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112mm lens cap for tamron
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PostPosted: Sun Jun 06, 2010 10:56 am    Post subject: 112mm lens cap for tamron Reply with quote
I'm looking for a 112mm lens cap for SP300/2.8 and SP400/4.
I want the once that can be attached with the lens shade mounted, see link:
http://www.vistek.ca/store/CameraLenses/237715/tamron-112mm-lens-cap.aspx

The problem is, I find several shops on google but no one has it in stock.
Does anyone know where I can find a similar lens cap?
Maybe someone here has one the want to get rid off? Smile


PostPosted: Sun Jun 06, 2010 11:13 am    Post subject: Reply with quote
I bought a 112mm lens cap off Ebay that scews into the front filter thread for my 300mm f2.8 Tamron. Damned if I could find anyone with that Tamron one you pointed to or a no name pinch fit one.


PostPosted: Sun Jun 06, 2010 11:28 am    Post subject: Reply with quote
xjjohnno wrote:
I bought a 112mm lens cap off Ebay that scews into the front filter thread for my 300mm f2.8 Tamron. Damned if I could find anyone with that Tamron one you pointed to or a no name pinch fit one.


I'm thinking of buying that one on ebay that screws in.
That would be the next best thing to use, even if the lens shade would have to be removed. Confused

The thing is, the 400/4 fits into it's bag with the Canon mount only if I have the lens cap that goes on the lens shade removed... If I attach it I must remove the Canon adapter in order to get the lens into the bag.

Some sort of protection for the lens front element would be nice to have. Razz


PostPosted: Sun Jun 06, 2010 12:15 pm    Post subject: Reply with quote
Go to pet shop and look some food can cap. They are available for little money and if you are lucky one of them fit to your lens.


PostPosted: Mon Jun 07, 2010 2:08 am    Post subject: Reply with quote
Atilla,

Great idea, now you got me going through my wife's kitchen cupboards looking for covers of different sizes Wink

I just checked, the pint size Haagen Daz caps are 100mm and the quart size are 120mm.


PostPosted: Mon Jun 07, 2010 2:50 am    Post subject: Reply with quote
I bought the screw on type advertised on ebay. A little tight as the lens filter ring was dented possibly in transit from supplier, but useable. Have partially repaired filter ring by tapping with a wooden dowel and hammer.
I'll give an update if I get a 112mm filter (ring) on how smooth this cap goes on.
bb2


PostPosted: Mon Jun 07, 2010 10:05 am    Post subject: Reply with quote
You could look at a hoodie for your lens as well.
http://www.lenscoat.com/hoodie-lens-caps-c-5.html


PostPosted: Mon Jun 07, 2010 1:55 pm    Post subject: Reply with quote
xjjohnno wrote:
You could look at a hoodie for your lens as well.
http://www.lenscoat.com/hoodie-lens-caps-c-5.html


That might not be a bad idea at all... thanks!


PostPosted: Mon Jun 07, 2010 2:09 pm    Post subject: Reply with quote
wilson.c wrote:
Atilla,

Great idea, now you got me going through my wife's kitchen cupboards looking for covers of different sizes Wink

I just checked, the pint size Haagen Daz caps are 100mm and the quart size are 120mm.


Damn it, I hope you will find one in right size , go to super market with a measure tool Smile


PostPosted: Mon Jun 07, 2010 2:41 pm    Post subject: Reply with quote
Attila wrote:
wilson.c wrote:
Atilla,

Great idea, now you got me going through my wife's kitchen cupboards looking for covers of different sizes Wink

I just checked, the pint size Haagen Daz caps are 100mm and the quart size are 120mm.


Damn it, I hope you will find one in right size , go to super market with a measure tool Smile


I'm not sure of what type of cups your'e talking about..?
Maybe we just don't have any of those here in my country...
Can you post a pic please?


PostPosted: Mon Jun 07, 2010 2:48 pm    Post subject: Reply with quote
http://www.formaggiokitchen.com/shop/images/silver-tea-tin.jpg

http://www.freshpromotions.com.au/products/sweet-tin1.jpg

Tin , Can cover , available spare from plastic or just buy genuine metal product like above on pictures if size is right.


PostPosted: Mon Jun 07, 2010 2:52 pm    Post subject: Reply with quote
wilson.c wrote:
Atilla,

Great idea, now you got me going through my wife's kitchen cupboards looking for covers of different sizes Wink

I just checked, the pint size Haagen Daz caps are 100mm and the quart size are 120mm.


I checked mine- I have a few "disposable tupperware" type lids that are 110mm, and an Italian takeout lid that is 115mm but would be easy to cut down. Wink

If it just friction fits inside the hood though, I would think a slightly larger size (larger than 112mm) would be required. You could probably get there pretty easily with a 110mm lid and a wrapping of felt. Other than felt, you could get some stick-on velcro (hook and loop), and only use the fuzzy side. Easy to find locally at the craft stores, and no glue required. Cool


PostPosted: Mon Jun 07, 2010 3:10 pm    Post subject: Reply with quote
I found one on Ebay.

Click here to see on Ebay

Even better transparent cap
Click here to see on Ebay


PostPosted: Mon Jun 07, 2010 3:14 pm    Post subject: Reply with quote
Attila wrote:
http://www.formaggiokitchen.com/shop/images/silver-tea-tin.jpg

http://www.freshpromotions.com.au/products/sweet-tin1.jpg

Tin , Can cover , available spare from plastic or just buy genuine metal product like above on pictures if size is right.


Haha ok! Smile
Well... I think the hood would be better in that case. Smile


PostPosted: Wed Jun 16, 2010 6:10 pm    Post subject: Re: 112mm lens cap for tamron Reply with quote
Swappo wrote:

http://www.vistek.ca/store/CameraLenses/237715/tamron-112mm-lens-cap.aspx


84 USD for a cap? Did I missed something or is this the same as the ones on
http://www.dealextreme.com/search.dx/search.lens%20cap#806

It may be that this size is not often requested, but to ask that price for a piece of cheap plastic is impertinent a lot.
Maybe if you send Dealextreme a mail they could get you a cap in the desired size too. I am sure the producer they get the other caps has this size also.

I like to keep the hood on my lenses and resolved the problem as follows:
First I used this click on caps shown in the links above, but although they work fine for lenses they fell of from hoods whose front end is not a ring but a cone.
Than I tried different caps I got in my household. E.g. all my CZJ hoods (the standard ones for the Biometars for P6) are fitted with plastic caps from mustard bottles. Other diameters were fitted by caps from fruitjuice bottles. Buy you can get the caps from the Pringle chips tubes too, they even come in transparent plastic, good to let UV pass and avoid fungus. Also cups itself or their caps containing yoghurt can be a good source.
My method is this: Get the cap that is a bit lesser in diameter than the hood you want it to fit. Try to force it on the hood. If that doesn't work try to heat it with a hair dryer and force it when hot, let it cool down pressed on the hood. If even this would not work get a sharp knife or some blade (I often use one of the blades of a scissors) and shave out sufficient from the inside of the cap. Often this caps are threaded, the thread are easy to shave of. Don't shave out too much, better try the heat method after shaved a part of the plastic, your goal is to get a tight fit.

I never tried metal caps but I think they are not elastic enough and will fall off. I most like nylon caps (they stretch) followed by PET.


Eugen
(with various colour caps on his lenses and hoods)


PostPosted: Wed Jun 16, 2010 6:44 pm    Post subject: Reply with quote
This
http://i.clubafaceri.ro/clients/88/50184/37/mustar-cu-hrean-20237_big.jpg
is what my CZJ hoods wear, although they think the ones in red are more chic. (Red caps are for the sharp mustard.) The inner threads of the cap shaved out and than heated a bit the cap fits perfectly. Not to thight, not too loose.
We have another mustard producer, his caps (yellow, green, red versions) fit perfectl directly onto my lenses with 62 mm filterthread, also after shaving and heating.

A few days ago I discovered
http://farm3.static.flickr.com/2222/2112448158_eff3135e66.jpg
but not tryed it now. I think the cap would fit 72 mm lenses (e.g. the 20 mm Flektogon). I like it that they are transparent.

The caps of this plastic bottles used for products made of milk (e.g. kefir) fit the rear of my 39 mm lenses. So my enlarger lenses and my LTM and ZTM lenses wear them on their mount threads:
http://beculetzu.ro/wp-content/uploads/2009/08/prilej-de-ragaz-sana-napolact-1.jpg
http://beculetzu.ro/wp-content/uploads/2009/08/prilej-de-ragaz-sana-napolact-2.jpg
I am shure you can get them in many parts of the world, this caps are standardized.
If you don't find them, aks your lab. The Kodak, Agfa, etc. solutions for minilabs come in canisters with a cap that also fit M39. http://www.adorama.com/KKFCDRL10L.html I like these as they are deeper and fit longer back threaded lenses.
Same thing for M42 back caps, but from other bottles, like ones from liquid detergent, etc. Or for M49, M52, etc. front caps.

Eugen


PostPosted: Wed Jun 16, 2010 7:15 pm    Post subject: Re: 112mm lens cap for tamron Reply with quote
Eugen Mezei wrote:
Swappo wrote:

http://www.vistek.ca/store/CameraLenses/237715/tamron-112mm-lens-cap.aspx


84 USD for a cap? Did I missed something or is this the same as the ones on
http://www.dealextreme.com/search.dx/search.lens%20cap#806

It may be that this size is not often requested, but to ask that price for a piece of cheap plastic is impertinent a lot.
Maybe if you send Dealextreme a mail they could get you a cap in the desired size too. I am sure the producer they get the other caps has this size also.


Thanks for the tips.
I will try to contact them, but at the moment their contact page doesn't seem to be in order.
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