An extension tube - is used with interchangeable lenses to focus closer, useful in macro photography. The tube contains no optical elements; its sole purpose is to move the lens farther from the image plane. The farther away the lens is, the closer the focus, the greater the magnification, and also ...
0
votes
2answers
114 views
Do extension tubes work well with the AFS VR micro nikkor 105mm f/2.8G?
Has anyone who owns the Micro Nikkor 105mm f/2.8 G used extensions tubes with it? How does the lens perform in this case? I'm interested in getting magnification beyond 1:1. Will this help, and are ...
2
votes
2answers
112 views
Can I use macro extension tubes with a non-manual lens?
I am new to macro extension tubes and I want to buy one but I don't have a manual lens (one where I could change the aperture manually) so I don't know if an extension tube would work with my lenses ...
3
votes
2answers
153 views
What Camera setting/how to take photos of diamond rings using Kenko Extension Tubes?
I currently have a Tamron AF 28-75mm camera F/2.8 and when I bought that lense the sales person also had me purchase these Kenko for digital Automatic Extension Tube Sets DG (3 rings) 36mm, 20mm and ...
4
votes
2answers
2k views
What macro extensions tubes are compatible with Nikon AF-S?
I am looking for a set of macro extension tubes for a Nikon D40 that will work with the AF-S system (i.e. will send all the relevant stuff between lens and body for full auto operation).
I have found ...
0
votes
0answers
22 views
What is the difference between Canon macro extenders for a 50mm prime? [duplicate]
I see Canon offers a 12 and 25mm macro extension, is there a way to calculate the difference in what these will offer for a 50mm prime? How much closer will they allow focusing? Will one hurt long ...
1
vote
1answer
104 views
Extension tube images come out of focus
I stepped into macro photography with a 50 mm f1.8 lens and a passive extension tube. Since the tube has no electrical features and lens has no on-lens aperture control, I am left with extremely ...
1
vote
1answer
134 views
How to attach Zeikos extension tube to D5100?
How to attach the Zeikos macro extension tube to Nikon D 5100 and to the kit lens 18-55mm?
Neither side of the tube seems to fit the body of the camera nor the lens. Perhaps I bought the wrong item ...
7
votes
1answer
358 views
How *Auto* Are Pentax Auto Extension Tubes?
While asking for extension tubes for a Pentax DSLR, Pentax replied:
As requested, please find the following extension tubes available.
Product 30535, auto extension tube set B Product 30551, ...
2
votes
4answers
179 views
Canon extension tubes - how much extension can be used?
I just purchased two Canon extension tubes, 25mm each, for a Canon 100mm f/2.8L Macro lens. In the instruction manual, it is recommended to only use one extension, not two or more; otherwise, image ...
1
vote
3answers
181 views
How do I choose an extension tube for macro photography?
I'm looking for an extension tube for my DSLR. Any suggestions? I see a lot on the internet, but I cannot figure out which is the best.
1
vote
1answer
196 views
What magnification would I get with extension tubes?
I have a Nikon 60mm f/2.8 Micro lens (DX sensor) and I haven't been able to exactly determine what magnification I can get with Kenko 12mm, 20mm, 36mm extension tubes. Suppose I would use all of them ...
11
votes
2answers
2k views
What are the biggest differences between Reversal Rings, Extension Tubes and Macro Lenses?
As far as I understand all three options help you do macro photography but are their other reasons for having the three different items? I figured reversal rings and extension tubes were just for the ...
17
votes
7answers
9k views
What am I losing when using extension tubes instead of a macro lens?
After playing around with macro photography on-the-cheap (read: reversed lens, rev. lens mounted on a straight lens, passive extension tubes), I would like to get further with this. The problems with ...
6
votes
1answer
797 views
How can I calculate the change an extension tube makes to the maximum magnification of a lens? [duplicate]
Possible Duplicate:
How can I calculate what the effect of an extension tube will be?
My understanding is that extension tubes increase the magnification of lenses by reducing their minimum ...
9
votes
1answer
221 views
What is the significance of the typical extension tube lengths?
I've been recently looking into getting an extension tube set for some macro photograpy. I've noticed that a lot of these 3 tube sets (for Canon EOS) have the same, very specific lengths: 13mm, 21mm, ...
6
votes
4answers
944 views
Where can I get an extension tube for micro-four-thirds lenses?
There doesn't seem to be any extension tube set listed on the m4/3 section of the Four Thirds website. Olympus makes the EX-25 extension tube but it's for regular Four Thirds lenses.
I would like to ...
3
votes
2answers
394 views
Nikon D7000 and extension tube with 35G 1.8
Recently i purchased an extension tube. (chepest one, with no af..etc..). Just for fun.
I attached it to my camera, and than the 35G. Unfortunatelly picture, and finder is dark too. I read somewhere ...
2
votes
1answer
187 views
How much does extending affect range of focusing distances?
It's well known that moving a lens away from imaging surface will decrease both minimum and maximum focusing distance. There are times when it would be good to know how much those distances will ...
5
votes
1answer
583 views
Why does my camera show “f00” when using extension tubes for shooting close ups?
As a beginner in close up photography, I am using extension tubes with my Canon 550D and standard 18-55mm lens. I noticed that when I use this, the f-stop meter in the camera does not work and always ...
2
votes
2answers
329 views
How important is auto focus and aperture control in a macro setup?
I'm thinking of starting some amateur macro photography, and I'm not sure I want to go with macro lenses, due to their price.
I currently have the following lenses:
Canon EF 50mm f/1.8 II
Canon EF ...
22
votes
3answers
4k views
How can I calculate what the effect of an extension tube will be?
There must be a mathematical description of the difference that an extension tube makes to a lens -- is it something that can be easily described?
(For example, with teleconverters you can say things ...
1
vote
2answers
113 views
Will these two accesories work together for a “Macro” photography experience?
I am trying to to get a Christmas gift for my wife. She has a Cannon Rebel T1i and two lenses that came with it (nothing else).
She has shown some interest in Macro photography with the lenses she ...
13
votes
2answers
1k views
Which suits better for hobby usage: extension tubes vs. close-up filter?
I am looking to do a little macro work, but am not ready to invest in a macro lens. For hobby work like photographing flowers and such would it be better to invest in a set of extension tubes or in a ...
10
votes
2answers
410 views
Are there any downsides to buying a third party extension tubes for Canon?
I would like to get a little higher magnification out of my Canon 100mm Macro, so I am looking at extension tubes.
I know Canon makes the EF25, but it seems pretty expensive considering there isn't ...
4
votes
2answers
1k views
Can I use macro extension tubes with telephoto lenses?
What I really want is an extension tube for my telephoto lens. (70-200mm Canon) I have an opportunity to purchase a number of macro tubes. Will those also work with the telephoto lens?
11
votes
5answers
2k views
Macro photography with an ultra-wide lens and extension tubes?
While reading some reviews of Canon EF-S 10-22mm f/3.5-4.5 USM, I was a bit surprised to notice that the lens is supposed to be compatible with 12mm and 25mm extension tubes, and with those one should ...
5
votes
3answers
350 views
Kenko extension tubes or no name tubes?
I'm planning to buy extension tubes for my Canon 50mm f1.8 lens. I found Kenko for about $150 but then again there are the others which are going for about $10 or less which does not mention of a ...
10
votes
3answers
1k views
Does a camera's crop factor apply to the magnification of macro shots?
If I have a lenses (or in my case extension tubes) that would allow the lens to magnify 1:1, does a 1.5x crop factor body make it really 1.5:1 ?
7
votes
4answers
4k views
I have a Canon EF 100mm f/2.8 Macro. How can I get even closer to the subject?
I have had a Canon EF 100mm f/2.8 Macro lens for quite a long time. It is a great lens. I use a 7D as the body, thus I get 1.6x magnification as compared to a "real" 35mm sensor body.
While this is ...
7
votes
2answers
1k views
What extension tube options are there for the Pentax system?
From the reading I have done on extension tubes, I understand that some are just 'dumb' tubes while others have electronics that may allow for metering and autofocus to still work. Further, from this ...
8
votes
2answers
557 views
Extension tube set elements
My extension tube set (Soligor for Pentax AF + P/KA) was not working correctly on my DSLR, so I checked the tubes, and found an interesting difference. It has three tubes (12mm, 20mm, 36mm).
This is ...
17
votes
1answer
298 views
10
votes
1answer
226 views
What are the limits of extension tubes?
Given lighting is not a problem, can you hit a limit where you have too much extension tubes (a very long tube) and the quality of the image will suffer? For example a diffraction limit will be hit ...
