Description Specs Compatibility Notes Product Highlights: • This focusing Helicoid has M42 Screw Mount SLR Lens and Micro Four Thirds Body Mount • Helicoids are useful for lenses without a focus ring and can offer fine focus control for macro photography • The Helicoid movement goes from 2.5cm to 5.5cm, offering a total of 30mm movement for lens focusing • Premium Grade 'No Play' Adapter, Top Notch Craftsmanship, Smooth and Precise Focusing Barrel • Limited 2-Year Manufacturer Warranty The macro function of this adapter provides a focusing helicoid that will increase the lens-to-sensor distance, allowing for closer focusing than normally allowed by the lens itself. The greater the length of the extension tube, the closer the lens can focus. This means you can now get macro performance without needing to switch to a specialized lens and you will retain all the normal benefits of your optic when the macro function is not in use. The all metal design and polished coated surface is designed to guarantee smooth mounting and a long lasting experience. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. In this case 'stop-down mode' will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode. Back to Highlights Lens Mount M42 Screw Mount SLR Lens Body Mount Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Helicoid Distance 25mm - 55mm Product Dimensions 2.4 x 2.4 x 1.2 in (6.2 x 6.2 x 3 cm) @ 0.3 lb (4.7 oz) Shipping Dimensions 4 x 4 x 4 in (10.2 x 10.2 x 10.2 cm) @ 0.4 lb (6 oz) Manufacturer Fotodiox Inc. Warranty Limited 24-Months Note: • This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc.) will be disrupted. • Some cameras need to be set a certain way to work with our adapters or you may get a message such as 'Error Lens Not Attached - Check lens'. Please check the support articles on the Fotodiox Knowledge Base for possible solutions on a variety of camera brands. • 'Focus-By-Wire' lenses (such as Canon's STM or Nikons AF-P) requires power to engage the manual focus rings on the lens, since manual lens mount adapters do not power the lens, those lenses will not be able to focus. • Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode. • If your lens does not have a manual aperture control ring, the lens aperture will revert to its default position, which depending on the lens is either stopped down to its largest f-stop or opened up to its smallest f-stop. • To determine what the new 'Crop Factor' or 'Equivalent Focal Length' of the lens when used on your camera will be, please check the Fotodiox Knowledge Base article. All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.
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