Pentax 2.8 70-200 lens mount?

scatron · 01-20-2023, 04:40 PM

The mount broke after my 2.8 70-200 fell on the ground. Looks like it's just attached with 4 screws. Anyone have an extra laying around or know where I can find one? Thanks.

**UncleVanya** · 01-20-2023, 06:07 PM

Strongly recommend repair. There may be internal damage. Second choice a donor lens that isn’t very expensive.

Paul the Sunman · 01-20-2023, 11:25 PM

The mount or the foot? Since you mentioned four screws, I guess it's the former. So is the mounting plate itself broken, or did it just come away from the lens?

A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the mounting plate.

Not a Number · 01-21-2023, 03:23 AM

Ricoh won't sell you parts so you'd have to find something on the used market. There is going to be collateral damage with that sort of forces involved. Autofocus drive broken, elements out of alignment etc. Odds are the lens would have to go back to Japan to be properly repaired and brought back to specs.
Do you have insurance coverage?

scatron · 01-25-2023, 11:20 AM

Originally posted by Paul the Sunman

The mount or the foot? Since you mentioned four screws, I guess it's the former. So is the mounting plate itself broken, or did it just come away from the lens?

A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the morning plate.

Thanks for that link. Both the mount and the foot have parts broken off where they connect to each other.

I'm still using the lens. It's functioning normally - just a little wobbly on the monopod.

angerdan · 01-25-2023, 02:13 PM

Originally posted by Paul the Sunman

A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the morning plate.

Interesting find

I'll link the page name and product number here, in case sombody is searching for it:

Pentax O-TM80 Tripod Mount 38101 - Adorama
https://www.adorama.com/ipxotm80tm.html

01-20-2023, 04:40 PM	#1
scatron Veteran Member Join Date: Jun 2008 Location: Sandy, Utah Photos: Gallery \| Albums Posts: 303	Pentax 2.8 70-200 lens mount? The mount broke after my 2.8 70-200 fell on the ground. Looks like it's just attached with 4 screws. Anyone have an extra laying around or know where I can find one? Thanks.

01-20-2023, 11:25 PM	#3
Paul the Sunman Pentaxian Join Date: Aug 2011 Location: Melbourne Photos: Gallery Posts: 4,842	The mount or the foot? Since you mentioned four screws, I guess it's the former. So is the mounting plate itself broken, or did it just come away from the lens? A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the mounting plate. Last edited by Paul the Sunman; 01-25-2023 at 02:48 PM.

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01-20-2023, 06:07 PM	#2
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,398	Strongly recommend repair. There may be internal damage. Second choice a donor lens that isn’t very expensive.

01-21-2023, 03:23 AM	#4
Not a Number Moderator Join Date: Mar 2012 Location: Venice, CA Posts: 10,526	Ricoh won't sell you parts so you'd have to find something on the used market. There is going to be collateral damage with that sort of forces involved. Autofocus drive broken, elements out of alignment etc. Odds are the lens would have to go back to Japan to be properly repaired and brought back to specs. Do you have insurance coverage?

01-25-2023, 11:20 AM	#5
scatron Veteran Member Join Date: Jun 2008 Location: Sandy, Utah Photos: Gallery \| Albums Posts: 303 Original Poster	Originally posted by Paul the Sunman The mount or the foot? Since you mentioned four screws, I guess it's the former. So is the mounting plate itself broken, or did it just come away from the lens? A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the morning plate. Thanks for that link. Both the mount and the foot have parts broken off where they connect to each other. I'm still using the lens. It's functioning normally - just a little wobbly on the monopod.

01-25-2023, 02:13 PM	#6
angerdan Pentaxian Join Date: Feb 2015 Photos: Gallery \| Albums Posts: 2,639	Originally posted by Paul the Sunman A O-TM80 replacement foot can be had from Adorama, but I don't know the part number or availability of the morning plate. Interesting find I'll link the page name and product number here, in case sombody is searching for it: Pentax O-TM80 Tripod Mount 38101 - Adorama https://www.adorama.com/ipxotm80tm.html

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