Day 211 – Macro with extension tubes

Following on from Day 208 … I had another look at my macro extension tubes….

Todays set up:

  • Outdoor flowers
  • A tripod
  • 100mm macro lens
  • Extension tube set.
  • Ruler

As mention on Day 197, Macro is an image that is less than 5cm in scale… today I included a ruler in some of the shots, as I wanted to retain the scale or the image and actuall see how much detail I could record. I found it hard, I had to focus manually and with such close settings it was easy to be out of focus.

In each of the images I have commented on what my set up was….

100mm lens - and a ruler to represent image size.1
100mm lens – and a ruler to represent image size.1
100mm lens - f13, 1/20 sec, ISO100
100mm lens – f13, 1/20 sec, ISO100

I love the crispness of this 100mm shot and it was able to be focused using the camera automatic settings.

100mm lens + 13mm extension tube - f13, 1/20 sec, ISO100
100mm lens + 13mm extension tube – f13, 1/20 sec, ISO100
100mm lens + 13mm extension tube - f13, 1/6 sec, ISO100
100mm lens + 13mm extension tube – f13, 1/6 sec, ISO100

Above I added my narrowest extension tube and I could move closer to the flower.

100mm lens + 21mm extension tube - f25, 1/80
100mm lens + 21mm extension tube – f25, 1/80
100mm lens + 21mm extension tube - f25, 1/25
100mm lens + 21mm extension tube – f25, 1/25

21mm extension tube and I had to move back slightly to get the focus right. I also had to increase the aperature as the shallow depth of field was too shallow for me for work with accurately.

100mm lens + 33mm extension tube - f25, 1/40
100mm lens + 33mm extension tube – f25, 1/40
100mm lens + 33mm extension tube - f25, 1/13
100mm lens + 33mm extension tube – f25, 1/13

33mm extension tube, hard to focus, but I am able to get just over 1 cm on the screen, so with time, effort, patience and a static object you can get impressively close. I think it will take time and practice to get the focusing perfect.

100mm lens + 33mm = 21mm extension tube - f25, 1/50
100mm lens + 33mm = 21mm extension tube – f25, 1/50
100mm lens + 33mm = 21mm extension tube - f25, 1/50
100mm lens + 33mm = 21mm extension tube – f25, 1/50

Above is 2 of the three extension tubes working together, I had to move back to get focus, and as you can see with the ruler it was quite hard to achieve.

Cropped image - that little insect is less than 1mm in size.
Cropped image – that little insect is less than 1mm in size.

The final image is a cropped version of the 100mm lens plus the 33mm extension tube cropped down – you can see the grains at ISO1600, but considering that little insects is smaller than 1mm in real life, it is amazing at how much detail can be captured. Maybe I will have a go with my macro tubes every now and again…. my preferred shot though are the ones with just the 100mm lens – I think the quality is better.

Advertisements

One thought on “Day 211 – Macro with extension tubes

  1. Interesting post Helen, I have been contemplating getting a set of extension tubes as a cheap alternative to buying an expensive macro lens. The quality of your images using the tubes are very good. That gives me food for thought 🙂

    Like

Comments are closed.