Samyang 800mm lens for Astrophotography

8 years 11 months ago #433753 by Jim Photo
Morning gang.  Any of you have experience with this lens? It's a mirror lens and it's cheap.  I'm wondering if you can get decent shots from this? It's a f/8, so not exactly fast, but for this price, my expectations are high.  Just wondering will it work for decent astrophotography shots?    www.amazon.com/Samyang-800mm-Mirror-White-Mount/dp/B006MKF2CS


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8 years 11 months ago #433802 by Happy Snapper
Just remember, you get what you pay for ;) 

Gripped Nikon D810 --- Sigma 70-200mm f/2.8 --- Sigma 10-20mm f/4 --- Nikon 50mm f/1.4 --- SB600
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8 years 11 months ago #433813 by effron
The mirror telephotos are mostly junk.  Astrophotography is an expensive undertaking, there are no financial shortcuts.....:(

Why so serious?
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8 years 11 months ago #433843 by Baydream

effron wrote: The mirror telephotos are mostly junk.  Astrophotography is an expensive undertaking, there are no financial shortcuts.....:(

:agree: Any of these f/8 lenses are probably going to have some serious sharpness issues.

Shoot, learn and share. It will make you a better photographer.
fineartamerica.com/profiles/john-g-schickler.html?tab=artwork

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8 years 11 months ago #433856 by Tony Imaging
:agree:   


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8 years 11 months ago #433900 by Eric A
These lenses are tempting, but from what I have seen these are not worth getting.  

My Camera Bag:

Canon 7D | 50mm f/1.2 | 17-40mm f/4 | 70-200mm f/2.8 | 320EX | 580EXII

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8 years 11 months ago #433974 by Miss Polly
So what is the downfall of these lenses, is it noise or speed?  


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8 years 11 months ago #433977 by effron

Miss Polly wrote: So what is the downfall of these lenses, is it noise or speed?  


Yes, and lack of sharpness. 

My biggest disqualifier, do you want to spend say 500 bucks (Tamron) on a telephoto that ONLY  shoots at f8?.......:unsure:

Why so serious?
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8 years 11 months ago #433991 by Meskill
+1 sharpness


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8 years 11 months ago #434031 by Jessy Page
So who and why are people buying glass like this?  Is there any good purpose for them?


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8 years 11 months ago #434126 by J Hemingway

Jessy Page wrote: So who and why are people buying glass like this?  Is there any good purpose for them?



Those who aren't doing their homework! :rofl:


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