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Comment by tyronet2000 posted on Variable ND Filters and Metering problems at 21/08/2012 - 21:35
WARNING
This camera is subject to breakdowns during periods of critical need
A special circuit in the camera called a critical detector, senses the operator's emotional state in terms of how desperate he or she is to capture the shot.
The critical detector then creates a malfunction proportional to the desperation of the operator.
Threatening the camera with violence only aggravates the situation. Likewise, attempts to use another camera may cause it also to malfunction - they belong to the same union!
Keep cool and say nice things to the camera. Nothing else seems to work. Never let a camera know you are in a hurry.
Comment by tyronet2000 posted on Another pointless thread at 21/08/2012 - 12:35
@ tyronet/ Stan
Unfortunately, those dark bands are a feature of this type of variable ND filter. The wider the angle lens, the worse the banding. It means that widening the lens angle means that the amount of 'stopping' you can do reduces.
I have a 67mm one from 7dayshop and nearly sent it back because of this, until I discovered this was a feature.
Below is a table I found somewhere showing the limitations;
12mm: ND4 to ND8 3 stop operating range
15mm: ND4 to ND16 4 stop operating range
18mm: ND4 to ND32 5 stop operating range
24mm: ND4 to ND64 6 stop operating range
35mm: ND4 to ND125 7 stop operating range
40mm: ND4 to ND175 7.5 stop operating range
50mm: ND4 to ND250 8 stop operating range
70mm: ND4 to ND350 8.5 stop operating range
100mm: ND4 to ND500 9 stop operating range
Hope that helps
Andy
Comment by tyronet2000 posted on Variable ND Filters and Metering problems at 20/08/2012 - 19:07
Comment by tyronet2000 posted on If you could only take one lens.. at 20/08/2012 - 15:08
#1
[IMG]http://i1100.photobucket.com/albums/g406/tyronet2000/Cresswell%20ND/resize_K5_1576.jpg[/IMG]
#2
[IMG]http://i1100.photobucket.com/albums/g406/tyronet2000/Cresswell%20ND/resize_K5_1577.jpg[/IMG]
#3
[IMG]http://i1100.photobucket.com/albums/g406/tyronet2000/Cresswell%20ND/resize_K5_1580.jpg[/IMG]
#4
[IMG]http://i1100.photobucket.com/albums/g406/tyronet2000/Cresswell%20ND/resize_K5_1584.jpg[/IMG]
Comment by tyronet2000 posted on Variable ND Filters and Metering problems at 20/08/2012 - 15:00
Comment by tyronet2000 posted on If you could only take one lens.. at 20/08/2012 - 11:11
Just remembered - Douglas Adams knew the answer all along.
Bearing in mind that the 'standard' lens on 35mm was a 50mm, the answer to the ultimate question for an APSC dslr is obviously '42' (mm) !!!
Peter:
Comment by tyronet2000 posted on If you could only take one lens.. at 20/08/2012 - 10:39
Comment by tyronet2000 posted on Another pointless thread at 19/08/2012 - 20:45
I sold my Sigma 10 - 20 and a 50mm macro to fund a 18 - 135 WA. So far I'm delighted with it. Why that DC motor isn't in every Pentax lens I don't know.
Comment by tyronet2000 posted on If you could only take one lens.. at 19/08/2012 - 13:43
Comment by tyronet2000 posted on If you could only take one lens.. at 19/08/2012 - 12:37
davidstorm... They are never going to compete with a Lee Big Stopper and I don't think anyone would expect them to.
I think its like everything in photography, practice and get advice. I have the 62mm from 7dayshop and to be honest didn't have a clue when I first got it but had a little success eventually. I need to keep a record of what I set it to, and then try and repeat it. Then I'll give the 77mm a try again.
When using in tandem with a CPL do you have them on the lens then focus through the clearest setting in AF then switch to manual and adjust the filters and shutter speed etc. Thanks for the help