58MM 0.43x Altura Photo Professional HD Wide Angle Lens w/ Macro Portion for Canon EOS Rebel (T6s T6i T5i T5 T4i T3i T3 SL1 1100D 700D 650D 600D 550D 300D 100D 60D 7D 5D 70D)

So what do you get for 28 bucks? I am a pro and thought i would give this a try before i go and drop 5 large on a real wide angle lens. The Good: Pretty nice glass for the money, in the pic with the wire rim of my readers the glass is pretty clear, better than i expected for the money for the macro only part. Given you are putting another layer of glass between your subject and the sensor i could see using this now and again. It did mess with the AF a little so I switched to MF and simply moved the camera closer till i got the focus point I wanted. Doesnt take a lot of light away. As for the wide angle, well its ok. If I zoom up a little to get rid of the vignetting it seems to have mostly a usable area but...... Now for the Bad: The focus drops off severely around the outer edges and there is some color aberrations to contend with along the edges as well. My pics have un-cropped/uncorrected, cropped/uncorrected, useable cropped/uncorrected, un-cropped/corrected at the 18-55 and finally un-cropped/corrected using the canon 8mm correction in adobe PS CS6. You can judge for yourself. As a pro I will toss this in the bag and I could see using it in an unrestrained crop situation but its usefulness is limited at 16:9 crop. Like I said, for 28 bucks what the hell, the macro works pretty well, the glass is great for the money and it could come in handy in some situations.

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Bottom Line: This is an add-on lens, meaning it attaches to an existing lens to augment its focal length. If you are on a budget, new to photography, and do not mind chromatic aberrations and vignetting, get this. You can enjoy it with limitation. If you have $100+ to spend buy a true fisheye lens and you will get 45%+ more image than this. Pros: Adds some wide angle perspective to your images but its not the 0.43x it claims. If I understand that correctly then it should make my 18mm lens into a 7.7mm lense, however, I have a 6.5mm lens and its not even close. My real fisheye gets 45% more image. See images for a comparison against a 6.5mm fisheye wide angle lens. Macro works but is limited. For the price Im okay with the limitations. I will use it. Some reviewers said the build quality is bad, but I dropped mine almost 4 feet on tile flooring and there was no damage. Seems solid to me. Cons: -Wide angle is NOT as much as it claims. If I understand the 0.43x correctly then it should make my 18mm lens into a 7.7mm lense, however, I have a 6.5mm lens and its not even close. See images for a comparison against a 6.5mm fisheye wide angle lens. the lens causes chromatic aberrations. -Heavy vignetting in the corners. You can literally see the edges of the lens in the image anywhere under 24mm. You can crop the image to remove the vignetting but then you end up losing a lot of the image. -Chromatic aberration

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I used a Nikon D5500 w/ the 17-55mm Kit Lens. I didnt want to at first buy an actual wide angle lens and bought this for more of the experience of how would it look through my shots from a kit lens. I had a bad experience with this in terms of spinning it down the threads of my lens, the wide angle adapter would then be stuck also for when i do want to remove it from my lens. The shots I would take itself would be a hit or miss in good pics or bad and that would really matter too since in photography, each second counts during each shot. I wouldnt want to wake up extra early to catch the sunrise and the shots I got had major vignetting or wasnt focused due to the threading wasnt on all the way. PROs: - You get that wide angle feel from a regular lens. - Good concept, as if it was like those wide angles for phones. - You can also spin off the wide angle and have a macro glass CONs: - Threading would get stuck and sometimes you would be stuck from trying to figure a way to remove it off the lenses you attach it to - Vignetting is strong here, zoom in to adjust - Sometimes my camera wont focus through the wide angle so, i had to manual focus.

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Pretty good. It is NOT its own lense, it goes on existing lenses (58mm). But it works pretty well, making a standard or telephoto lense into a wide angle, and the price is really good. BE CAREFUL, though. Do NOT use auto focus with this extension as you can break your autofocus motor. Do NOT be zoomed all the way in, be at about half way zoomed out if not using on a fixed/prime lens.

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I filled the frame of a foto horizontally and measured the width of the object and the distance from the camera to the object I could calculate the view angle, via trigonometry. Where d = camera to object distance & W = Width of object & w = W/2 View angle = 2*(arctan (w/d)) Fotos of tape measure & shed do not give expected results. Foto FocalLength Field Width Obj.Distance ViewAngle # mm mm mm degrees Tape 6 24x0.43=10 522 334 76 Tape 8 50x0.43=21. 245 334 40 Shed 9 24x0.43 3062 1146 106 Shed 10 50x0.43 3062 2905 56 Horizontal View angle for 12 mm lens = 111 ° & for 20mm = 82°. Help! I am doing something wrong. TIA

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