Filter Reviews

great for attaching lenses including close up, wide angle and telephoto just a shame it wont come off the camera again,you can also attach a 37mm-43mm step up ring to the adapter for use with 43mm lenses but the step up ring will then not come off the lens so you need one adapter and if like me you buy 43mm lenses you will need a step up ring for each lens, not so easy to get hold of.

I found that this add on was fun for more advanced users, but definately not necessary for you average new digital camera user. Basically, you get a little better resolution and clarity from long range. You are also able to manually focus on images (that is if you are used to doing this, otherwise go with auto). All in all, if you have the money to spend, buy it and use it!

I ordered this lens as part of a 3 part set (2 different lenses and the lens adapter). They are easy to screw on. After that, the experience was poor. Everyone one of the photos, no matter what I tried, was blurry and of poor quality. I phoned and emailed their tech support with specific questions and received responses (phone and mail) that were not helpful. They emailed me support which basically said screw them on and take the picture. It was really a joke. I finally returned them for a refund due to my dissatisfaction. If I'm doing something wrong, I wish I knew as it would be a nice feature for the camera.

This lens works very fine with my Kodak DX4900 camera. it give me total 4x optical zoom and total 12x digital zoom to the camera.
The lens and the lens adapter is little big for the camera. And it takes the cute small look away from it. But I like the new alien looks it bring to my DX4900 :-)

The lens comes with the small leather black casing. It is very useful to store your lens safely when you travel with it.

1. For use this lens correctly, you need to mount it correctly on the lens adapter and the lens adapter on the camera. If you didn't do that correctly you can't take clear pictures.
2. You need to zoom correctly before take the picture and hold the camera extra steady.

I brought this for [a few dollars]- I think it is too expensive for just 2x zoom. And also I had to buy [] a lens adapter too. So my rate is 4 for this lens.
But the lsend work fine for me - and like it!

I bought this teleconverter with a 70-300 sigma lenses and it did not mention anywhere (editorial reviews or specifications) that it is compatible with only a specific number of lenses. But the review for the nikon compatible teleconverter it does so. Make sure before you buy it that it will fit your lenses.

I bought this teleconverter to supplement a 1.4x converter that I already owned. I wanted to try it out with my Canon 200mm 2.8 lens and compare the results to my 400mm 5.6 lens.

The converter is nice and compact, has a good quality feel to it, and seems to work very well. I shot one roll of film with it so far and was very happy with the results.

Remember that you lose 2 shutter stops when using this converter so it should only be used with a fast lens such as a 2.8 or 3.5 etc.

SELLER AND AMAZON HAS GIVEN ME NO HELP ON THIS ORDER. I HAVE BEEN TRYING FOR A MONTH TO RECEIVE THIS ORDER BACK AND FORTH TO SELLER AND AMAZON WITH NO HELP FROM EITHER, I WANT MY MONEY RETURNED

A compact lense that provides the ranges needed in the most common photo opportunities. 28MM wide angle doesn't create the fisheye look like some lenses. The AF zoom does well for the far shots. The mid ranges shots are very good, not perfect (this may have more to do with the AF camera). The weight of the lense does not make focusing or operation of camera any more difficult than a standard 70MM lense. The zoom function is a bit stiff.
This lense is sensitive to shock and banging, so be careful. This is my second lense from Sigma. The first one locked up somehow at 80MM. I don't mean that it's not durable. I've used this lense on my roadtips and on hikes. Jus be careful, it is a zoom lense with moving parts.

The lenses optical does provide good shapeness and color. Focusing is quick and manual focusing is good.

Overall, the features you get for this price is well worth the investment.

I own THREE of these Quadras. These things are more trouble than they are worth!

Although they clean the air, they require VERY frequent and VERY thorough cleaning (NOT because my air is any dirtier that yours either).

Cleaning is required almost weekly, never any longer than 2 weeks, and to clean them thoroughly is VERY DIFFICULT. If they are not cleaned regularly, they become very noisy, making highly irritating static and crackling sounds.

To clean them, I remove the grids, take the remaining cases/enclosures outside, and blow them out thoroughly with compressed air. Then I turn them upside down a few times per the instructions, and then I blow them out some more. And then I wash and dry the grid as the instructions call for. What a PAIN!

Also these things do not come back on automatically after a power failure.

I am sorry I bought them, especially considering how expensive they are.

More like 2.5 stars.

This air purifier is OK, but considering the price as compared to other types of purifiers, it ought to be fantastically special. Originally we used it in a rec room right next to the kitchen. Noticeably less dust collected on the TV screen, and cooking smells disappeared rapidly. On two occasions when smoke filled that end of the house (there are 2 extremely absent-minded people living here, who sometimes forget they're cooking something, and who seem to consider the smoke alarm as a cooking timer), there was just too much in the air for the poor Ionic Breeze to really help. Anyway, after 8 months the IB started to hiss, crackle and pop, although it was cleaned weekly, so it got shut off, never to be used in the rec room again. It was moved into a bedroom where the dog sleeps, and it has done wonders for removing doggy smell. It's hissing and crackling louder than ever, despite all efforts to clean both the wires inside the unit, and the collection plates. But it is still dealing with odors well, so...I'm willing to keep it until I decide to get something else.

I knew that the noises on the IB would show up at some point (just not so early), because a good friend had the same experience with his unit. Although he had warned me, I bought one anyway, thinking "Well, I'm not a slob like you and I'll actually clean mine so I won't have the same problem." How wrong I was.

Sometimes there's a noticeable bleachy smell, but that's a great improvement over noticeable doggy smell.

I only gave it 2.5 stars because although it works (over 1.5 yr now) it's still too expensive. Not a good value.

I have several of the Sharper Images Ionic machines and love them. I got this model first, but recommend the Two Sharper Image Ionic Breeze GP Silent Air Purifiers with UVG lights as a better investment.

I have had several air machines designs to clean the air in the house to cut down on all sorts of indoor pollution. But living in a very old house you have a lot of dust, so most have the filter run out in a matter of 6 to 8 months. If you have any hepa filter types you know this is the same situation as the printers for your computers. You get the printer for next to nothing, but the ink cartridges cost and arm and a leg! Same with hepa filters. IF you can find them. Why is it when you need one, you can never find the one you want?

I now have a total of 5 of these machines in my house and I could not live without them! It's so amazing. You don't hear a noisy fan going like you do with the other filtering machines. They are totally silent. But ever five foot away, you feel the gentle breeze, smell the beautiful air. I notice the cats really love them. They will get in the path of these breeze and just sit there inhaling the lovely smelling air. They have UV lights to help kill germs. I noticed this year, we got through with no flu (first time in 7 years!). No colds.

Now that allergy season is hitting, they are a must. They are a snap to clean. Just take the core out, wipe down and get rid of the nasty uglies that you would have been breathing.

I did have problems with the machines malfunctioning. But Sharper Image quickly replaced them with new ones, they even paid for the return postage. Since replacement, I have had no further problems. I do recommend following directions on maintenance. If have to turn them up and down several times after cleaning. If you don't do this you could end up with problems, but they come with a video explaining everything, so if you don't follow instructions you only have yourself to blame.

I bought one worked for 5 hours. Returned it for another. That worked for a day or so. Crappy, crappy, crappy.

failed after a few months use with my toshiba centrino laptop. targus would not honor warranty because they claimed that the power adapter was not meant to be used with my particular model. can't think of a a more bogus explanation for poor quality.

do yourself a favor and avoid this pricey paperweight. stick with oem equipment

I was taking a flight one day from Los Angeles to D.C. when I noticed that a person in front of me seemed to have 'plugged in' his laptop while on the plane. I asked him how he did that and he pointed out to me that most planes have a power adapter under most seats (usually the first half of the plane only though) and that he had purchased a Targus Auto/Air Power Adapter.

As soon as I landed I went to my local computer store and indeed found this product. I purchased it immediately (I admit I paid more than what Amazon is selling for, though) and used it on my flight back from DC. It was so nice to be able to watch two full length DVDs versus getting through only 90% of one DVD before the battery went dead. Best of all, I don't have to hunt around the airport anymore for an AC plug because as I watch my DVDs on the plane the Targus Auto/Air power adapter charges my laptop for me.

I have a son that was born in July of 2003 (around a year old at the time of this writing) and so the only DVDs I watch anymore are when I go on business trips. It is actually pretty relaxing to fly now that I have this power adapter. I just plug in my laptop, put on my headphones and I am in my own little world (until the flight attendant finally comes by to 'put my seat in the full and upright position').

Thanks Targus for such a simple but useful product.

I bought one worked for 5 hours. Returned it for another. That worked for a day or so. Crappy, crappy, crappy.

failed after a few months use with my toshiba centrino laptop. targus would not honor warranty because they claimed that the power adapter was not meant to be used with my particular model. can't think of a a more bogus explanation for poor quality.

do yourself a favor and avoid this pricey paperweight. stick with oem equipment

I was taking a flight one day from Los Angeles to D.C. when I noticed that a person in front of me seemed to have 'plugged in' his laptop while on the plane. I asked him how he did that and he pointed out to me that most planes have a power adapter under most seats (usually the first half of the plane only though) and that he had purchased a Targus Auto/Air Power Adapter.

As soon as I landed I went to my local computer store and indeed found this product. I purchased it immediately (I admit I paid more than what Amazon is selling for, though) and used it on my flight back from DC. It was so nice to be able to watch two full length DVDs versus getting through only 90% of one DVD before the battery went dead. Best of all, I don't have to hunt around the airport anymore for an AC plug because as I watch my DVDs on the plane the Targus Auto/Air power adapter charges my laptop for me.

I have a son that was born in July of 2003 (around a year old at the time of this writing) and so the only DVDs I watch anymore are when I go on business trips. It is actually pretty relaxing to fly now that I have this power adapter. I just plug in my laptop, put on my headphones and I am in my own little world (until the flight attendant finally comes by to 'put my seat in the full and upright position').

Thanks Targus for such a simple but useful product.

Difficult to use and there are no guidelines as to what aperture or focal length create optimal results.

Center Spot filters are the perfect solution to the problem of background composition. Whether Surrounding area should be of the same color as the subject or of a contrasting color is a matter of personal taste. When the light source is behind the photographer, the center spot filter appears dense. With backlighting, particularly if the light strikes the filter directly, a soft. And glowing effect is produced. The size of the central area also depends on the groove into which the filter is inserted. Filters 060-068 are recommended for focal lengths between 50 and 250 mm, 070-078 for focal lengths between 20 and 40mm.

The picture is nothing spectacular, and the styling is atrocious. The only reason I picked this t.v. up, back in 2001, was because I desperately wanted stereo sound. And guess what? The sound is dreadful; the timbre is more like a transistor radio from the 70s. Actually, the sound is more enhanced when the stereo option is OFF. And forget about the audio integrity when playing a tape or DVD! It just gets worse. I have always trusted Zenith, and will contiue to do so. I'm just going to chalk up this model as an aberration.

For the price, you cannot go better. We had a problem recently however, that made me want to return this TV. The cable jack on this TV just BLEW, and now we have to get cable through our VCR - not even through our DVD player :( - because of this. Now, every time I want to watch something, I have to plug and unplug my speakers into the appropriate location each time I want to do something (let it be Cable on the VCR or games on the TV). But this TV has lasted me a good five years, and for this price, and if they last you this long, they will DEFINATELY get you through college, or any other short-use periods.

This privacy filter is great for an airplane like 3M advertises, but when I'm at home and my laptop is on my desk the person standing behind me can see the screen just as well as I can. I think it is a bit pricy too. If this piece of plastic was around 15 dollars, I'd suggest buying it.