India Point Park

India Point Park
by matt-ball                

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

Optical devices used between camera and lens to magnify middle part of projected image, effectively turning the lens into a longer (but slower) one.

learn more… | top users | synonyms (1)

3
votes
1answer
9k views

What is a “2.2X Pro Telephoto” lens?

I am looking to enter the world of SLR cameras and learning some more about lenses. I came across a package that has a 2.2X pro Telephoto what exactly does that mean and how does it work? (Please ...
1
vote
1answer
392 views

Is it okay to use a T-Con 1.7 Teleconverter with a Nikon D3100 via a step-up ring?

I've recently bought a Nikon D3100 with 18-55mm kit lens. I already have an Olympus T-Con 1.7x teleconverter and would like to connect it to the kit lens with a step up ring. My concern is that the ...
0
votes
1answer
501 views

Can anyone recommend a telephoto lens for a Sony DSC-H3?

I have a Sony DSC-H3. I'd like to buy some new lenses for it for experimentation purposes. Specifically, I'd like to get a telephoto lens. The only issue is, I can't figure out which one to get. The ...
4
votes
1answer
610 views

Do you suggest using an extender/tele converter with a Macro lens such as Canon 100mm f2.8 macro lens?

Do you suggest using a teleconverter with a dedicated macro lens? I have tried out using a Kenko TC with canon macro lens - however I am not 100% satisfied with the "extra" magnification that I got on ...
3
votes
2answers
5k views

Can a Teleconverter be used to extend a Sigma 70-300mm f/4-5.6 lens?

I have a Nikon D3100, a standard 18-55mm and Sigma 70-300mm lens without IS. Is it true that a teleconverter cannot be used with my Sigma lens? Can it be used only with block lenses, or is there ...
18
votes
4answers
5k views

How does a teleconverter affect depth of field?

I'm aware that a teleconverter will reduce the amount of light reaching the film or sensor in a camera, and as such you hear people banding around things like "With a 2x teleconverter this 300mm f/2.8 ...
7
votes
2answers
1k views

Why can only certain Canon lenses be fitted with an extender?

Is there a reason only certain lenses can be fitted with an extender? I'd really love to be able to fit the extender to some of my cheaper lenses.
8
votes
2answers
353 views

Are there any downsides in using 2x extenders?

What are the negatives with using teleconverters?
14
votes
3answers
6k views

What is the difference between teleconverters and extension tubes?

I'm aware of two devices that can extend the reach of a lens: the teleconverter and the extension tubes. What else would they have in common, and where do they differ? Are there situations where one ...
10
votes
8answers
4k views

For greater telephoto range, should I use 70-200mm + teleconverter or a longer zoom lens?

Right now, I have a Nikon 18-200mm f/3.5-f/5.6 VR lens. I like it, but want more telephoto range and would also like to be able to use faster shutter speeds. I am interested in the 70-200mm f/2.8, but ...