21 Ethos and 31 Nagler?

I have broached this before but never really got an answer. I have a C-14 and want to know if purchasing a 31 Nagler and a 21 Ethos would be a good idea. I find a 32 mm erfle gives me better resolution than a 40 mm MK70. I want wide field and good resolution. Before I plunge, I would like your input. And are the images across the field in these two eyepieces with a C-14 good?

Here's a CN thread on the subject and one responder with a C14 in the stable states "they complement each other". Looks like observers really like their 31mm Nagler.
http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/4445797/Main/4445797

charles geiger said:

I find a 32 mm erfle gives me better resolution than a 40 mm MK70. I want wide field and good resolution. Before I plunge, I would like your input. And are the images across the field in these two eyepieces with a C-14 good?

Interesting comment regarding the 32mm Erfle. One of the "best" (meaning it finds its way into my scope a lot) eyepieces I use on my C8 and C11, is an Edmund Scientific 2" 32mm Erfle I picked up cheap. I added an extension tube to it to make it more para-focal with the rest of the livery.

Regards,
Blake

charles geiger said:

I have broached this before but never really got an answer. I have a C-14 and want to know if purchasing a 31 Nagler and a 21 Ethos would be a good idea. I find a 32 mm erfle gives me better resolution than a 40 mm MK70. I want wide field and good resolution. Before I plunge, I would like your input. And are the images across the field in these two eyepieces with a C-14 good?

Hi Charles,
For a long focal length scope I've used a 56mm Meade Super Plossl for years. My previous scope was a Meade 7" MAK. I compared the 41mm Panoptic to the 56mm Meade. The Meade's TFOV was a few seconds wider than the famed Panoptic. The Pan beat it for pinpoint detail, but by so narrow a margin, I kept the Meade.

In the 7" Meade MAK the 56mm Super Plossl gave about one degree five minutes. In the 10" Intes MAK it gave me about one degree six minutes, but that scope has a 2540mm focal length. In your 14" CAT look for just under one degree.

I've found magnification is not important when you look for a comfortable wide field view. However, my interests in planets and clusters make the TFOV a secondary requirement. The Meade 56mm was purchased just for wide field viewing. For the huge objects, I have a piggyback scope.

I use Takahashi LE EPs for most planetary viewing. They're good and they're comfortable. Baader Orthoscopics were slightly better, as were Brandons, but not as easy to use for ER.

Thanks,
Steve
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