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ES 14mm 82 vs Nag 13 T6

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#1 BBryce

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Posted 11 October 2013 - 09:17 AM

Hi,

I'm still puzzling about purchasing a pair in the 13-14mm range for my binoviewers (Siebert BN25) and I can't make a choice.

I already own a pair of 24mm Panoptic and don't use any ocs/oca for focusing as I have shortened my truss poles on my dob, so I get x62.5 mag.

I read a lot of reviews and comments about the ES 14mm 82° and they seem to perform very well, compared to the Nag 13mm T6 twice the price !

Ok out of stock everywhere but I can wait if it's worth the shot. I can also find a used pair of Nag13.

I own a dobson 12" f5 and I heard about FC with the ES 14mm, mixed comments about it. No same focus point in the center and the edges, about 30% which is huge !

If so it's too much trouble and I'd rather put more money on the table and get a pair of Nag13.

ES 14 has more ER than Nag13, cheaper for sure, but what about FC with my scope ?

Has someone tried to use the ES14 with a bino on a f5 or less ?

Thanks,

Clear skies

Brice

#2 REC

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Posted 11 October 2013 - 09:33 AM

I had them both at one time, but sold the ES and kept't the 13tg. It's a tad better and much lighter in my smaller scope. Buit, for $100 eac. they are a bargain.

The other good choice would be the Meade HD, Celestron Xcelx and the AT from our host. All have about 60* FOV and are under $75.

#3 BBryce

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Posted 11 October 2013 - 10:22 AM

Thanks Rec for your input.

But I'd rather sitck with 82° FOV as I also want to use it in mono mode.

#4 BBryce

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Posted 11 October 2013 - 03:58 PM

I have been suggested an used pair of UWAN 16mm, seems to be a very nice alternative. What do you think ?

#5 johnnyha

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Posted 11 October 2013 - 07:19 PM

Yeh the 13T6 are much more svelte and slightly better quality, as well as fetching a great resale price if you decide to sell them later. But for binoviewing I prefer svelte!

#6 slack

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Posted 11 October 2013 - 09:48 PM

I compared the 14mm ES 82 head to head with the 13mm T6 for bino use over a period of weeks last winter. I sold off the Naglers. I preferred the ES a bit more at night, and much more for solar.

I also compared the lower ES focal lengths with the corresponding T6's, and preferred the ES 82s in all cases. However, I thought the 13mm T6 was the best in that line.

#7 BBryce

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Posted 11 October 2013 - 10:41 PM

Thanks guys !.

Slack, are the ES 14mm more comfortable to use ? In which way ? What about field curvature on f5 ?

Any feedbacks about the UWAN 16mm ?

Clear skies !

#8 axle01

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Posted 12 October 2013 - 06:51 AM

Have you thought about the Denkmeier 14's, I have the 21's and they are brilliant and will get the 14's as soon as funds permit.

#9 REC

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Posted 12 October 2013 - 08:15 AM

Just to add, the 14 ES might have a better fit in a BV then the 13 because of the eyecup placement. With the 13t6 I have to hold my eye in the right position to avoid blackouts. With the ES I can bury my eyeball into the eyecup and keep out stray lights from the side.

#10 urassner

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Posted 12 October 2013 - 08:21 AM

I had the 14 ES 82 degrees for a little while. The eyerelief was too tight for me. Also, when panning the moon, it was dizzying to me. It may have been rectilinear distortion. The image was very nice though. I now gave the D14s and could not be happier. Amazing images and wonderfully comfortable. I am using them at f8 or f9 though, so I cannot tell you about their performance at f5.

#11 BBryce

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Posted 12 October 2013 - 09:09 AM

Thanks guys for your inputs, yes I thought about a pair of D14, but they are darn expensive and quite rare on the used market !!

ES 14mm seems to be the best value, but I can't stand field curvature, so my choice will be uwan 16 or D14.

Keep digging...

Clear skies

#12 BBryce

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Posted 12 October 2013 - 04:27 PM

Ok guys, just bought an used pair of Uwan 16mm on the classifieds. Great deal !

Clear skies






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