Search results for 'uv filter' - page 253
Filters exposure compensation
As the camera meter is looking through the lens, and hence also the filter, you can meter as normal.
Posted by johnriley on 30/01/2014 - 22:30
Filters exposure compensation
Hi Bjørn, I presume by B&W you mean monochrome and not filters from the company called 'B+W'? I'm not totally familiar with the 67ii prisms, but it should meter taking account of the coloured filters without needing exposure compensation. But, bear in mind the meter is likely calibrated for wh...
Posted by johnha on 30/01/2014 - 22:39
Filters exposure compensation
As the camera meter is looking through the lens, and hence also the filter, you can meter as normal. Thank you very much John! I suspected that this was the case, I just wanted to make sure. Shooting 120 film these days is quite expensive, so it is best to avoid making basic mistakes...:) Best re...
Posted by bjolester on 30/01/2014 - 22:41
Filters exposure compensation
Hi Bjørn, I presume by B&W you mean monochrome and not filters from the company called 'B+W'? I'm not totally familiar with the 67ii prisms, but it should meter taking account of the coloured filters without needing exposure compensation. But, bear in mind the meter is likely calibrated for wh...
Posted by bjolester on 30/01/2014 - 23:12
HELOGEN LIGHTING
This is a difficult one to predict - it depends on the halogen lighting. I sell to dentists and we use halogen bulbs in dental lights, but the colour teperature can vary from 4000K to 5500K. It can, therefore, be very close to daylight, but it could be much redder. I would be inclined to shoot a ...
Posted by johnriley on 09/03/2003 - 20:32
Optio 430 RS
In Photoshop, select Image>Mode>Lab Color In the channels box, deselect channel a and b leaving only the black and white lightness channel. Select Filter>Sharpen>Unsharp Mask Increase the unsharp mask until you are happy that the picture is sharp but not over-sharpened. Click OK Sele...
Posted by johnriley on 16/09/2003 - 18:15
Filter holder /filter set with wallet
Hi Can someone advise how much I would be expected to pay for a Filter holder & manual along with a black and white set of filters in a case? for a pentax super camera?
Posted by sequin on 14/11/2003 - 08:41
Filter holder /filter set with wallet
Sequin, Could be almost any price :) It is not the camera type that is important, but the filter thread size. If you have a 50mm lens, it will almost certainly be 49mm. Here are some places to try looking: www.7dayshop.com www.mxv.co.uk (second hand) www.parkcameras.com (very helpful if yo...
Posted by MattMatic on 14/11/2003 - 09:53
Filter holder /filter set with wallet
Thanks Matt for the nifty response!
Posted by sequin on 14/11/2003 - 10:11
ME Super- Jammed Shutter.
Hi- Hope you can help. Pentax ME Super on 19/2/05. Taking 2nd Picture on new roll of film, Just changed to Polariser filter, when I looked through viewfinder it was totally black. Shutter appears to be locked/jammed open since then. Any help most appreciated. Cheers: dm
Posted by Anonymous on 21/02/2005 - 08:41
mz5 flash popup doesn't work!
From Boz: This system works as follows. The main mirror which is semi-transparent in the middle lets a fixed amount of light pass to a small auxiliary mirror at its back. This mirror redirects the light to a light sensitive CCD-sensor which makes a decision on whether the image is in focus, and t...
Posted by George Lazarette on 15/11/2005 - 10:26
Long exposure
It depends what you use for processing... If you shoot JPG, then it's probably best left enabled. You can use products like NeatImage to filter the JPG afterward, but I've not tried that. If you shoot RAW, then using Capture One will give you excellent noise reduction already. Adobe Camera RAW...
Posted by MattMatic on 08/09/2005 - 13:29
Fungus - latest thoughts?
Hi Kimbo, Just a few thoughts on fungus based on personal experience/research and discussing the matter with both Mike Spencer and Robin from Harrow Technical. In all I have had about 8 lenses suffering from Fungus. 6 cleaned fairly easily, one was difficult and the last was damaged well beyond rep...
Posted by Kim C on 12/10/2005 - 16:04
cleaning sensor and focussing screen on DS
sensor cleaning... well as i understand it no-one actually is cleaning the sensor - what you actually clean is a piece of glass that protects the sensor. So i thought i'd do a bit of a test, i got a piece of glass (old filter) and a piece of plastic (that should have far less scratch resista...
Posted by dexteruk on 16/06/2006 - 04:09
cleaning sensor and focussing screen on DS
Interesting topic. Here’s my 2 cents worth. I am a subscriber to Luminous Landscape's Video Journal (a quarterly DVD photographic magazine) and in the latest issue - #14, there is a tour of the Phase One medium format digital back assembly lab in Copenhagen. At one point it shows a woman preparin...
Posted by photo*ist on 16/06/2006 - 06:38
cleaning sensor and focussing screen on DS
Peter, If you want to try out a cleaning fluid - try it on a "Pro" filter. They're pretty tough and will show up any streaking problems (or the like). Matt
Posted by MattMatic on 16/06/2006 - 13:16
cleaning sensor and focussing screen on DS
Hi Drew, it'll pretty much be as clean as the surrounding air. Wrap a piece of a coffee machine filter or similar around the exit tube, and see what you catch. You'll probably lose a fair amount of the power though, as the "filter" will diffuse the air, depending on how the fibres of...
Posted by LiamD on 16/06/2006 - 20:36
cleaning sensor and focussing screen on DS
Hi Drew, it'll pretty much be as clean as the surrounding air. Yes, that was what I was trying to point out (in my own no so "daft" way :lol: :lol:). The world is a very dusty place and the air I am cleaning it with is probably as dirty as the air that got it dirty in the first plac...
Posted by photo*ist on 17/06/2006 - 00:42
cleaning sensor and focussing screen on DS
:shock: so i take it that using say a kenro or simular compressed air duster is not a good plan then (not had to clean a ccd yet) you could also safe gaurd against dust by changing lenses in a more dust free enviroment ie turn your back on a race track and change with your camera inside a coat in...
Posted by photo*ist on 17/06/2006 - 07:35
cleaning sensor and focussing screen on DS
Off topic a bit since the OP was talking about a DS, but what do people think about cleaning the sensors on the K100/K10? I know theoretically this shouldn't be needed on the K10 because of DR, but the K100 has no such luxury. I'm not that worried about damage to the CCD, as I think the low pa...
Posted by Mongoose on 15/01/2007 - 20:23
