Kenko SGT-20 PRO 37mm 2.0X Telephoto Hi-Resolution Lens Review

I did a comparison of the Kenko SGT-20Hi with the Sony VCL-R2037, and the Kenko had the superior optics. Flare and coma were much smaller in the Kenko SGT-20Hi. Looking at Jupiter at night, the Kenko was able to resolve one of Jupiter's moons to a pixel, while with the Sony the moon appeared only sporadically. Chromatic aberration was a bit less in the Kenko. The vignetting that all the telephoto lenses have when the camcorder is in its wide angle zoom was slightly greater on the Kenko.

With a Sony CCD-TR500 camcorder, some telephoto lenses have a problem of being "near sighted"---unable to focus beyond about 50 feet when the camera is zoomed. This problem occurs with the Sunpak CAL-1160 and Kenko SGT-20 lenses, but is not a problem with Kenko SGT-20Hi or the Sony VCL-R2037 lenses, which have enough leeway in the focus to even accommodate far-spectrum red lights.

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Canon TCDC10 Tele Converter for the S60, S70 & S80 Digital Cameras Review

While, it hasn't changed my life, I have absolutely enjoy using this lens along with my Powershot S70. It's a great tool when it's used as intended. This lens is designed to extend your camera's optical zoom by 2X. This is very useful if you're shooting in Camera RAW. The S70 doesn't enable digital zoom when shooting in RAW. Please keep in mind that this lens is for distance and landscape shots. It's not an alternative to your regular optical zoom. Nor is it for indoor pictures. You should use your regular zoom in these instances. People have commented that using the flash with this lens will create a goofy blur on your photo. This is true. But, you shouldn't be using your flash anyway. When taking a picture of a mountain, the little flash bulb isn't going to help if there isn't enough natural light. So, turn the flash off and try not to wait until nightfall to start taking pictures. You'll find that this is a great lens for those of us who want a little more zoom and are just not ready to swallow the cost of a good DSLR.

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Kenko 2X Teleplus - 4 Element DG Auto Focus-SONY/Minolta Review

Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens it is used with. The Kenko AF Teleplus converter MC4 also has genuine Gate Array IC same as the model MC7 and the computer designed 4-element tele-converter provides incomparable performance in 2x telephoto.







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Sony VCL-DH1758 Tele Conversion Lens for DSCH1 Digital Camera Review

I recently bought this lens for a fuji s100fs camera. It works pretty well on this camera. I had to use a 67-58 step-down adaptor ring for it to adapt on the camera and due to vignetting at the wide angle it is not too useful until I zoom to about 200mm. But from 200-400 it is nice and clear. I have already gotten some real good moon shots with this combination and am looking forward to using it for pictures of birds. It is light enough to not be too heavy on my camera when fully zoomed. It is not advertised for this camera much but it works really well. I think Sony is putting some good glass in these tcons for the money.Fujifilm Finepix S100fs 11.1MP Digital Camera with 14.3x Wide Angle Dual Image Stabilized Optical Zoom

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Canon TL30.5 1.9x Extended MagnificationTeleConverter for ZR 80/85/90 Review

Not enough zoom? Make those distant scenes closer to you by extending your telephoto capabilities with Canon optics by using the 1.9X tele-converter. Never miss a shot again.







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Kenko 2X Teleplus - 7 Element DG- Nikon Auto Focus Review

The Kenko Teleplus MC 7 AF converter has the effect of doubling the focal length of your lens. For example, using the MC 7 AF teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens it is used with. The Kenko Teleplus MC 7 AF converter has the effect of doubling the focal length of your lens. For example, using the MC 7 AF teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm.







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Kenko 2X Teleplus - 7 Element DG- Pentax Auto Focus Review

I've only been using this product for one day but so far I think it's wonderful. As with many amateur photographers I'm on a very tight budget when it comes to gear so I did lots and lots of research before purchasing the MC-7 (2X) teleconverter. What I found after reviewing many images (found on Google) taken with the MC-4 and the MC-7 was that the MC-7 is significantly higher quality than the MC-4 and well worth the extra money.

For the record I'm using my MC-7 on a Pentax K200D with a Tamron AF70-300mm F/4-5.6 Di LD Macro 1:2 (Model A17). With the teleconverter attached my 70-300mm f/4-5.6 becomes a 140-600mm f/8-11. One big advantage to a teleconverter is that it doubles the magnification while keeping the minimum focal distance the same. On my first use this enabled me to take a picture of a dragonfly at about 3 feet and 180mm which filled the entire frame. I've upload this image as a reference. Some detail was lost in the resizing for Amazon.com but you'll get the idea.

Bottom line...this teleconverter does an acceptable job even with a relatively slow lens. If your using a similar lens plan to use a tripod, use auto-focus but fine tune manually, and you may notice some over or under exposure from time to time. You should expect better performance from a faster f/4 or f/2.8 lens. Personally I'm holding out for the yet-to-be-released Tamron SP AF70-200mm F/2.8 Di LD (IF) Macro (Model A001), but that's a story for another time.

Pentax K200D 10.2MP Digital SLR Camera with Shake Reduction 18-55mm f/3.5-5.6 Lens
Tamron AF70-300mm F/4-5.6 Di LD Macro Lens with hood for Pentax DSLR Cameras

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