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Telescope eyepiece mount for iPhone 5 (LaMee Labs)

by adamlamee, published

Telescope eyepiece mount for iPhone 5 (LaMee Labs) by adamlamee Dec 27, 2012

Description

Snap, then glue together this two-piece mount for iPhone 5 to a standard 1 1/4" telescope eyepiece.

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Funny: after I had the parts made, they would only fit an iPhone 4, not the iPhone 5. Fortunately I had an iPhone 4 available.
Thanks for posting your results. I set the distance from lens to eyepiece as approximately equal to typical eyeball-to-eyepiece distance, but the field of view is a bit narrow. Someday, I may try a longer eyepiece barrel and take photos at different distances to find what's optimum. Cheers, Adam
I modified your Tinkercad model to allow me to get the eyepiece closer to the camera lens, only to find the performance to be worse it yielded an even smaller field of view.

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Instructions

Snap, then glue together this two-piece mount for iPhone 5 to a standard 1 1/4" telescope eyepiece. Works great for party viewing or tether it for a video feed.

The model doesn't use overhangs (other than two little ridges on the sides) so the phone fit is snug, but needs either a delicate touch or a rubber band, velcro strap, etc to stay securely mounted.

Test fit the barrel to the case before gluing. Apply model glue to both pins and contact surface of barrel, then snap together. Remove rubber shade from eyepiece and slide it into the barrel. The fit is tight. Use coarse sandpaper on the inside of the barrel if a looser fit is desired for easiler or faster changing between eyepieces.

Locking the focus on the camera app allows for easier fine tuning of the focus using the adjustment on the telescope. Also, a remote shutter control (like using earbuds with inline volume toggle) helps to keep from jiggling the telescope when you shoot. The distance between the iPhone's camera and the telescope eyepiece is ~5 mm. This makes for a smaller field of view than the size of phone display, but acceptable.

With acceleration, Makerbot build time is about one hour.

Designed using Tinkercad @ tinkercad.com/things/gB2P7x8ZQYT

Funny: after I had the parts made, they would only fit an iPhone 4, not the iPhone 5. Fortunately I had an iPhone 4 available.
I modified your Tinkercad model to allow me to get the eyepiece closer to the camera lens, only to find the performance to be worse it yielded an even smaller field of view.
Thanks for posting your results. I set the distance from lens to eyepiece as approximately equal to typical eyeball-to-eyepiece distance, but the field of view is a bit narrow. Someday, I may try a longer eyepiece barrel and take photos at different distances to find what's optimum. Cheers, Adam
If you'd like to mod this for another iDevice, check out the high res drawings here:

developer.apple.com/resources/cases/
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