Soratama | 宙玉

Aerial ball shooting technique : 宙に浮かぶ玉の中の光景を撮影できる宙玉(そらたま)。撮影のためにはどんな機材が必要になるのか? 撮影のコツや作例などを紹介。


Step-up ring and Step-down ring

The diameter of the “soratama 72” is 72mm. To fix it onto a camera lens, please use step-up ring which are sold separately. For example, if you are to fix the “soratama 72” onto a 52mm diameter lens, please use a 52-72mm step-up ring. If the diameter of your camera lens is way too short, use a combination of two step-up rings such as “37-58mm” and “58-72mm.”
In case where the diameter of your camera lens is longer than 72mm, please use a step-down ring such as “77-72mm.”
If the diameter of your camera lens is just 72mm, Step-up rings and step-down rings is not needed.

Prepare step-up rings and fix with screw.

Lens with step-up ring. By adjusting the size to 72mm, “Extension Tube 72” can be installed.

Step-up ring with “Extension Tube 72” By using the step-up ring, you are able to adjust the size and sort many different lenses.

When using lens with small diameter, use multiple step-up rings to fit the lens. Here, we used “46 – 52” and “52 – 72” together.

If the diameter of the lens is 72mm, step-up ring is not needed. If the diameter is over 72mm, please use step-down ring. Here, we used “77 – 72” step-down ring.