Question about Tamron 28-300mm f/3.5-6.3 DI XR for Canon

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Piece of dirt in the lens!

How can I remove the dirt from the inside of my lens?

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Gently tap the lens with a stick and see if the dirt will fall to the side. It may of course migrate back, but as long as it doesn't stick to the lens, it will be out of the way for most pictures when the aperture closes. If it is stuck to the lens, have it professionally cleaned, OR take consulation in the fact that closer dirt is to the "optical center" of a lens, the less effect it has on normal pictures- pictures of bright objects are different though

Posted on Jun 02, 2010

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Posted on Jan 02, 2017

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1 Answer

Dirt under lens


If this is a separate piece that is screwed onto the lens, then you may be able to remove it and carefully remove the material and replace the lens cover.

Aug 01, 2012 | Samsung SL620 Digital Camera

1 Answer

How do I clean my blu ray player?


Hi, Music and game discs collect dust and dirt on their surfaces overtime. This build-up can interfere with the sound and performance of both discs and the player system. Cleaning fluids and cloths will aid in keeping a Blu-ray discs clean, but to clean the lens of the player, some dissembling is required. Below are instructions on how to open up a Blu-ray player and clean the lens on the inside.

Instructions



Things You'll Need:

* Blu-ray player
* Screwdriver
* Lens cleaner
* Cotton swab



Turn Blu-ray player over and remove the edge screws holding the bottom plate onto the drive using a small Philip's head screwdriver. These screws are located opposite each other on the bottom edge and one has a metal piece attached. Remember to reattach the metal piece when replacing screws later.


Remove the bottom two edge screws located near the center of the base and the three screws holding the base plate at the opposite edge from the screws in step 1. Again, one of the edge screws will have a metal piece that goes back in place later.


Extract the motherboard connectors. Once the screws are out, simply lift the lid and pull out the connector. The cable remains connected to the motherboard.


Remove the motherboard by lifting it and turning it to the right to pull out the cable connection. Do not yank the cable out. Grip the end plug firmly to release the cable.


Turn the player back over the right way and remove top cover to unscrew the four sides and one top screw holding the lens cover in place. The lens cover moves to the right so lens is accessible for cleaning.


Use cotton swab dipped in a little lens cleaner and clean the lens using a circular motion. Dry the lens using same motion with other end of the cotton swab.


Reassemble machine by reversing these steps.

Thanks for using fixya........

Jan 07, 2011 | Samsung HTC550 Theater System

1 Answer

There is dust inside the lens. how do I clean the dust from inside the lens?


Your projector needs little maintenance. The only thing you need to do on a regular basis is

to keep the lens clean.

Never remove any parts of the projector except the lamp. Contact your dealer if other parts

need replacing.


Cleaning the lens

Clean the lens whenever you notice dirt or dust on the surface.

• Use a canister of compressed air to remove dust.

• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner

and gently wipe the lens surface.

Never rub the lens with abrasive materials.

Nov 27, 2010 | BenQ MP623 DLP Projector

1 Answer

Camera powers on, lens comes out and then shuts down without the lens coming back in? Whats up?


Hi,
It indicates your lens is getting stuck inside .

First go with hard reset . Remove the batteries and insert new batteries . This in most case works well .If your problem still persists then check for the following :
* Carefully inspect around it for dirt or debris.
If you see any dirt or debris around the lens, use canned air to gently blow it away.
* After removing dirt and debris, turn the camera on and off.

If your problem still continues you need to contact the service center to get your problem solved .

Hope this helps .
Do rate this solution .

Nov 10, 2009 | Samsung S630 Digital Camera

1 Answer

Hi there. Here is what I have my KP61HS10.Every year i clean the it inside and out. Wipe down the screen and mirror lens. I notice that lens has a dirt film inside of it, I did remove it and cleaned it...


Do not attempt this. There are alighnments here that may need to be made.Just clean the dust off the lens surface. Use micro fiber towel or lense cleaning cloth.

Oct 18, 2009 | Sony KP-61HS10 61" Rear Projection...

1 Answer

Dust and dirt removal from Helios objective lens


You will need to remove the mirror and clean it according to these instructions. Then you will need to collimate the scope after you put it back together.

See these two web sites:
http://www.astro-tom.com/tips_and_advice/cleaning_optics.htm#article1

http://www.andysshotglass.com/Collimating.html

Sep 03, 2009 | Optics

1 Answer

Dirt on the inside of the front lense


Hello, I very much doubt that a small piece of dirt on the lens is a problem. It is more likely that your sensor needs to be cleaned. Sensor dirt is more visible at small (f11 to f32) apertures. I expect that you are shooting bright snow with a small aperture & this is why you are seeing the problem. To check, try the following.
Set camera to Av, ISO 100.
take some photos of the sky, a blank wall, or some other featureless surface, as follows:
1 - Set aperture to highest possible f - number.
2 - set aperture to lowest f-number.
3 - repeat 1 with a different lens
4 - repeat 2 with a different lens.

I expect that you will see photo 1 and photo 3 will have identical smudges of dirt on them. Photos 2 and 4 should have no smudges. If this is the case, your problem is dirt on the camera sensor. The only way to fix it is to clean your sensor.

Jan 08, 2009 | Canon Cameras

1 Answer

Nikkor Lens Fix


The fading (flare) you see could simply be a finger smudge or other stuff. One little scratch won't do it, you'd have to take sandpaper to the lens to see obvious flare.

It's actually harder to scratch a modern lens than most people think. When it happens, it's usually during cleaning when a tiny piece of grit is on the surface and gets rubbed in by the cleaning cloth/lens tissue.

So the first step in cleaning a lens surface is to be sure you remove all dust and dirt without rubbing. The lens cleaning kit you can find in any camera store is a start -- it contains a blower brush. With the lens surface to be cleaned facing down (so dust falls away), brush gently with the tips of the bristles to dislodge stuff. Then use the blower to blow it away. Repeat as needed.

If you still see dust and dirt which seems to be stuck on the surface, take a piece of the lens tissue from the kit and put several drops of the cleaning solution on it, enough to get it pretty damp. (Always apply cleaning solution to the tissue or cloth, never drop directly on the lens surface.) Cover the lens surface with the damp tissue, pressing it into the corners, but do not slide the tissue across the surface. Just lift it away. Repeat with another section of tissue.

Then take a full sheet, wad it lightly, and wet it. You are going to rub lightly, using a roll-up motion as you move the tissue so that dust/dirt is lifted away from the surface and fresh tissue is always coming in contact with the surface. Repeat as needed until there isn't any visible stuff.

Final cleaning can be done with a fresh piece of tissue and a bit of mist from your breath. Mist the surface, and lightly polish with the tissue to remove any remaining cleaner residue.

Dec 08, 2008 | Nikon Normal AF Nikkor 50mm f/1.8D...

1 Answer

E18 pops up


An E18 error refers to a problem with the lens. Generally you receive this error if the lens is stuck, which often happens if you drop your camera while the lens is extended or if something like sand or dirt gets inside the lens barrel/gears. Your situation, however, sounds different since the lens seems to extend before giving the E18 error.

If the lens is fully extending before giving the E18 error, you most likely have a problem with the lens sensor located around the O-ring inside your lens barrel... either the sensor itself is damaged or the little plastic piece on the O-Ring that triggers the sensor is broken. If that's the case, there is nothing you can do yourself unless you feel like taking apart the entire camera and finding a replacement piece.

If the lens only comes out a little bit and is not fully extending before giving the E18 error, it sounds like something is making your lens get stuck. If you've recently been to the beach or a park where there is sand, try using a can of compressed air and blow it into the little gaps in the lens barrel... you may be able to blow the sand/dirt out, solving your problem. If the air doesn't work and you feel comfortable taking apart your camera, you can get to the gearbox and manually retract the lens by following my instructions below. Otherwise, I'd suggest a repair shop.

WARNING: TAKING APART YOUR CAMERA VOIDS THE WARRANTY AND CAN BE DANGEROUS! The capacitor that charges the flash can still hold enough voltage to give you a massive shock even when the battery has been removed for some time. Please only attempt to disassemble the camera if you feel comfortable doing so. I accept no liability for anything that happens should you follow my instructions below.

In order to open the camera you will need to remove six screws on the outer casing (2 where the wriststrap ties on, 2 on the opposite side, and 2 on the bottom). After unscrewing all 6 screws, pull the back and front casings off from the bottom out, as there is a clip-hinge on the top next to the shutter button that needs to disengage before you can fully remove the casing. Once the casing is removed, there is one screw holding in the flash apparatus, on the side. Remove it and carefully bend back the metal cage around the flash apparatus and pull it up. The flash will still be attached to the camera with a pair of wires (yellow and black) and a ribbon cable... leave those in place. Please be CAREFUL when handling the flash because the capacitor (the big black thing under the flash) can hold enough voltage to give you a severe shock even with the battery removed. Underneath where the flash was you will see a multi-tiered black piece of plastic... this is the gearbox cover. Remove the three screws from the cover and carefully lift the cover off the gearbox. Inside will be a motor shaft and 4 gears (2 white, 2 black). Remove the BIG black gear closest to the lens. Then temporarily replace the gearbox cover. With the big black gear removed, the lens should freely glide in and out if you push or pull on it. Do this several times in order to clean out any gunk that may have gotten into the grooves of the lens barrel. Then, open up the gearbox, replace the black gear, and screw the gearbox cover back on. Replace the flash into the metal cage and screw it back in. Finally, put the metal outer casing back on the camera and, before screwing it in, try to turn it on. Hopefully it will work again and you can screw everything back in. If not, your problem will require significantly more disassembly.

Apr 02, 2008 | Canon Powershot SD450 / IXUS 55 Digital...

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