[LRflex] Re: Bust before a Nap, Fader ND filter pictures
- From: Bille Xavier F. <hot_billexf@xxxxxxxxxxx>
- To: "leicareflex@xxxxxxxxxxxxx" <leicareflex@xxxxxxxxxxxxx>
- Date: Mon, 8 Apr 2013 16:19:28 +0200
David, Indeed,, if the effect is increased more than 3/4, it starts to bug the
image, the edges begin to blurr. As for the price, it comes in many flavours,
this one in made by FotGa in China and it's affordable. Probably worth its
price.
Cheers.
#-----------------------------------
From : Xavier F. BILLE
mail : hot_billexf@xxxxxxxxxxx
Maisons Alfort - France
> From: dsy@xxxxxxxxxxxxxxx
> To: leicareflex@xxxxxxxxxxxxx
> Date: Mon, 8 Apr 2013 06:54:56 -0700
> Subject: [LRflex] Re: Bust before a Nap, Fader ND filter pictures
>
> An interesting device, Xavier!
>
> At 3/4 rotation, it seems not to produce the artifacts that show in some of
> the
> web-pages which describe such items.
>
> Your experience with the AF makes me wonder if the polarizers are linear
> ones,
> in order to shut out the light, while modern TTL AF systesm require circular
> polarizing filters. Just a thought...
>
> If not too expensive, these may prove a handy addition to one's gadget bag,
> especially if traveling by air, where weight and space prevent taking a "kit"
> of ND filters.
>
> Thanks for the report!
>
> David.
>
> > Good Day Flexers.
> >
> > Recently, I have enquired about a 'nice product', the Fader ND. It's a
> > Neutral Density filter with a variable opacity.
> >
> > As David Y. explained, it's two polarizing filter mounted together (to
> > simplify). A scales let you change the 'power' between ND1 and ND400.
> >
> > First of all, no need to go for the max, I have found on the Digilux3
> > that 3/4 is largely enough. Rotating the scale to the max blackens the
> > display, the autofocus dies out and the exposure meter goes berseck..
> > And the resulting image ends up in the recycle... In fact it changes the
> > tones and there are so much of chromatic aberration that it is not
> > usable.
> >
> > Now, the Fader mounted on pancake 25mm Oly on the Digilux, 43mm
> > diameter, a 15 RoRos fader , China made:
> > http://xavierf.b.free.fr/Temp/Fader/DSCF2191_dev.jpg
> >
> > And, an image, 100 ISO, F2.8, at 1/1000th speed, ND to MIN:
> > http://xavierf.b.free.fr/Temp/Fader/L1010300_dev.jpg
> > Same, place, rotating the NB to 3/4, the speed comes down to 1/80 (a
> > good 5 stops lower): http://xavierf.b.free.fr/Temp/Fader/L1010303_dev.jpg
> >
> > The second image shows more saturation.
> >
> > It should be possible to incerease the rotation of the ND filter scale
> > but it starts to show aberration. I don't think these are effect from an
> > Infra Red action, the foliage keeps its colors in other tests I
> > conducted. But the autofocus tends to mess up any way, it focus too
> > close.
> >
> > After these images, I did a great 'siesta' in this winter garden, in the
> > heat of a late winter. Ahhhh, that was delicious.
> >
> > I hope it helps out: I would say that this device should be handy, in
> > case for instance you want to take images, wide open to keep a shallow
> > DOF in Persepolis (Iran), in the middle of the desert. I would say that
> > it may degrade the image quality a bit, but, it's an uncommon situation.
> >
> > Just for the fun, 43mm is very close to 40mm. I have been able to do a
> > quick test of the Elpro VIb on a Fuji X20:
> > http://xavierf.b.free.fr/Temp/Fader/L1010208_dev.jpg
> >
> > It does the job if the zoom of the compact X20 is set to equ. 50mm. No
> > surprise ! Have a nice week. #----------------------------------- From :
> > Xavier F. BILLE mail : hot_billexf@xxxxxxxxxxx Maisons Alfort - France
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