Will the glasses I'm getting be ok for astronomy/night observing?

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realflow100
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Will the glasses I'm getting be ok for astronomy/night observing?

#1

Post by realflow100 »

I'm planning on getting some glasses to help with my moderate astigmatism (I have almost no near or farsightedness. I can focus within a couple inches and on the stars at night without glasses. but everything appears slightly blurry at all distances due to astigmatism)

These are my glasses I'm getting
Fairly large lenses and frames. metal. + large lenses to cover a majority of my view. I didn't like the ones that were only like looking through a small peep hole in front of me. Somewhat relatively close to my eyes too. not far away.
I chose poly lens material with UV. anti-scratch and AR/anti reflective coatings. for what options I had available

total price 141$

I'm hoping these will improve my eyesight enough in astronomy/night time uses for seeing the stars better and sharper.

my eyesight is
SPH +0.5 +0.75
CYL -2.00 -2.25
Axis 005 010

Will my glasses prevent me in any way from focusing on infinity properly? Thats my main concern. that the prescription is too strong for my accomodation/focusing ability for things far away.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#2

Post by KathyNS »

You should have no trouble adjusting the focus to accommodate the glasses. However, how well you can see will depend on the eye relief of the eyepiece. Unless the eyepiece has a high eye relief, you may not see the entire field of view at one time. You might have to "peer around corners" to see it all. If you are replacing eyepieces, look for ones that have large eye relief. Or perhaps get contact lenses for observing.
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#3

Post by realflow100 »

I meant using glasses naked-eye by the way. without a telescope or eyepiece.

I already know eye relief will be an issue with all my eyepieces except my 40mm plossl.

probably will take my glasses off while using telescope. as using my telescope I don't see the same astigmatism issue nearly as strongly. Seems clearer/sharper somewhat compared to naked eye. especially at smaller exit pupils.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
svbony ultra wide 66 degree eyepiece kit
15mm 9mm and 6mm + 40mm plossl
svbony UHC 1.25 filter
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DeanD
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#4

Post by DeanD »

If your optician is any good you should be able to see much clearer at infinity. I have astigmatism too, and with my glasses the stars go from weird spiky things with a hole in the middle to stars... ;) - and there are a lot more of them too! (eg: without glasses, Sirius is about the size of the tip of my little finger, and looks like two Eiffel Towers, one on top and one upside down, with 18 main spikes and a hole in the middle. With glasses it shrinks a lot, and Looks like a real star!)

I usually don't use them with eyepieces, unless I am sharing my scope with someone else; and then I focus with the glasses on so that it is more likely to be in focus for others too. Like you, the smaller the exit pupil, the clearer I can see.

The good news for me is that my long-distance vision has improved slightly with age: and now I am starting to see a dot in the middle of those Eiffel towers...
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#5

Post by realflow100 »

Stars to me look a bit fuzzy. faint. and stretched vertically a little. almost like all stars are somewhat indistinct. they are in focus but really soft looking. Almost like their light is being split up into multiple fainter copies of themselves on top and bottom. mostly on the bottom. details on the moons surface at night looks very smeared and blurry. I can just barely make out the largest shapes and patterns on the moons surface. and the moon also looks quite small is possible my eyes focal length is too short so when my eyes acommodate to counteract it it makes things look extra small by a few percentage. i guess that has a big effect on the details i can see too.
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
svbony ultra wide 66 degree eyepiece kit
15mm 9mm and 6mm + 40mm plossl
svbony UHC 1.25 filter
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#6

Post by Baurice »

DeanD wrote: Mon Jun 07, 2021 8:15 am If your optician is any good you should be able to see much clearer at infinity. I have astigmatism too, and with my glasses the stars go from weird spiky things with a hole in the middle to stars... ;) - and there are a lot more of them too! (eg: without glasses, Sirius is about the size of the tip of my little finger, and looks like two Eiffel Towers, one on top and one upside down, with 18 main spikes and a hole in the middle. With glasses it shrinks a lot, and Looks like a real star!)

I usually don't use them with eyepieces, unless I am sharing my scope with someone else; and then I focus with the glasses on so that it is more likely to be in focus for others too. Like you, the smaller the exit pupil, the clearer I can see.

The good news for me is that my long-distance vision has improved slightly with age: and now I am starting to see a dot in the middle of those Eiffel towers...
Hi Dean,

I had distance glasses when I was 57 but now (at 66) my long sight is back to normal. My near sight is OK for most everyday uses but I need glasses for small print and low light conditions.

I have never tried glasses for observing for years. Also my cameras spend more time on the sky than my eyes, these days.
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#7

Post by realflow100 »

I'm also wondering how late in the day can my glasses be ready for pickup? I haven't gotten a call yet and its almost 1:30 PM I'm getting worried they wont be available for pickup on the receipts estimated time ETA of june 10th by 6 PM when they close
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
svbony ultra wide 66 degree eyepiece kit
15mm 9mm and 6mm + 40mm plossl
svbony UHC 1.25 filter
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#8

Post by realflow100 »

its 4:22 PM and i have a feeling its unlikely I will get my glasses by today

I tried calling my local walmart vision center but got no answer. and the call automatically ends after some seconds. Not even a busy tone. I hear a little jingle and then silence for some seconds then it ends.
WHAT IS GOING ON?
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
svbony ultra wide 66 degree eyepiece kit
15mm 9mm and 6mm + 40mm plossl
svbony UHC 1.25 filter
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

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Post by turboscrew »

realflow100 wrote: Thu Jun 10, 2021 8:23 pm its 4:22 PM and i have a feeling its unlikely I will get my glasses by today

I tried calling my local walmart vision center but got no answer. and the call automatically ends after some seconds. Not even a busy tone. I hear a little jingle and then silence for some seconds then it ends.
WHAT IS GOING ON?
If this is the place, it, at least, looks like something temporary.
https://www.walmart.com/store/616-orangeburg-sc
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Re: Will the glasses I'm getting be ok for astronomy/night observing?

#10

Post by realflow100 »

just got my glasses :D
orion skyscanner 100mm F4 reflector telescope. Canon EOS 500D/rebel-T1i. ioptron Smartstar E8500R alt-az goto mount and tripod. no EQ mode limited controller options
Canon EOS 100D/SL1 ! New camera!
Tamron 18-200mm F3.5-F6.3 II VC lens
canon 50mm STM F1.8
svbony ultra wide 66 degree eyepiece kit
15mm 9mm and 6mm + 40mm plossl
svbony UHC 1.25 filter
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