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Reviews (5)
12 Jul, 2016
THE FUJIAN LENS SYSTEM.
For a telecine project, I have bought three of the Fujian lenses for testing using a SI2K camera. They are the 25mm, 35mm and 50mm examples. They all resolve comparably sharp with professional lenses in the Super16mm class.
Wide-open, their sharpness and contrast falls away but no more so than much more expensive PL-Mount counterparts I own and operate.
Their fixture to a camera is by C-Mount, a long-established industry standard, which has become popular with CCTV surveillance cameras.
The machining finish is of fine quality, fully comparable with much more expensive hardware. For the price, one must not expect sophisticated transport of lens elements for focus.
The mechanism is simple, a single broad square-cut helicoid in the focus ring which engages a screw-stud fastened into the lens group and located through a slot in a surrounding cylinder which forms the inner lens body.
The entire assembly of optical elements moves for focus adjustment.
The machining finish on the working surfaces is fine and in my specimens did not baulk, ran smoothly and surprisingly did not cause an image shift when the focus was operated. The fine fit of the internal working surfaces and the use of a high viscosity lubricant certainly helps.
As for image shift, they perform better than my long cinema lenses. That however is not a fair comparison as my cinema lenses have seen much use and must be expected to be worn internally. How long that lasts with the Fujian lenses one cannot know until the lenses have seen much use.
The focus operation of a second example of the 50mm which I bought was initially frozen. The lubricant used is a high viscosity material. I suspect that when the mechanism is parked at the extreme ends of its travel, over a long period of storage, the material may have formed a vacuum bond with flat surfaces. Once freed the travel was smooth.
The front of the lens body screws into the lens barrel and retains the focus ring. It was hand-tight on all examples I have received. There are no grub-screws on radial centres used for locking this piece. The process would require six or more added machining operations and hand fitment of miniature screws and increase the cost.
If the C-Mount is overtightened when mounting the lens to cameera, then the front of the lens may loosen before the C-Mount will release.
The temptation will then emerge to grip the lens by its entire outer surface to unscrew it from the C-Mount. There remains very little of the actual body which is not covered by the focus and aperture rings.
Care therefore needs to be taken not to concentrate the load of unscrewing a lens from a tight C-Mount by end-stopping the focus and aperture rings and using them to apply the twisting force. This places an undesirable load on the both the aperture and focus actuation studs which are small screws and may break off.
Of the two, the focus stud is the most robust because it also runs in a slot cut along the optical axis. Never overstress the aperture ring ever. Beside the risk of damaging the fragile iris blades, the screw may disengage with its slot in the control ring and the ring turn without moving the aperture blades with only a slightly increased apparent friction.
In most instances this can be restored by continuing to rotate the ring in the "iris-open" direction until the slot in the ring finally re-engages with the stud. Do not attempt to re-engage the stud in the ring by turning in the "iris-closed" direction.
These lens products represent very good value for money spent.
12 Feb, 2013
Prompted by video rental customer enquiries, I searched and found the DVD.
The motion picture "E'Lollipop", believed to have been released to US audiences as "Run Wild Run Free", screened in Western Australia at the Academy Cinemas which ceased to trade some years ago.
The version screened there represented a couragous decision by the film makers who elected to eschew the typical happy-ever-after resolution.
The "Run Wild Run Free" cut seen on free-to-air television release was a re-edit to render the ending a happy one. It may have been a version for US audiences who traditionally are averse to downer conclusions.
Unusual at the time was an observed Perth audience reaction to a screening well after the initial release date. Most of the audience responded at conclusion with a standing ovation.
Then, the spectre of militant apartheid was becoming a part of the world view of citizens outside of South Africa.
The film was seen then by the more aware audiences as having been "risky" for the makers in that a counter-apartheid ethos was being evoked by the story and its setting.
I subsequently wondered how adversely the careers of the film makers may have been affected by taking a moral stance which was to become increasingly and dangerously politically sensitive .
There was a little moral message for growing children in that for impulsive or self-centred behaviour, sometimes their best friends may end up paying the price.
The moral message for adults was that racism is substantially aquired by teaching, not born into people.
Lee Holdridge's score was a core emotional prompt and served well, one of his best.
The two principal child actors had a natural charm about them without the precociousness which had become commonly expected from US mainstream.
The adult character actors more than held their own. The scene with Karen Valentine attempting to convince the locals on the blessings and benefits of birthcontrol was mint.
It was also topical at the time in that a paternalistic mindset still existed in some people and agencies acting with under-informed best intentions in third-world countries.
More recently there have been several enquiries for the title at the video rental store by customers who fondly remembered the film.
Viewers who recall enjoying the more later popular films of Jamie UYS ( "The Gods Must Be Crazy" ) and his early pieces "Beautiful People" and "Lost In The Desert" should not be disappointed with "E'Lollipop" or "Run Wild Run Free", whichever is the restored version now reproduced for DVD release.
11 Jan, 2017
THE RUPES SUPER STORK ORBITAL SANDER.
Even among today's offerings, to me at least, this now quite old machine ranks right up there as one of the better ones. I had not bothered to try find a replacement rubber boot for the machine, thinking it would no longer be supported after some 30 years. So it was a pleasant surprise to find stock of the part in Australia easily accessible by today's online purchase arrangements.