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Post by gray1720 on Nov 6, 2024 17:33:04 GMT
Some are pinholes - eg Scan006 - but what the hell is that big bastard from?
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Post by spinno on Nov 6, 2024 17:54:31 GMT
Some are pinholes - eg Scan006 - but what the hell is that big bastard from?
Last month's comet? |
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Post by kate on Nov 6, 2024 18:29:01 GMT
The shape makes me think the lowering arms have something to do with it. Can you black cloth actross it next time?
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Post by gray1720 on Nov 6, 2024 18:30:29 GMT
The shape makes me think the lowering arms have something to do with it. Can you black cloth actross it next time? Good question. I'm hoping to find likely causes first! I think the shape is the flap over the red window, but I can't see how light is getting in there, past the backing paper, & onto the film. |
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Post by steveandthedogs on Nov 6, 2024 21:01:55 GMT
Doubt if it's the red window. The blobs from that are round and fuzzy and only in the corner when it's happened to me. Also only one blob.
Also when no cover over the window.
Could it be something to do with processing?
S
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Post by peterob on Nov 6, 2024 21:31:09 GMT
Why should scan0003 be OK? It is a bit odd.
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Post by John Farrell on Nov 7, 2024 0:19:13 GMT
Do you have a light reflection inside the camera? Something that isn't matt black?
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Post by zou on Nov 7, 2024 6:13:13 GMT
Do you have a light reflection inside the camera? Something that isn't matt black? I'd agree, the neatness seems to me more like a reflection than light leaks, which I think tend to be softer edged. |
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Post by zx9 on Nov 7, 2024 10:37:40 GMT
Doubt if it's the red window. The blobs from that are round and fuzzy and only in the corner when it's happened to me. Also only one blob. Also when no cover over the window. Could it be something to do with processing? S Agreed the 69 window is bottom right of the camera back so would cause a round defect top left of the negative image, 66 window would be centred.
Side note: I do wonder how effective the red window is with faster panchromatic film, a thought that occurred to me shining a torch in the back of my 617 pinhole trying to see the frame numbers on FP4+ thought this seemed to not be problematic.
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Post by gray1720 on Nov 7, 2024 11:48:55 GMT
Why should scan0003 be OK? It is a bit odd. I think it is there in the original, but much fainter than the others, so it fades out when you poke the levels. Equally odd! |
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Post by El Sid on Nov 7, 2024 12:28:06 GMT
Some kind of internal reflection in the lens? The fact that you get a double 'flare' in scan004ed that appear identical is suspicious.
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Post by peterob on Nov 7, 2024 12:47:34 GMT
Why should scan0003 be OK? It is a bit odd. I think it is there in the original, but much fainter than the others, so it fades out when you poke the levels. Equally odd! If the levels were unadjusted I'd have said that it was nearer a "correct" exposure compared to the others, which look a bit over-exposed, leading to the question "is the effect aperture specific?" |
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Post by gray1720 on Nov 7, 2024 14:02:44 GMT
I think it is there in the original, but much fainter than the others, so it fades out when you poke the levels. Equally odd! If the levels were unadjusted I'd have said that it was nearer a "correct" exposure compared to the others, which look a bit over-exposed, leading to the question "is the effect aperture specific?" Probably not as it was pretty bright all round, I don't recall changing the aperture by more than a stop. The levels are misleading, auto levels for done reason like these quite light, with 0003 I pushed the sliders up myself. |
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Post by zou on Nov 7, 2024 14:31:12 GMT
Cement between lens elements?
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Post by steveandthedogs on Nov 7, 2024 16:20:55 GMT
Doubt if it's the red window. The blobs from that are round and fuzzy and only in the corner when it's happened to me. Also only one blob. Also when no cover over the window. Could it be something to do with processing? S Agreed the 69 window is bottom right of the camera back so would cause a round defect top left of the negative image, 66 window would be centred.
Side note: I do wonder how effective the red window is with faster panchromatic film, a thought that occurred to me shining a torch in the back of my 617 pinhole trying to see the frame numbers on FP4+ thought this seemed to not be problematic.
It isn't. Unless there is a sliding cover.
S
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