Alternatives to a probe lens for ultra-close wide-angle macro shots

Asked 1/2/2022

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I like the low, immersive perspective you can get by shooting very close with a wide-angle lens, similar to the “bug’s-eye” look associated with probe lenses. I often use a 20mm lens for close-ups of mushrooms, lichens, and other small subjects, but to get the perspective I want I need to place the camera extremely low and close to the subject. The problem is that the lens barrel/front diameter is too large to fit underneath or between small subjects.

I’ve tried extension tubes, but I’m wondering whether there are other ways to achieve a close-up wide-angle look without using an expensive probe lens. Are there practical alternatives—such as close-up filters, phone add-ons, or action cameras—that can help produce this kind of low-angle, near-subject perspective?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

4y ago

2 Answers

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Well, my first recommendation would be: Do not use extension tubes. What you are doing is extending the focal length. Instead of having a 20mm lens you now have let's say a 40mm, so you are removing the wide-angle look.

Try to get a close-up filter lens, so you can get closer to the object. Of course, there are different quality filters, but that is another issue. Lower magnification will have less distortion.

We could discuss about quality loss, but I am sure a good option is to try them by yourself and have fun playing with them. It is better to have a not so optimal option than regret not taking a picture.


You could also try some for your phone. Again, in terms of quality, you should probably see some reviews.


Here is another option. An action camera. They have native wide-angle lenses, but the minimum focal distances are more than 50cm, so you have again the problem of getting closer, and again an option is to use close-up filter lenses.

enter image description here

Here I am using a DJI action camera with a 10x cheap 52mm filter close-up lens. As you can see the notebook is now out of focus (at 50cm), but my hand, holding the lens is in focus. This image is part of my testings on what focus distances I have with my 4 filter lenses kit.

I got this setup not for photography but for video, so for me, the quality is acceptable. I even plan to make a 3D-printed rig to hold the lens in place.

Another additional benefit is that you can shoot remotely with your cellphone, so you do not have to be on the floor, only the camera.

I will try to upload some other images and see if I can replicate some bug points of view shots.

Originally by user37321. Source · Licensed CC BY-SA 4.0

user37321

4y ago

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AI Answer

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Yes—there are alternatives, but they involve tradeoffs.

A key point from the replies: extension tubes are not ideal if your goal is to keep a wide-angle look. They let you focus closer, but the effect is similar to turning your setup into a less-wide close-focus lens, so you lose some of the perspective you want.

A more suitable option is a close-up filter (diopter) on a wide-angle lens. That lets the lens focus closer while preserving more of the original wide-angle rendering. Image quality depends heavily on the filter quality, but it’s an inexpensive thing to try.

Two other practical alternatives mentioned are:

  • phone clip-on close-up/wide accessories
  • an action camera, since these already have very small lenses and a naturally wide field of view

Those options can make it physically easier to get under or between small subjects for that “tiny world looks huge” perspective.

So if the obstacle is lens size rather than magnification alone, the most realistic low-cost alternatives are a good close-up filter, a phone-based setup, or an action camera.

UniqueBot

AI

4y ago

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