Hood recommendation for M 20/4?

iht · 10-08-2013, 06:09 AM

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Any hood recommendation for the M 20/4 that will not vignette on a full frame? It has a 49mm filter thread. I can't find an original hood.

I'd be happy with anything not too expensive, e.g. a rubber hood.

Thanks in advance

Macario · 10-08-2013, 06:38 AM

I do not think such a hood excists. I have one, and even a UV-filter is tricky, you need a thin one, otherwise there will be vignetting

iht · 10-08-2013, 06:40 AM

Originally posted by Macario

I do not think such a hood excists. I have one, and even a UV-filter is tricky, you need a thin one, otherwise there will be vignetting

It definitely exists - just not enough to go around.

rob1234 · 10-08-2013, 08:56 AM

This should work?

UK 49mm 49 mm Wide Angle Metal Lens Hood for Canon Nikon Panasonic Olympus Sony | eBay

pixie · 10-08-2013, 09:21 AM

how about this one:http://www.ebay.com/itm/Vivitar-Wideangle-Collapsible-Lens-Hood-49mm-Genuine...item2ec7e9d25b

iht · 10-08-2013, 07:55 PM

Thanks guys. I had a look at those hoods - wouldn't they vignette at 20mm? I would thought that's why the original square hood is so narrow?

lytrytyr · 10-09-2013, 05:21 AM

Originally posted by iht

Any hood recommendation for the M 20/4 that will not vignette on a full frame?

Use a step-up ring to 52mm or 58mm,
then a hood to fit that diameter.

iht · 10-10-2013, 05:33 AM

Ah, I see. That could work. Thanks for the suggestion

lytrytyr · 10-10-2013, 05:49 AM

Originally posted by iht

Ah, I see. That could work.

It's what I did for the M20/4 on an LX.
I already had the big dinner plate hood from an old Takumar 20/4.5,
58mm filter thread, so just converted to that.

In baseball terminology,
it's called "stepping up to the plate".

10-08-2013, 06:09 AM	#1
iht Veteran Member Join Date: May 2009 Location: Sydney, Australia Photos: Gallery Posts: 528	Hood recommendation for M 20/4? Staff note: This post may contain affiliate links, which means Pentax Forums may earn a small commission if a visitor clicks through and makes a purchase. If you would like to support the forum directly, you may also make a donation here. Any hood recommendation for the M 20/4 that will not vignette on a full frame? It has a 49mm filter thread. I can't find an original hood. I'd be happy with anything not too expensive, e.g. a rubber hood. Thanks in advance

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10-08-2013, 06:38 AM	#2
Macario Pentaxian Join Date: Feb 2011 Location: Hoek van Holland Photos: Gallery \| Albums Posts: 1,393	I do not think such a hood excists. I have one, and even a UV-filter is tricky, you need a thin one, otherwise there will be vignetting

10-08-2013, 06:40 AM	#3
iht Veteran Member Join Date: May 2009 Location: Sydney, Australia Photos: Gallery Posts: 528 Original Poster	Originally posted by Macario I do not think such a hood excists. I have one, and even a UV-filter is tricky, you need a thin one, otherwise there will be vignetting It definitely exists - just not enough to go around.

10-08-2013, 08:56 AM	#4
rob1234 Veteran Member Join Date: Apr 2010 Location: Wiltshire/Hampshire Photos: Albums Posts: 1,760	This should work? UK 49mm 49 mm Wide Angle Metal Lens Hood for Canon Nikon Panasonic Olympus Sony \| eBay

10-08-2013, 09:21 AM	#5
pixie Pentaxian Join Date: Sep 2012 Location: California Photos: Gallery \| Albums Posts: 873	how about this one:http://www.ebay.com/itm/Vivitar-Wideangle-Collapsible-Lens-Hood-49mm-Genuine...item2ec7e9d25b

10-08-2013, 07:55 PM	#6
iht Veteran Member Join Date: May 2009 Location: Sydney, Australia Photos: Gallery Posts: 528 Original Poster	Thanks guys. I had a look at those hoods - wouldn't they vignette at 20mm? I would thought that's why the original square hood is so narrow?

10-09-2013, 05:21 AM	#7
lytrytyr Pentaxian Join Date: Nov 2011 Photos: Gallery \| Albums Posts: 4,310	Originally posted by iht Any hood recommendation for the M 20/4 that will not vignette on a full frame? Use a step-up ring to 52mm or 58mm, then a hood to fit that diameter.

10-10-2013, 05:33 AM	#8
iht Veteran Member Join Date: May 2009 Location: Sydney, Australia Photos: Gallery Posts: 528 Original Poster	Ah, I see. That could work. Thanks for the suggestion

10-10-2013, 05:49 AM	#9
lytrytyr Pentaxian Join Date: Nov 2011 Photos: Gallery \| Albums Posts: 4,310	Originally posted by iht Ah, I see. That could work. It's what I did for the M20/4 on an LX. I already had the big dinner plate hood from an old Takumar 20/4.5, 58mm filter thread, so just converted to that. In baseball terminology, it's called "stepping up to the plate".

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