About Pro Optic Budget Auto Extention Tube Set for Canon EOS SLR Cameras:
Contains three plastic tubes of different length (31mm,21mm & 13mm) which can be combined in seven ways to obtain various magnification. Perfect coupling with TTL metering and AE mechanisms. Full auto focusing with Canon EOS Cameras. 1. When using extension tubes the lens will not focus to infinity. The focus range will be greatly limited to a very close focusing distance. 2. There is light fall off when using any extension tube, sometimes the equivalent of 3 f-stops of light is lost when using multiple extension tubes together. This light lost can affect the camera’s ability to auto focus. Ma
Features Pro Optic Budget Auto Extention Tube Set for Canon EOS SLR Cameras:
- Can be combined in seven ways to obtain various magnification
- Perfect coupling with TTL metering
- AE mechanisms
- Full auto focusing with Canon EOS Cameras
- Focus range will be greatly limited to a very close focusing distance
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