Zeikos ZE-CVAFN Auto Focus Macro Extension Tubes for Nikon
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- Photograph Bugs & Flowers
- Auto Focus
- Macro Photography
- Great for Coin & Stamp Collections
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|Item Weight||0.29 pounds|
|Package Height||2.8 x 2.8 x 3.7 inches|
|Shipping Weight||0.5 pounds|
Top Customer Reviews
You need to be at F32 at least because you have so little depth of field with the extension tubes stacked. But that is what I wanted. You can't beat this price for a set of 3 tubes. The Nikon ones are manual only. The Kenko are a bit better quality but cost 2-1/2 times the price. So if you're like me & want to play around with ultra macro (I mean photographing the hairs on a sugar ant), then this setup works just fine. I feel I got my money's worth. I purchased a 12mm Kenko and that did not have the reach I wanted. I returned the Kenko because the Kenko tube was more $ than all three of the Zeikos ZE-CVAFN Auto Focus Macro Extension Tubes. If you're a hobbyist, or amature, then these tubes work extremely well.
My main reason for buying these rings is to photograph butterflies where the 12 mm ring alone brings the closest focus distance of the above lens down from 3 ft to 1 ft when on the 200 mm FL setting. Auto focus worked fine. Even with all 3 tubes attached, autofocus generally worked especially if the subject was fairly two-dimensional but obviously the focus had to be within range, which is very limited for short focal length settings of the zoom (checked by switching to manual focus). For close-ups where object and image size are close, it would be sensible to use manual focus anyway and set it roughly 1/3 into the desired depth of field by moving the camera. So overall I am very satisfied with the product.
Now I'm no pro, I seldom earn money at this; I've had a little formal training, and I have a good working grasp of depth of field, and I love vibration reduction because I don't usually like to bother with a tripod. It's probably relevant to know I paired these to a Nikon D5000, so there's already some funny math involving the focal length as it regards hitting the DX sensor, and to set the stage the lens in question has a minimum focus range around 16-18" which already allows for some fairly close-in work.
With the 20mm tube on I can focus as close as 4" but (and this is a big but for most people) if I've got the lens open all the way to F1.4 and focus that close the depth of field is quite literally no more than 1/16" and for a lot of subjects that's really not enough. Even set to max/infinite range the effective focus point is well inside a foot (with this particular geometry, I haven't tested the 12mm tube in such exacting detail yet.Read more ›
Most Recent Customer Reviews
these things work very well, i am glad I decided to get them. all my lenses still auto focus even if i am using all 3 tubes. Read morePublished 18 months ago by daniel caldwell
No auto anything on the Nikon d7000. My Camera doesn't even know it's attached. And I noticed I have to I have to keep twisted pressure on it like I'm tightening a screw otherwise... Read morePublished 19 months ago by tim
Would have given a 4 but af would not work but took great macro pic'sPublished 21 months ago by Rose
not a good investment, you have to be so close to the object that it's hard to use.Published 21 months ago by Meemie Patel