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04/05/2005 12:36:33 AM · #1 |
| I cannot by (budgetary considerations) a tele and a close-up lens at the same time. I was thinking if I buy a 105 mm fast close-up lens (for Nikon D70), in theory I could use it as a fixed-length moderate tele lens as well... Is this naivity? |
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04/05/2005 12:51:00 AM · #2 |
Not at all. It makes a perfectly decent "normal" 105 mm lens. Unless Nikon is producing a 105 mm that can ONLY be used in closeup mode, which seems unlikely to me. There will be optical considerations that may make the macro 105 appear a little less bright/contrasty in normal shooting, but the difference should not be extreme. I used a 55 mm macro Nikkor lens as my everyday prime lens when I was shooting film back in the day. It was an f:3.5 if I recall correctly, so not as fast as their 50 mm f:1.4 (I think I have that right) but i rarely had need for anythign that fast and it was otherwise just fine.
Robt.
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04/05/2005 01:23:50 AM · #3 |
Originally posted by redpanda:
I cannot by (budgetary considerations) a tele and a close-up lens at the same time. I was thinking if I buy a 105 mm fast close-up lens (for Nikon D70), in theory I could use it as a fixed-length moderate tele lens as well... Is this naivity? |
The other option would be to buy the tele lens you want and buy an extension tube to go with it. That will give you the tele-photo you need with macro capabilities. I have a very good macro lens and often still use my extension tube with various other tele lenses.
Message edited by author 2005-04-05 01:24:26.
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04/05/2005 01:30:39 AM · #4 |
Would you recommend using extension tubes on standard zoom lens or a 50mm?
Do they change the minimum focus distance or affect exposure?
What do you think about close up filters?
Message edited by author 2005-04-05 01:31:14. |
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04/05/2005 01:34:39 AM · #5 |
Extension tubes typically work much better than close-up filters, and you can use the tubes on ANY same-mount lens in your arsenal, so you can experiemnt for which makes the best macro images. Closeup (diopter) filters are the alternative for those who do not have interchangeable lenses; you can't mount an extension tube in front of a lens.
The extension tubes effect both minimum AND maximum focus distance; you can't get infinity focus when one is mounted. They also effect exposure, by increasing the distance light has to travel to reach the sensor, but if you use the camera's TTL metering this is not a factor to worry about.
Robt.
Message edited by author 2005-04-05 01:36:50.
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04/05/2005 01:40:04 AM · #6 |
Thanks.
What brand extension tube and close up filter do you like to use? |
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04/05/2005 01:45:00 AM · #7 |
I don't use 'em; my camera has full macro mode (it's a prosumer, no interchangeable lens). I used to use them a little bit back when I was a working pro photographer, in film days. I'm sure someone will pop up with a trusted brand.
Bear in mind that you WILL get better results from a lens that is designed for macro work; there are optical differences. The tubes are nice in that they allow you to do closeup work with ANY lens, so you have a little more versatility. And "close-up" is relative, of course; if you had a 1000 mm lens that focused to within 3 feet, that would be pretty damned "close up"...
Robt.
Message edited by author 2005-04-05 01:47:18.
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04/05/2005 02:07:19 AM · #8 |
Originally posted by bear_music:
And "close-up" is relative, of course; if you had a 1000 mm lens that focused to within 3 feet, that would be pretty damned "close up"...
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I use my 600mm with the extension tube. The results are awesome.
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04/05/2005 03:21:55 AM · #9 |
Originally posted by autobahn123:
What brand extension tube and close up filter do you like to use? |
Kenko do a decent set of extension tubes, but the brand doesn't matter too much here because there's no glass, just empty space! Probably the only thing to look out for is that the tubes allow the camera & lens to carry on communicating with each other, which the Kenko's do.
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04/05/2005 08:37:35 AM · #10 |
Thanks a lot everybody! It was very helpful!
Gyorgy |
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