LOG IN    OR   REGISTER TO FORUMS


Solar filter for solar photography?

FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses
Thread started 18 Jul 2007 (Wednesday) 11:57   
LIST NEARBY THREADS
 
Grimm75
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Does anyone know of solar filters that can be used to photograph the sun? There are plenty out there for telescopes but I've not seen any for actual solar photography on DLSR cameras alone (without telescopes). Just curious.

Post #1, Jul 18, 2007 11:57:40


--Jon
Gear
Feedback

LOG IN TO REPLY
sponsored links
(this ad will go away when you log in as registered member)
asylumxl
Goldmember
Joined Jul 2006
2,306 posts
Stuck in an invisible box
[MORE/SHARE]

Hoya makes an insane ND which may be usable for this purpose. It's called ND x400 i believe. Could always stack them lol.

http://www.hoyafilter.​com/products/hoya/oef-07.htmlexternal link <--heres a link.

Post #2, Jul 18, 2007 12:00:13


...............
I M A G E I N A T I O N
..........WEBSITEexternal link
...............
Pixel peeping is like count the sides of a circle, pointless.

LOG IN TO REPLY
Grimm75
THREAD ­ STARTER
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Actually, the second photo on that page, the one showing the sun is exactly what I was loking for. Thanks!

Post #3, Jul 18, 2007 12:04:10


--Jon
Gear
Feedback

LOG IN TO REPLY
pwm2
"Sorry for being a noob"
pwm2's Avatar
Joined May 2007
8,626 posts
Sweden
[MORE/SHARE]

B+W has a ND 3.0 that is 1000x.

Just remember that the ND filters may not block IR or UV radiation to the same degree, so it may still be dangerous to look in the view finder and potentially harmful for the camera sensor.

Post #4, Jul 18, 2007 12:06:03


5DMk2 + BG-E6 | 40D + BG-E2N | 350D + BG-E3 + RC-1 | Elan 7E | Minolta Dimage 7U | (Gear thread)
10-22 | 16-35/2.8 L II | 20-35 | 24-105 L IS | 28-135 IS | 40/2.8 | 50/1.8 II | 70-200/2.8 L IS | 100/2.8 L IS | 100-400 L IS | Sigma 18-200DC
Speedlite 420EZ | Speedlite 580EX | EF 1.4x II | EF 2x II

LOG IN TO REPLY
Sathi
Senior Member
Sathi's Avatar
Joined May 2005
656 posts
Albany, NY
[MORE/SHARE]

Anyone have any examples of sun shots? The sun is about the same size as the moon from our prespective right? So you would need like 1000mm focal length to get an up close pic?

Post #5, Jul 18, 2007 14:18:31


20d / Tamron 28-75 2.8 / Canon 10-22 / Canon 100mm macro

LOG IN TO REPLY
sponsored links
(this ad will go away when you log in as registered member)
Grimm75
THREAD ­ STARTER
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Ok, I spoke Hoya, the NDx400 does allow for safe shots of the sun without camera sensor damage however, it is NOT for viewing. I was told it is safe to look through it long enough to compose the shot but then take your eyes away and take the shot.

So yeah, wear sunglasses and you should be ok. :)

Post #6, Jul 18, 2007 14:37:08


--Jon
Gear
Feedback

LOG IN TO REPLY
Grimm75
THREAD ­ STARTER
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Sathi wrote in post #3568036external link
Anyone have any examples of sun shots? The sun is about the same size as the moon from our prespective right? So you would need like 1000mm focal length to get an up close pic?

I looked high and low and all I could really find were photos from DSLRs on telescopes.

I would imagine the types of shots you would get would be similar in size to moon shots. So if you have tack sharp glass and use a little USM you could crop a pretty decent photo or two.

Post #7, Jul 18, 2007 14:38:36


--Jon
Gear
Feedback

LOG IN TO REPLY
cspratt
Senior Member
Joined Mar 2004
345 posts
Victoria, B. C. Canada
[MORE/SHARE]

Try here:

http://www.thousandoak​soptical.com/external link

Post #8, Jul 18, 2007 15:32:34


Chris. Spratt
Victoria, BC
In the game of life, Mother Nature bats last. Happy ninth inning.

LOG IN TO REPLY
canon_fire
Senior Member
canon_fire's Avatar
Joined Dec 2006
854 posts
[MORE/SHARE]

Does B&H have the Hoya NDx400? I am not able to find it on their site ...

EDIT: N/M , found them ......

Post #9, Jul 18, 2007 15:44:23




LOG IN TO REPLY
pwm2
"Sorry for being a noob"
pwm2's Avatar
Joined May 2007
8,626 posts
Sweden
[MORE/SHARE]

Safe viewing - but still hurtfull - when looking directly at the sun without camera or telescope is normally around 0.1%. The Hoya filter is marginally in that range (for visible light) and with a camera lens the filter factor is much too low for viewing. And that is still under the assumption that the ND400x has the same amount of filtering of UV and IR. UV is normally trivial to block, but IR is not!!!

Hoya doesn't seem to give any info about their ND400x - they name it 400x but their text says 500x.

B+W do speicfy the transfer function for their filters. The filter 110 (1000x) are recommended for photographing glowing metal and similar.

The filter 113 (10,000x) for photographing the sun.

The filter 120 (1000,000x) for longer exposures.

They specifically say that the filters may not be used for viewing, since they do not block enough IR.

Be very careful!

Post #10, Jul 19, 2007 05:27:20


5DMk2 + BG-E6 | 40D + BG-E2N | 350D + BG-E3 + RC-1 | Elan 7E | Minolta Dimage 7U | (Gear thread)
10-22 | 16-35/2.8 L II | 20-35 | 24-105 L IS | 28-135 IS | 40/2.8 | 50/1.8 II | 70-200/2.8 L IS | 100/2.8 L IS | 100-400 L IS | Sigma 18-200DC
Speedlite 420EZ | Speedlite 580EX | EF 1.4x II | EF 2x II

LOG IN TO REPLY
Grimm75
THREAD ­ STARTER
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Now that's a bit better. Think I'll give them a call and see what they can tell me.

Thanks!

Post #11, Jul 19, 2007 06:43:10


--Jon
Gear
Feedback

LOG IN TO REPLY
sponsored links
(this ad will go away when you log in as registered member)
billh101
Senior Member
Joined Sep 2003
176 posts
Iowa
[MORE/SHARE]

Grimm75 wrote in post #3567133external link
Does anyone know of solar filters that can be used to photograph the sun? There are plenty out there for telescopes but I've not seen any for actual solar photography on DLSR cameras alone (without telescopes). Just curious.

For plain white light photos of the sun, you can easily make your own filter. I ordered a sheet of this film which allows 0.00001 light transmission through it, for around $30.

http://www.astro-physics.com ...ries/solar_acc/astr​osolarexternal link

Make a holder that slides over the end of your lens with some cardboard and tape and you're set. Here is a shot I took with the film to give you an idea. This was through my telescope, which is a 750 mm scope. So, that will give you an idea of what you can expect for size through your lenses.

http://www.pbase.com/b​illhuegerich/image/478​27483external link

I had enough left over from that sheet to make solar filters for my binoculars too. :-)

If you google it, you'll find directions on how to put it together, but it's pretty simple. Here's an example.

http://www.jotabout.co​m ...i/astro/solar_filte​r.htmlexternal link

They just made a small aperture filter in this example, because they had a big aperture telescope. For normal lenses, I imagine you'd probably want to make the filter the same size as the lens.

If this is kind of what you are looking for, it's pretty cheap and easy to make. I wouldn't trust anything that isn't make for looking at the sun through. I have viewed the sun without magnification through #14 welders glass ($6), but even that was pretty bright and probably not entirely safe to my eyes.

Post #12, Jul 19, 2007 07:34:57


Bill
www.pbase.com/billhueg​erich

LOG IN TO REPLY
asylumxl
Goldmember
Joined Jul 2006
2,306 posts
Stuck in an invisible box
[MORE/SHARE]

billh101 wrote in post #3572499external link
For plain white light photos of the sun, you can easily make your own filter. I ordered a sheet of this film which allows 0.00001 light transmission through it, for around $30.

http://www.astro-physics.com ...ries/solar_acc/astr​osolarexternal link

Make a holder that slides over the end of your lens with some cardboard and tape and you're set. Here is a shot I took with the film to give you an idea. This was through my telescope, which is a 750 mm scope. So, that will give you an idea of what you can expect for size through your lenses.

http://www.pbase.com/b​illhuegerich/image/478​27483external link

I had enough left over from that sheet to make solar filters for my binoculars too. :-)

If you google it, you'll find directions on how to put it together, but it's pretty simple. Here's an example.

http://www.jotabout.co​m ...i/astro/solar_filte​r.htmlexternal link

They just made a small aperture filter in this example, because they had a big aperture telescope. For normal lenses, I imagine you'd probably want to make the filter the same size as the lens.

If this is kind of what you are looking for, it's pretty cheap and easy to make. I wouldn't trust anything that isn't make for looking at the sun through. I have viewed the sun without magnification through #14 welders glass ($6), but even that was pretty bright and probably not entirely safe to my eyes.

why not get a sheet and cut it to fit a cokin filter holder :)?

Post #13, Jul 19, 2007 07:59:24


...............
I M A G E I N A T I O N
..........WEBSITEexternal link
...............
Pixel peeping is like count the sides of a circle, pointless.

LOG IN TO REPLY
billh101
Senior Member
Joined Sep 2003
176 posts
Iowa
[MORE/SHARE]

asylumxl wrote in post #3572575external link
why not get a sheet and cut it to fit a cokin filter holder :)?

You'll need it to be pretty much light tight so you don't get stray light in from the sides.

Also, keep in mind that you will only see white light. So, you will not see flares or prominences, just the disk and sunspots. If you want flares and prominences, then you're looking at an Ha filter, and you won't find any cheap solution for that one.

Post #14, Jul 19, 2007 08:25:24


Bill
www.pbase.com/billhueg​erich

LOG IN TO REPLY
Grimm75
THREAD ­ STARTER
blissful obscurity
Grimm75's Avatar
Joined Apr 2007
1,784 posts
Suwanee, GA
[MORE/SHARE]

Great info, thanks! Do you know of anywhere that actually makes Ha filters for DSLR's though?

Post #15, Jul 19, 2007 08:32:57


--Jon
Gear
Feedback

LOG IN TO REPLY


LIST NEARBY THREADS
33,278 views & 0 likes for this thread
Solar filter for solar photography?
FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses



NOT A MEMBER YET? CLICK HERE TO REGISTER TO FORUMS

CHANGE BODY TEXT SIZE FOR ALL THREAD PAGES
POWERED BY AMASS 1.0version 1.0
made in Finland
by Pekka Saarinen
for photography-on-the.net


SEND FEEDBACK TO STAFF  |  JUMP TO FORUM...  |  FORUM RULES


Spent 0.00086 for 4 database queries.
PAGE COMPLETED IN 0.01s
1078 guests, 867 members online
Simultaneous users record so far is 3341, that happened on Dec 11, 2014
Latest registered member is jollygal100

COOKIES DISCLAIMER: By using this site you agree that some cookies will be stored on your browser. For unlogged users we store one session id cookie. For registered members we store (in addition to login session cookie) only cookies that are essential for required functionality, we do not store any personal tracking data in cookies or other browser's data storage methods.