Optical devices used between camera and lens to magnify middle part of projected image, effectively turning the lens into a longer (but slower) one.
3
votes
2answers
120 views
Is there something that is the opposite of a teleconverter?
I shoot a Nikon D80 that has a 1.5 crop factor. I'd like to find something like a .67x teleconverter so any full format lens I attach would then have their original focal length and would in theory be ...
0
votes
3answers
192 views
Can I expect good quality from a 2X TC on a Nikon 55-300mm lens?
I have a Nikon D3100 with the standard 18-55mm lens, and a Nikon 55-300mm lens. I bought a 2X teleconverter for the 55-300mm lens, but the TC seems to be unusable. At 300mm with the TC everything is ...
8
votes
8answers
2k 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 ...
17
votes
4answers
2k 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 ...
3
votes
1answer
165 views
Are there any quality 1.7x teleconverters for Canon EF mount?
I am planning to buy a Canon EF 300mm f/2.8 L IS II soon, probably in the first half of next year. I plan for it to be my wildlife and birding lens, and with the 1.4x and 2x Mark III teleconverters ...
3
votes
2answers
156 views
What are the drawbacks of an extender (wide or teleconverter)?
I'm asking a more general question, starting from a particular case with which I'm dealing these days: I'm considering buying a Wide Conversion Lens for my Panasonic HC-X900M camcorder (see the item ...
4
votes
3answers
1k views
Do teleconverters work with Macro lenses?
I read that teleconverters don't work with macro lenses. Is that true, and if yes, why?
I have the Canon 100mm f/2.8L macro lens, and I felt that purchasing a 2x teleconverter would be a cheap way of ...
8
votes
5answers
331 views
Which Canon prime and teleconverters should I bring to a safari?
Currently I have the 70-300mm L lens from Canon.
I would like to go on a Safari trip, and was wondering, does it make sense to pick up the Canon EF 400mm f/2.8L IS II with the 1.4X and 2X ...
6
votes
2answers
1k views
How to enable Canon AF with teleconverter?
Canon DSLR bodies prevent poor auto-focus performance by disabling it completely when the lens reports maximum aperture at chosen focal length smaller than f/5.6. This implies that some lenses will ...
7
votes
3answers
384 views
Co-linear dual tripod mount for huge lenses
I am about to buy a fun super-zoom mirror lens which is so long it has its own tripod mount. To protect the camera, I am wondering if there is a mount accessory which will allow for two items to be ...
3
votes
2answers
2k 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 ...
3
votes
2answers
200 views
How do I manually focus my macro in poor lighting conditions?
I'm using my Canon 100mm f/2.8L macro handheld all the time together with a flash rig and it works wonders. Most of the time I have an Eg-S focusing screen installed as well which makes it even easier ...
3
votes
1answer
249 views
How can a teleconverter allow manual focus lenses to autofocus?
I've found that some discontinued teleconverters, such as the Pentax F 1.7x AF Adapter and Nikon TC16A, enable autofocus with manual focus lenses. How is this possible? Does this system have any ...
4
votes
3answers
1k views
Canon extender 2x III with 70-200mm F4L vs 100-400mm F4.5-5.6L for wildlife shooting
Photography.SE, hello there, this is my first question, hence please pardon my inexperience of phrasing the question.
I am about to go to Yosemite and Yellowstone for 3 weeks next month, and ...
5
votes
2answers
258 views
Is it a good idea to stack teleconverters to shoot at the moon?
Just got a Pentax ME Super in eBay and two lenses from a friend of mine.
One of the two is a 200mm Shacht prime.
I have also won on eBay, 10 minutes ago, a x3 teleconverter and I was thinking if I ...
3
votes
1answer
1k 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 ...
7
votes
2answers
250 views
1
vote
1answer
293 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
279 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
460 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 ...
7
votes
2answers
210 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.
11
votes
3answers
775 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 ...
