focusing helicoid 3d models

 It has adjustability between 453-473mm, with the nominal focus range of a 300mm lens to be ~460mm.  It is more rigid and requires only one M3 screw and nut to solidly lock in place (or you can just glue it). ... I suggest once you're happy with your...

This thingy lets you focus Disco camera lens by screwing it in and out like on a normal camera. Works if your Disco lens has threads on it. That seems to be common but who knows.</p><p>Refer to Youtube for instructions on how to remove the factory...

Instead, I have now created 3D-printable focusing E-mount adapters where the lens screws in using the large external thread and can be focused by partial unscrewing. One mount has a 60mm thread that works with my Kowa 55mm f/1 and 42mm f/0.75;...

A universal manual focusing ring adapter designed for effortless swapping between various lenses, including vintage ones. Its 60mm diameter provides a versatile base that can be stretched to accommodate lenses of different sizes. To prevent the...

The original tube is also made of plastic, and the gear rack got stripped rather quickly from times I tried to focus *too much*. The reproduction was made by carefully measuring the original with manual caliper. For the threads I used a thread...

Instead, I've created 3D-printable focusing E-mount adapters where the lens screws in using the large external thread and can be focused by partially unscrewing. One mount has a 60mm thread that works with my Kowa 55mm f/1 and 42mm f/0.75; the other...

Instead, I've now built 3D-printable focusing E-mount adapters where the lens screws in using the large external thread (see 2nd photo) and can be focused by partial unscrewing. One mount has a 60mm thread that works with my Kowa 55mm f/1 and 42mm...

The OEM focus adjustment for the Comgrow Comgo Z1 diode laser seemed fiddly and low quality for a system claiming to have the smallest focused dot on the market. It uses 2 AL channels held in place by 4 thumbscrews. Adjustments using their design...

Mind-bending paradox: a person is so frustrated that they're willing to sabotage their own efforts, creating a self-destructive cycle of incompetence.

Firkran were relatively powerful crystals of light sabers obtained on the planet Rafa 5. ...The crystal gave the light saber an electric charge making it especially effective against droids.

diameter is 117mm

Hi! here is my entry to the NASA challenge lunar torch. ...It consists on projecting concentrated sun light using high precision laser like galvanometers

the teeth of the gear and the rack are for illustrational propose, not a real size...

An ultrasonic array designed to assess ultrasonic wave directionality features sixteen (16) bigger piezo transducers and operates in conjunction with the Soundlazer directional parametric speaker, available at http://www.soundlazer.com/.

This is a Bahtinov Focusing Mask for a Stellarvue F50 Guide Scope. ...&nbsp;This greatly aids manual focusing by using three angled diffraction spikes to accurately focus.

This utilizes a focusing ring that is rotated using 45 mm M3 bolts Focusing Bolts : 45mm M3 ( bolt and nut) X 2 Locking Bolt : 40mm M3 (bolt and nut) Ring Secure Bolts : 10mm M3 (bolt and washer) Soft Spring (same spring used in 3Dprinter Z-Axis Anti...

... in symmetrical patterns. Designed specifically for Meade ETX-125 OTA with 127 mm (5") clear aperture, 1900 mm focal length (f/15), and 148 mm OD, this 3D-printed Bahtinov focusing mask is constructed from black ABS filament on a delta printer.

Update on 19 Aug 2018: Unfortunately, this replacement part is too thin and makes it difficult to turn the focusing ring with fingers. To improve usability, please consider increasing the thickness of the cover or adding a handle to the focusing...

After wasting so many 4x5 film sheets from missing critical focus, I decided to work with a friend of mind in a 3D Facebook group to design this focusing hood and it has worked wonders. It allows you to focus even hand-held (which I do not recommend...

Bahtinov focusing masks ease manual star focusing with convenient astronomy tools. Place the mask in front of your telescope's aperture, then point it at a bright star. As you adjust the focus, three diffraction spikes will appear. Two of them form...

Various plates were designed with different lengths between the tripod screw and Acra mount screw to increase vertical offset to improve focusing distance inside the still life cube. The spaces all have the same thickness with different vertical...

Unload the original M4 screw with the cover at bottom of the focuser and a wheel of one side then you can install this set easily. MIND THE M4 SCREW LENGTH YOU PREPARED, it could damage you focuser if it is too long. The backlash of this set is...

This should allow you to achieve sharp focus at wide apertures with a Speed Graphic that has a Fresnel focusing screen. I have tested this at f2.5 with a 178mm Aero Ektar lens and able to achieve sharp focus. The spacer thickness is 21.5...

... a 6-inch parabolic mirror. Above the mirror you must mount the focusing mechanism bracket. There are the 3 STL files for 4 objects that you must print in PETG, for instance. See the pdf for assembly suggestions. The pdf is in the download. ...

Since the series 1 included a practical holder for the focusing aid and the new series does not - here is an easy to print part which can be attached to the profile with 2 M3 x 8mm screws and 2 M3 T-slot nuts.Simply print upright then no support is...

I scored an amazing deal on this lens, but it came with one small issue - the focus tab was nowhere to be found. To fix this problem, I decided to design a replacement. ... There are two options available: * I added a panorama mask specifically...

I got this lens for a good price but the focus tab was missing so I design this replacement. There are two variants to chose. ...*Added this panorama mask for 35mm film Print Settings Printer Brand: TEVO Printer: TarantulaRafts: No Supports: ...

... larger objects, amplifier chassis, etc. ...The threaded post is sized to fit my Mitutoyu dial indicator stand, but would likely fit many others. This gives you a flexible and very stable base to use with the rest of the USB microscope focusing parts.

I got this lens for a good price but the focus tab was missing so I design this replacement. There are two variants to chose. *Added this panorama mask for 35mm film Print Settings Printer Brand: TEVO Printer: TarantulaRafts: No Supports: ...

The light is positioned so it's never direct, but can be focused from spot to flood. It has worked well so far. It took about 3 hours printing quickly with an Ultimaker 2+ (PLA). This umbrella was purchased from Amazon. A Selens 16 rod 120cm...