I have a Sony A200 with 75-300 Sony Lens and would like to know what LENS CONVERTER to buy ( brand and x factor). Jim

This 3rd party lens (like all of them) makes lenses specifically to fit Nikon, Canon, Pentax, Minolta, etc. camera body mounts. Each has a style mount that is unique. You can not simply mount a lens made for use on a Nikon body on a Sony body.

In order to use this lens, it MUST be the model designed for use on a Sony camera. Functionally, the lens will be nearly identical on any camera it is designed to fit, only the mount (the portion that actually mates to the camera body) differs from one lens to the other.

If you bought this lens without specifying it needs to be used with a Sony camera body (and it is for a different camera) it will NOT mount. Determine if the lens is indeed designed for a Sony camera body. You may find additional letters & numbers on the lens that can help you determine which camera body brand it fits by plugging the number into Google for a search. Additionally, the Quantaray brand is / was a Ritz Camera "house" brand. You could probably bring it to one of their stores and learn all you need to know about the lens there.

Good luck!

Tamron makes their lenses with a variety of mounts, to fit a variety of cameras. Assuming you get a lens with a Sony mount, then it will work. A Tamron lens with a Nikon mount, for example, will not fit a Sony camera.

Camera offers differ from country to country, so unless you can specify the offer in particular no one can tell you which is better. However, in general a single wide-range zoom such as the 18-270 will not be quite as sharp as two separate, shorter-range zooms, such as an 18-55 and a 55-200. But one lens will usually be lighter than two lenses, so you have to carry less. Also, you won't have to waste time changing lenses. It's a trade-off, and only you can decide which factors are more important to YOU. And, of course, you have to consider the cost and factor that into your decision.

There are 2 things you need to check first. I have the Samyung f6.3 version of that lens and I hope that you understand that it is fully manual. So no autofocus, and the aperture is fixed at f8. So set the camera to manual and the autofocus off. It uses an adaptor to mount the lens and all adaptors are not equal. Firstly try mounting the lens alone if that is fitted with a T2 mount or mount the converter and then mount the lens to that. At f8 the image will be quite dark so unless you are outside in full sunlight you are not going to see much as the lens cuts down a lot of light and the converter more still. They are great lenses but like an Astro Telescope you will have to shoot from a tripod at first. But on a really bright day you might be able to hand hold the lens alone as the Sony SteadyShot is brilliant. But remember the converter loses you from one to two stops which makes it less usable unless you are doing time exposures. Also remember that because you have an APSC camera the lens is actually the equivalent of a 750mm on that camera! So with the converter you get 1,500mm.

Sorry, you can't. It's all or nothing, so you need to purchase a complete replacement VCL-0637H or you can buy some excellent quality and vastly cheaper lens converters directly from Chinese suppliers on eBay.

Somebody at Sony told me, that it is a different kind of lens altogether, so I am going to buy the .7 VCL-HGA07... thanks

There sometime is a bit of play, but if it is excessive, the connection could have worn some. It would probably be cheaper to buy a new converter, but you could try contacting Sigma about it.

Depending on how new your Minolta SLR film camera was, the lens may or may not work on a Minolta Digital SLR. In many cases, a lens with the correct mount (in this case, a Minolta mount) can be used on the same brand of camera in the digital format.

One thing you should know is that DSLR sensors are, generally speaking, smaller than the size of a 35mm film negative. Long story short, that means that your lens will have a magnification factor on the DSLR. Usually, it is in the range of 150%, so a 70-300 lens from a film camera would cover 105 to 450 on a Digital SLR.

To be sure about the mount, you'll need to seek advice specific to Minoltas -- probably best to take your lens to a local camera shop and see for sure if it fits and what features will work (aperature, auto-focus, etc) and which won't work on the DSLR.

Tele convertors on their own do not focus - that is achieved by the lens. Are the lens contacts clean and correctly aligned with those in the camera ?

Hey TLY71,
I don't know of any zoom lens for this camera, but there are a few attachment lenses for this camera, and I have provided a link to those below.

http://servicesales.sel.sony.com/ecom/accessories/web/productSearch.do

Sincerely,
Allan
Go Ahead. Use Us.

Yes. Try the eagle eye optic zoom. Made in the UK. This is a 5x converter that works well with the 3000z. Very little vignetting. It has a manual focus ring, or you can use the 3000z autofocus.