Canon produces tubes in two different lengths - 12mm and 25mm. It is possible to attach the EF12 tube to the EF25 tube to give a 37mm extension. The Canon EF 25mm Extension Tube II is used to allow a lens to focus closer than it would normally.
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m42-m42 12-17mm 17-31mm 25-55mm 35-90mm M42 to M42 Mount Focusing Helicoid Ring Adapter Macro Extension Tube for camera lens
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Extension Tubes.
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Mcoplus Metal Auto Focus Macro Extension Tube Ring for Canon RF Mount EOS R100 R Ra RP R3 R5 R5c R6 R6II R7 R8 R10 R50 Camera
Aliexpress UK
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WEYLLAN Carbon Fiber Tripod Center Column Extender 2-Section Tube Extension for Tripod 25.5mm/40mm CNC Anodized 1/4 or 3/8 Screw
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Canon T7 T6 T5 T3 XS 7D 6D 5D T7i T6i T5i T4i T3i T2i T1i XSi XTi SL2 SL1 80D 70D 60D 50D 40D etc. CANON EF or EFs Lenses and CANON EOS body. JJC Automatic Extension Tubes are available as a set (12mm,20mm and 36mm), or as individual tubes in 12mm, 25mm to fit Canon EOS.They can be used individually or together to create the desired magnification effect.
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EYSDON 1.25" Variable Telescope Camera Adapter Extension Tube With Camera T Ring Adapter
Aliexpress UK
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m52-m42 17-31mm 25-55mm 35-90mm M52 to M42 Mount Focusing Helicoid Ring Adapter Macro Extension Tube for camera lens
Aliexpress UK
The Canon EF 25mm Extension Tube II is updated to be fully compatible with Canon Digital EF-S lenses, as well as standard photo EF and TS-E lenses. Autofocus (except on TS-E lenses of course) and auto exposure are maintained when using these compatible lenses.
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Almost Unused. Appearance is beautiful. Above condition is based on my own opinion. Weekends are not available because office is closed.
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Appearance:Please refer photo. / Optic:- / Function:There are no functional problems.
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