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Annular solar eclipse and filters
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Oct 7, 2023 12:40:46   #
wdross Loc: Castle Rock, Colorado
 
dbfalconer wrote:
I am preparing to photograph the annular solar eclipse in Cortez, CO, next week. Plan to use Tamron 150-500 on Sony a6000. With a ICE ND100000 filter—16.5. Will this be adequate sensor protection? I will only use LCD screen, not look through eyepiece, so I do not understand if electronic viewfinder will be activated. ND use is not advised for optical viewfinders. The Sony is, of course, mirrorless. I just heard of ND1000000 (6 zeroes = 20), but could not obtain one now in time for the trip. Am hoping my brand new ICE ND100000 will do the job. The literature and sales sites have seemed contradictory and misleading. I am exhausted with researching this. Thanks.
I am preparing to photograph the annular solar ecl... (show quote)


And Canisdirus and the others are correct in saying do not use normal neutral density filters for your camera or eyes. First, they will not cut off the light enough including the UV. The ND filter you have bought will do the job you want it to do. The filter you have bought is not what most of us consider a normal neutral density filter. It is designed to reduce the light level to prevent damage to your camera. But it will still pass too much UV. Canisdirus is correct when he said the ND filter cannot be used for your eyes. This is why I suggest a cheap investment in proper polymer solar shades or the slightly more expensive welder's glass for just eye viewing of the eclipse. These will stop UV rays from burning your retina. If you cannot get solar shades or welder's glass, try a box with a pinhole in aluminum foil on one end as a pinhole camera for viewing.

Personally, I prefer the solar shades and welder's glass. And, if you are like me, you buy 50 of the solar shades and hand them out to your family and anybody that does not have them. There are a lot of people that still have their eyesight due to that.

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Oct 7, 2023 12:42:20   #
dbfalconer Loc: Salida CO
 
wdross wrote:
Welders glass has to stop UV rays. Otherwise welders would be blind. Welding generates strong UV with the high energy electric welding. I did welding for a while and learned about people who did not heed warnings about welding without using welders glass. The UV is a part of the very bright light produced by electric welding. And during the film days, the welding glass was what I used on my telephoto lens for a total eclipse. I viewed the stages up to totality through the telephoto lens with no damage to my eye. When I was younger and ignorant of the facts, I tried using multiple fully developed film and came within less than a second of losing my eye. After that very, very close call, I educated myself about things that could damage my eye and prevent me from doing photography. I promise you, I would not recommend welders glass unless it would be safe for use.

And, yes, Thousand Oaks Optical is a supplier for solar shades. I have used them before and found them to be very reputable.
Welders glass has to stop UV rays. Otherwise welde... (show quote)

I am looking for the welders glass too. Thanks.

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Oct 8, 2023 18:19:16   #
rehess Loc: South Bend, Indiana, USA
 
dbfalconer wrote:
I am looking for the welders glass too. Thanks.

I’m surprised at how much UHH brainpower is spent photographing the sun, something that NASA does routinely.

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Oct 8, 2023 19:45:57   #
dbfalconer Loc: Salida CO
 
rehess wrote:
I’m surprised at how much UHH brainpower is spent photographing the sun, something that NASA does routinely.


It’s a first for me, a lark! We’ll visit Mesa Verde and other areas too. A road trip with good friends will be fun.

Have enjoyed CO colors lately too.


(Download)


(Download)

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Oct 8, 2023 20:26:10   #
rehess Loc: South Bend, Indiana, USA
 
dbfalconer wrote:
It’s a first for me, a lark! We’ll visit Mesa Verde and other areas too. A road trip with good friends will be fun.

Have enjoyed CO colors lately too.

I spent the time of the last solar eclipse watching college students watch the eclipse.

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Oct 8, 2023 21:27:43   #
dbfalconer Loc: Salida CO
 
rehess wrote:
I spent the time of the last solar eclipse watching college students watch the eclipse.


I’ve gotten some decent Milky Way shots from my patio this summer.

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Oct 8, 2023 22:08:14   #
bnsf
 
Check with B&H photo and speak to the Professional staff. They told me that I needed a Solar Eclipse filter and if I do not have one I will damage the photo sensor in the camera which is not covered by factory warranty. I purchased 2 Solar Eclipse filters for my Sony a99ii and the RX10M4. $200.00 is well worth the price of both cameras.

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Oct 8, 2023 22:23:44   #
dbfalconer Loc: Salida CO
 
bnsf wrote:
Check with B&H photo and speak to the Professional staff. They told me that I needed a Solar Eclipse filter and if I do not have one I will damage the photo sensor in the camera which is not covered by factory warranty. I purchased 2 Solar Eclipse filters for my Sony a99ii and the RX10M4. $200.00 is well worth the price of both cameras.


They are closed until Oct 9 for Succos. Too late for me to order anything.

Here is their article re solar filters. ND100000. 16.5. Minimum required.

https://www.bhphotovideo.com/explora/photography/buying-guide/lens-filters-for-solar-photography

And they have several of this strength advertised for sale for solar photography.

You can see why I’ve been concerned—lots of conflicting advice.

I’m not using my ‘good’ camera—hoping for the best.

Thanks for your input.

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Oct 8, 2023 22:44:34   #
wdross Loc: Castle Rock, Colorado
 
dbfalconer wrote:
I’ve gotten some decent Milky Way shots from my patio this summer.


I love your road though the trees shot. I am sure the Milky Way shot looks good too. Have fun with the annular eclipse. And make your plans for a total eclipse. I hope to be around for the total eclipse that will cover literally half of Colorado in 2045 (about 5 minutes long in Salida, Colorado). You might try for the total eclipse in 2027 (I believe). I think it will going from Texas to Maine. And there will be other total eclipses around the world. If you do go to one, you will learn why the say the different between a total eclipse and an annular eclipse is "like night and day". The stars and planets come out plus a major temperature drop. There is no filter needed for the actual totality. And the chromosphere is absolutely beautiful. I hope this all encourages you to go to one.

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Oct 8, 2023 22:44:38   #
bnsf
 
Oct 9th is Monday.

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Oct 8, 2023 22:56:20   #
dbfalconer Loc: Salida CO
 
wdross wrote:
I love your road though the trees shot. I am sure the Milky Way shot looks good too. Have fun with the annular eclipse. And make your plans for a total eclipse. I hope to be around for the total eclipse that will cover literally half of Colorado in 2045 (about 5 minutes long in Salida, Colorado). You might try for the total eclipse in 2027 (I believe). I think it will going from Texas to Maine. And there will be other total eclipses around the world. If you do go to one, you will learn why the say the different between a total eclipse and an annular eclipse is "like night and day". The stars and planets come out plus a major temperature drop. There is no filter needed for the actual totality. And the chromosphere is absolutely beautiful. I hope this all encourages you to go to one.
I love your road though the trees shot. I am sure ... (show quote)


Thanks so much! I appreciate the encouragement. Moved to Salida 18 months ago and miss my Littleton photo club a lot. Learned so much! Am on my own now.
We missed the last eclipse—only partial in Michigan. Will check out the next one!
Turns out Oct 14 may be cloudy in Cortez area—-we’ll have a good time anyway.

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Oct 8, 2023 23:26:03   #
rehess Loc: South Bend, Indiana, USA
 
dbfalconer wrote:
They are closed until Oct 9 for Succos. Too late for me to order anything.

Here is their article re solar filters. ND100000. 16.5. Minimum required.

https://www.bhphotovideo.com/explora/photography/buying-guide/lens-filters-for-solar-photography

And they have several of this strength advertised for sale for solar photography.

You can see why I’ve been concerned—lots of conflicting advice.

I’m not using my ‘good’ camera—hoping for the best.

Thanks for your input.
They are closed until Oct 9 for Succos. Too late f... (show quote)

B&H re-opens tomorrow morning, and aparently expects to get a filter ordered then to the user by the 14th, since they have a banner ad on their opening page. They also sent a “eclipse” ad to me tonight!

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Oct 9, 2023 00:18:07   #
wdross Loc: Castle Rock, Colorado
 
dbfalconer wrote:
Thanks so much! I appreciate the encouragement. Moved to Salida 18 months ago and miss my Littleton photo club a lot. Learned so much! Am on my own now.
We missed the last eclipse—only partial in Michigan. Will check out the next one!
Turns out Oct 14 may be cloudy in Cortez area—-we’ll have a good time anyway.


One of the three total eclipses I have been to ended up under the clouds. It still offers a different perspective but it is nothing like a total eclipse. Hopefully there will be a clear area close by so you can at least see your annular eclipse.

Also, you can see where all the eclipses of the world, including the USA, will occur using the NASA web site.

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Oct 9, 2023 00:37:41   #
dbfalconer Loc: Salida CO
 
rehess wrote:
B&H re-opens tomorrow morning, and aparently expects to get a filter ordered then to the user by the 14th, since they have a banner ad on their opening page. They also sent a “eclipse” ad to me tonight!


I’ll contact them first thing. Thx.

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Oct 9, 2023 00:42:16   #
User ID
 
rehess wrote:
I’m surprised at how much UHH brainpower is spent photographing the sun, something that NASA does routinely.

Likewise the full moon. The lighting and the "composition" are not of the photographers doing so who cares who shot whatever full moon pic is posted. Material proof that one can aim and focus a long lens isnt worth a second glance (really not even a first glance).

Blue moons and super moons are not visually distinct from any other moons, but dimbulbs anxiously seek advice about recording those "rare special events".

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