This 3D printed 163mm f/2.5 lens with built-in aperture and focus changes will be made for lower than $15

In the case of 3D printed lenses, they often undergo from some limitations that manufactured lenses don’t. Two of these limitations particularly are the shortage of a variable aperture that may be stopped down and focus adjustment. Some 3D printed lenses get across the focus challenge by utilizing a commercially obtainable helicoid lens adapter. And to resolve the aperture drawback, they could have swappable inserts.

Nicely, this 163mm f/2.5 3D printed telephoto lens from Felix Metal at Pixels and Prisms options each a completely adjustable 12-blade diaphragm aperture (a primary for full-frame 3D printed lenses) in addition to a guide focusing mechanism that may lock within the absolutely prolonged or absolutely retracted positions. Other than the glass, it’s 100% 3D printed and will be constructed for lower than $15. It’s additionally open supply.

As you possibly can see from the picture above, side-by-side with the Canon EF 70-200mm f/4L, it’s fairly a stocky little lens. With a focal size of 163mm and most aperture of f/2.5, although, I’m not too terribly shocked. Being 3D printed, elements usually additionally must be slightly thicker than when constructed from steel or injection moulded plastic elements, resembling with the Canon lens. However given the fee, and options it gives, I believe it’s fairly excellent.

Felix says that the aperture and zoom focus system will be tailored to work with just about any lens aspect – with some caveats. Because of this in principle, it might be an ideal cheap solution to entry and experiment with actually lengthy focal lengths, like 600mm. He additionally says {that a} extra handy kind issue is within the growth plans in addition to enhancements within the optical high quality.

The lens consists of 23 vital elements, in addition to 15 pegs to facilitate motion.

The design course of for creating this lens was “a three-month endeavour” starting with the creation of an optical system after which discovering an optic. After this, the elements had been created within the on-line CAD software program Onshape and after they seemed proper, they had been 3D printed. Felix’s design is for an EF mount lens, however it’s best to be capable of adapt that fairly simply to absolutely anything else lately. All mirrorless cameras (besides the previous Sigma SD Quattro line) have a shorter flange distance and available adapters.

Felix has posted some pattern photographs with the lens to indicate off its sharpness and bokeh traits. It actually has a really distinctive and attention-grabbing look. This lens might be lots of enjoyable to print and experiment with!

The lens has been launched as open supply underneath a Artistic Commons license and Felix has made the entire STL recordsdata together with constructed suggestions and construct order documentation obtainable to obtain on the Pixels and Prisms web site with full construct directions.

A really cool 3D printing challenge certainly and doubtless probably the most detailed and superior 3D printing lenses I’ve seen. I sit up for seeing how this one evolves sooner or later because the neighborhood begins to play with it and modify it to their wants. I can already think about video shooters wanting to change these focus and aperture rings so as to add 0.8 Mod gear enamel for observe focus models!

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