Ok to put lens cap on filter?

waderbreak · 19th March 2009

Hi all

I just got into photography. Bought myself a 40D and 17-55 f2.8 Canon 2nd hand.

I also bought a B+W UV filter and it looks great. I'm just curious, for the 40D users, will putting on the lens cap on top of the filter scratch the edge of the filter glass? Or it should fit on top just nicely?

If it does scratch, wold it be better to leave the filter on and not put the lens cap at all? (In all circumstances like when you're shooting or not shooting)

Hope i don't sound too confusing.

Many thanks. Help appreciated.

Galdor · 19th March 2009

I'm not a 40D user but I do put the lens cap over the filter when my cam is not in use.
If this question is for 40D users only, perhaps you would like to put it in the Canon sub forum instead.

Cheers

gymak90 · 19th March 2009

You should not handle the lens cap so roughly, such that your filter gets scratched.

In any case, when you attach the lens cap, there should still be a space between the cap and the filter. In other words, the filter should not be scratched at all.

If the cap does scratch your filter, then leave the filter on, and don't cap. B+W is a good and durable filter

dision · 19th March 2009

I have yet to see any filter so shallow until the lens cap will touch the surface. Anyway the filter is easier to clean than the front element and sometimes when i put a hood on I'll leave the cap off so i can whip the camera out from bag and just start shooting.

Akatsuki · 19th March 2009

all lens have filter attached... and all are cap up

giantcanopy · 19th March 2009

If they have provided front threads , then it should not.

But there are some makers who do makes slim filters without front threads. But in any case the cap will not even fit.

Ryan

zac08 · 19th March 2009

No... it will not scratch the glass... dun worry...

Fotophilic · 19th March 2009

Originally Posted by waderbreak

Hi all

I just got into photography. Bought myself a 40D and 17-55 f2.8 Canon 2nd hand.

I also bought a B+W UV filter and it looks great. I'm just curious, for the 40D users, will putting on the lens cap on top of the filter scratch the edge of the filter glass? Or it should fit on top just nicely?

If it does scratch, wold it be better to leave the filter on and not put the lens cap at all? (In all circumstances like when you're shooting or not shooting)

Hope i don't sound too confusing.

Many thanks. Help appreciated.

it should not scratch the filter when u put on the lens cap. it should fit nicely. if it does, i suggest u go buy some other filters.

put on the lens cap when u are not shooting (e.g. taking a break or what). if the interval is too short, then don't bother to put it back on. the routine of doing so should suit yourself.

waderbreak · 20th March 2009

Thanks all! Good to know. Maybe I'll take more precaution by attaching a lens hood so it's harder to get to the surface also. Yup mine's the normal filter so there's a thread (it's not like the slim one) so i think really just need to be more careful with putting on lens cap.

That being said, B+W rocks.

19th March 2009	#1
waderbreak Member Join Date: Feb 2009 Posts: 161	Ok to put lens cap on filter? Hi all I just got into photography. Bought myself a 40D and 17-55 f2.8 Canon 2nd hand. I also bought a B+W UV filter and it looks great. I'm just curious, for the 40D users, will putting on the lens cap on top of the filter scratch the edge of the filter glass? Or it should fit on top just nicely? If it does scratch, wold it be better to leave the filter on and not put the lens cap at all? (In all circumstances like when you're shooting or not shooting) Hope i don't sound too confusing. Many thanks. Help appreciated.

19th March 2009	#2
Galdor Senior Member Join Date: Jul 2006 Location: Planet Gaia Posts: 8,289	Re: Ok to put lens cap on filter? I'm not a 40D user but I do put the lens cap over the filter when my cam is not in use. If this question is for 40D users only, perhaps you would like to put it in the Canon sub forum instead. Cheers __________________ Good lens or Lousy lens also can't beat @ great photographer with kit lens - Galdor@Alphadslr

19th March 2009	#3
gymak90 Member Join Date: Jan 2008 Location: The Far North Posts: 737	Re: Ok to put lens cap on filter? You should not handle the lens cap so roughly, such that your filter gets scratched. In any case, when you attach the lens cap, there should still be a space between the cap and the filter. In other words, the filter should not be scratched at all. If the cap does scratch your filter, then leave the filter on, and don't cap. B+W is a good and durable filter __________________ The best things in life are free.

19th March 2009	#4
dision Member Join Date: Mar 2008 Posts: 102	Re: Ok to put lens cap on filter? I have yet to see any filter so shallow until the lens cap will touch the surface. Anyway the filter is easier to clean than the front element and sometimes when i put a hood on I'll leave the cap off so i can whip the camera out from bag and just start shooting.

19th March 2009	#5
Akatsuki Member Join Date: Mar 2008 Location: Serangoon Posts: 750	Re: Ok to put lens cap on filter? all lens have filter attached... and all are cap up __________________ Alan - Nostalgia Photography Some Primes, Some Zooms, Some Ls

19th March 2009	#6
giantcanopy Member Join Date: Feb 2007 Location: Northerner Posts: 3,964	Re: Ok to put lens cap on filter? If they have provided front threads , then it should not. But there are some makers who do makes slim filters without front threads. But in any case the cap will not even fit. Ryan __________________ Kaleidoscopy & Singapore Shave! Shaving Jedi

19th March 2009	#7
zac08 Senior Member Join Date: Feb 2005 Location: East Posts: 10,952	Re: Ok to put lens cap on filter? No... it will not scratch the glass... dun worry... __________________ Michael Lim My Flickr Site APAD 2009

20th March 2009	#9
waderbreak Member Join Date: Feb 2009 Posts: 161	Re: Ok to put lens cap on filter? Thanks all! Good to know. Maybe I'll take more precaution by attaching a lens hood so it's harder to get to the surface also. Yup mine's the normal filter so there's a thread (it's not like the slim one) so i think really just need to be more careful with putting on lens cap. That being said, B+W rocks.