Lens front cap stuck within lens hood on Takumar A zoom

teepee_uk · 02-16-2013, 06:43 AM

Riiiight. Have searched the forum for similar topics, not seeing anything. Apologies if this is a common Q...

Got a huge parcel of lenses today, very pleased with general condition on most of them.

Downside, one, a takumar A zoom, (F/4.5, 80-200mm) has a front lens cap stuck inside the lens hood.
God knows how the previous owner got it in there, and there isn't a gap to fit in paper around it.
It is on there. There is no play in it at all, hood itself isn't airtight so I can't use air pressure to pop it.

Brute strength hasn't yielded a result, don't want to damage the cap because it's close to the front element.

If there's an answer to this one, I am all ears!

**mattt** · 02-16-2013, 07:04 AM

Metal hood or plastic. You may want to try warm water to expand the hood.

teepee_uk · 02-16-2013, 07:40 AM

Originally posted by mattt

Metal hood or plastic. You may want to try warm water to expand the hood.

Plastic. Better for heating?

**chemtech** · 02-16-2013, 07:49 AM

Here's something to try: Put a thick hand towel (just slightly damp) in the microwave (if available) "cook" for 2mins until hot. Take paper towels or another thin towel and wrap around the "hot" one from the Mikc and then wrap around the hood.

aoeu · 02-16-2013, 08:07 AM

A few questions?

First is this description accurate in every detail? I don't see it listed anywhere.
takumar A zoom, (F/4.5, 80-200mm)

Is the hood built in to the lens? If so, does it slide?
If not, what prevents you from removing the hood?

**JimJohnson** · 02-16-2013, 08:10 AM

Is that hood attached to the lens' screw threads, or is it a bayonet mount? I assume you have tried removing the hood?

worse case scenario, screw a small SHORT screw into the cap and use it to pull the cap off. A dab of goop will repair the cap, or generic lens caps are pretty inexpensive.

**jatrax** · 02-16-2013, 08:48 AM

If you cannot remove the lens hood. Try superglue. Put a dot on the lens cap with a piece of string through it. Let sit over night (despite claims of 'instant stick', it takes 24 hours to get maximum strength). Then tug the lens cap out. After the cap is out remove the glue. Hot water usually works, but nail polish remover will work if the hot water doesn't.

SOldBear · 02-16-2013, 08:50 AM

A suction cup may work.

teepee_uk · 02-16-2013, 03:01 PM

Got it in the end by warming up the plastic hood and giving it a few hard taps along one edge. Then I put the lens cap back on, moved the hood up, and it locked tight again

Design flaw. Am going to have to use a step down ring and put a clip-in lens cap on there.

Oh, and it's not an A zoom either, it's one of these.
Not killer by any stretch of the imagination, but good walk-around range, no zoom creep.

02-16-2013, 06:43 AM	#1
teepee_uk New Member Join Date: Oct 2011 Photos: Gallery \| Albums Posts: 5	Lens front cap stuck within lens hood on Takumar A zoom Riiiight. Have searched the forum for similar topics, not seeing anything. Apologies if this is a common Q... Got a huge parcel of lenses today, very pleased with general condition on most of them. Downside, one, a takumar A zoom, (F/4.5, 80-200mm) has a front lens cap stuck inside the lens hood. God knows how the previous owner got it in there, and there isn't a gap to fit in paper around it. It is on there. There is no play in it at all, hood itself isn't airtight so I can't use air pressure to pop it. Brute strength hasn't yielded a result, don't want to damage the cap because it's close to the front element. If there's an answer to this one, I am all ears!

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02-16-2013, 07:04 AM	#2
mattt Site Supporter Join Date: Feb 2011 Location: Niagara Photos: Gallery \| Albums Posts: 3,907	Metal hood or plastic. You may want to try warm water to expand the hood.

02-16-2013, 07:40 AM	#3
teepee_uk New Member Join Date: Oct 2011 Photos: Gallery \| Albums Posts: 5 Original Poster	Originally posted by mattt Metal hood or plastic. You may want to try warm water to expand the hood. Plastic. Better for heating?

02-16-2013, 07:49 AM	#4
chemtech Site Supporter Join Date: May 2010 Location: Kansas Photos: Gallery \| Albums Posts: 509	Here's something to try: Put a thick hand towel (just slightly damp) in the microwave (if available) "cook" for 2mins until hot. Take paper towels or another thin towel and wrap around the "hot" one from the Mikc and then wrap around the hood.

02-16-2013, 08:07 AM	#5
aoeu Veteran Member Join Date: Sep 2010 Location: Oregon Posts: 496	A few questions? First is this description accurate in every detail? I don't see it listed anywhere. takumar A zoom, (F/4.5, 80-200mm) Is the hood built in to the lens? If so, does it slide? If not, what prevents you from removing the hood?

02-16-2013, 08:10 AM	#6
JimJohnson Loyal Site Supporter Join Date: Jan 2012 Location: Summer:Lake Superior - Michigan Winter:Texas Hill Country Photos: Gallery Posts: 2,772	Is that hood attached to the lens' screw threads, or is it a bayonet mount? I assume you have tried removing the hood? worse case scenario, screw a small SHORT screw into the cap and use it to pull the cap off. A dab of goop will repair the cap, or generic lens caps are pretty inexpensive.

02-16-2013, 08:48 AM	#7
jatrax Site Supporter Join Date: May 2010 Location: Washington Cascades Photos: Gallery \| Albums Posts: 12,991	If you cannot remove the lens hood. Try superglue. Put a dot on the lens cap with a piece of string through it. Let sit over night (despite claims of 'instant stick', it takes 24 hours to get maximum strength). Then tug the lens cap out. After the cap is out remove the glue. Hot water usually works, but nail polish remover will work if the hot water doesn't.

02-16-2013, 08:50 AM	#8
SOldBear Veteran Member Join Date: Feb 2009 Location: Alameda, CA Posts: 3,206	A suction cup may work.

02-16-2013, 03:01 PM	#9
teepee_uk New Member Join Date: Oct 2011 Photos: Gallery \| Albums Posts: 5 Original Poster	Got it in the end by warming up the plastic hood and giving it a few hard taps along one edge. Then I put the lens cap back on, moved the hood up, and it locked tight again Design flaw. Am going to have to use a step down ring and put a clip-in lens cap on there. Oh, and it's not an A zoom either, it's one of these. Not killer by any stretch of the imagination, but good walk-around range, no zoom creep.