by putting the lens caps. The cap for the part of lens going into the camera can be screwed on to the lens. It stops dust from getting on to the lens surface. The front part of the lens can be protected by a lens cap which can be put into the position and pulled out when needed. You can also put a filter on the lens. The filter can be used to protect the lens in case you drop it in the sand and any other similar condition. ...

How To: Change lenses on a camcorder

Make sure you have the appropriate lens for your digital camera. Look for markers on the lens that correspond with any mark on the camera body. Different brands have different markers. Some have square dots while some have red dots. Line these marks In one hand, hold your camera body firmly pointing to you. While holding it, push the lens button. Firmly hold the bottom of the lens (where the lens meets the camera body), and twist. Some cameras let you twist clockwise, others counterclockwise....

How To: Use automatic lens correction in Adobe Photoshop CS5

Whether you're new to Adobe Photoshop or a seasoned graphic design professional after a general overview of CS5's most vital new features, you're sure to be well served by this official video tutorial from the folks at Adobe TV. In it, you'll learn how to automatically correct lens distortions and fix chromatic aberration and vignetting with Photoshop CS5 and Photoshop CS5 Extended, which use an image file’s EXIF data to make precise adjustments based on the type of camera and lens you used.

How To: Tilt-shift photography to create a miniature effect

Kipkay from Make Magazine shows us how to create a photographic illusion, making things look smaller than they really are with tilt-shift photography. Materials needed include rubber plunger, an oversized lens, a plastic body cap, a single lens (or digital single lens) camera, a hot glue gun, a sanding file, and a disposable object for a plastic backing, such as a VHS tape case. With this great tutorial and a little work, create the illusion of a miniaturized world with this photographic tech...

How To: Never Use a Scanner Again — Copy Text Straight from a Book or Document with Google Assistant's Lens

While certainly faster than writing by hand, manually typing passages from a book or document can be slow and frustrating. But thanks to Google Assistant, this is no longer the case. Whether you need to quote text for an essay or need to win an online argument, all you need to do is point your phone's camera at the paper and tap a few times.

How To: Export LinkedIn contacts to an address book

In this Computers & Programming video tutorial you are going to learn how to export LinkedIn contacts to an address book. LinkedIn is great for keeping your contacts in your professional network. To export your contacts go to home page and click on ‘contacts’. Now your full network of contacts will be displayed. On the right hand bottom, click on ‘export contacts’. On the next page select where you want to export the contacts, type in the security code and hit ‘export’ and all the contacts wi...

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