Tokina AT-X 16-28mm f/2.8 升级版镜头外壳
Tokina AT-X 16-28mm f/2.8_Upgrade lens. housing
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Summary
In my opinion, Tokina AT-X pro 16-28mm f/2.8 lens has a good optical performance and a good price-performance ratio. However, I am not satisfied with the weight of about 1 kg, the front hood shape that makes it difficult to use filters, Tokina's unique toggle-type focus automatic/manual switching method, and the AF noise. Although it was upgraded to the Opera version a few years ago, it seems that there is no significant difference except for some changes in the appearance (the shape of the rubber grip on the control unit).
The lens is designed for DSLR FF cameras, and its usability and competitiveness are not as good as they used to be, as more and more lenses that are customized for digital mirrorless cameras with a shorter flange back distance have appeared.
I tried to modify/upgrade the lens for video shooting, (including the noise of the autofocus, the short rotation radius of the manual focus operation, and the hood shape that is not suitable for using ND filters) In the previous ver.01, I completely redesigned the overall design and the fixing method of the housing by improving the parts that were lacking.
I prefer the non-destructive method of attaching it to the outside while keeping the original housing and parts of the lens. However, the front hood had to be disassembled and removed. Due to the protruding spherical glass in the front, the outer diameter had to be designed to 114mm to prevent vignetting at the ultra-wide angle (16mm) while maintaining the front housing shape to protect it. It is a lens with many restrictions for housing upgrades. I recommend a matte box and a square filter with a size of 4x5.65 for mounting filters (that does not cause vignetting at a focal length of 16mm)
The lens in the video is a Nikon F mount (D type) lens, and the EF mount lens is also of almost the same design except for the mount part and the lower part of the lens, so I think it can be installed.
Required parts other than 3D printer output
- 3_M3 x 8mm bolts (flat head)
- Rubber follow focus gear ring (optional)
- 95mm snap-on lens cap
- Superglue
For information on purchasing parts online, see the link below.
https://surplusperson.tistory.com/868
Print Settings
- Printer brand:
Kingroon
- Printer:
Kingroon KP3
- Resolution:0.28
- Infill:10%
- Filament brand:
esun
- Filament color:
ePLA-Matte black & silver
- Filament material:
PLA
How I Designed This
License
Tokina AT-X 16-28mm f/2.8_Upgrade lens housing_Ver.02
by DoNotLeaN is licensed under the Creative Commons - Attribution - Non-Commercial license.
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