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11-01-2019, 11:57 AM   #1
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DIY Lens hood 'improvement' - I hope

Recently bought circular screw-in lens hood for 35-70. (49mm thread). Had a look at it, and, although the interior is ridged, an oblique light clearly showed up hot spots. Wondered whether matt black paint would help, then had an idea. Having some self-adhesive 'hook and loop' tape in stock, I cut a length of the 'hook' tape, which has a matt appearance, to fit the interior of the hood, stuck it carefully round the affected area, trimmed off the excess with a craft knife, and checked again with the light. Seems to work, but I'll have to give it a proper test in daylight and with streetlights around just to make sure.

11-01-2019, 12:56 PM - 1 Like   #2
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Right idea....google "black flocking" / astronomical flocking / optical flocking...
11-01-2019, 01:02 PM   #3
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QuoteOriginally posted by marcusBMG Quote
Right idea....google "black flocking" / astronomical flocking / optical flocking...
Thanks, but I was working with what I have in stock. If results show it to be worthwhile, I'll certainly check those out.
11-01-2019, 01:11 PM   #4
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The only potential problem I see is that the hook and loop material is effectively reducing the inner diameter of the lens hood and could result in unwanted vignetting.

11-01-2019, 03:16 PM   #5
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QuoteOriginally posted by E-man Quote
The only potential problem I see is that the hook and loop material is effectively reducing the inner diameter of the lens hood and could result in unwanted vignetting.
Thanks - wondered about that, so it's one thing I'll be checking.
11-03-2019, 03:44 PM   #6
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Update - tried it on SMC 'pancake' 40mm - no problems at any aperture, infinity or close focus.
11-06-2019, 08:25 AM   #7
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QuoteOriginally posted by 35mmfilmfan Quote
tried it on SMC 'pancake' 40mm
I don't know which hood your using there, but if this velcro stuff doesn't work ... but I picked up this one for under 5 (used) at the local camera store and it's absolutely fine, just a thought is all.



11-07-2019, 01:36 PM   #8
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Thanks, Kerrowdown - mine was 1.50 from abroad ! Seems to work OK so far, cringers fossed.

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