Re: Unbelievable

["Tom"]

"Ed T" <reply@xxxxxxxxxxxx> wrote in message 
news:iKxBe.7997$8f7.5855@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Tom" <Tom@xxxxxxxxxx> wrote in message 
> news:EvxBe.128438$9A2.38607@xxxxxxxxxxx
>> http://www.spaceweather.com/swpod2005/14jul05/favre1.jpg
>>
>> This was taken with a 'lowly" SW 80/400 achromat.  It rivals some of the 
>> best AP and TV shots I have seen.
>> The OTA sells for a measly 150 US!!
>>
>> http://www.islandeyepiece.com/telescopes/sw804.htm
>>
>>
>
> Thats a great shot!  Chromatic abberation is a non-issue when the "input" 
> is such a narrow band of the visible spectrum.
>


well sure but you have to consider the optical quality overall and not just 
color correction.
It would seem that the achromat doublet is of good quality for a cheap 
price!!