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Connecting camera to TEC Field Flattener

(8)
When I went through this exercise I found out the backfocus of my camera with the filters, and then called Astro-Physics and worked with George to get a
eric_claeys
8
posts
12:29 PM
eric_claeys
10
posts
12:23 PM

Retractable sliding baffle ?

(5)
It is stiff... I place my thumbs on the forward ring and my fingers on the aft edge of the shield with thumbs on opposite sides of the ring. Then firmly move
markbateman1905
5
posts
Jul 29

New TEC 140 incoming

(17)
Great. I have looked at the website and am very impressed! Sent from my iPhone
d.briden
17
posts
Jul 19

ATS 2015

(1)
For those of you with interest, the Antique Telescope Society is holding its 2015 convention at Lick Observatory. On October 9 through October 12, 2015, the
Bruce MacEvoy
1
post
Jul 17

stars -- processing question

(22)
I can't remember the details. I didn't really understand what he was showing me. I di however buy one of his wide angle eyepieces which was based on a
die_nullte
22
posts
Jul 16

Quad TCC

(15)
Roland, Thank you very much for both answers. I look forward to seeing the complete specs once published on your website. I apologize if you though my question
peterrejto
15
posts
Jul 15

TEC 202 f/15.5 MakCass Question

(5)
Larry, we are taking order for the X-th run of APO140s now. This run will start in the beginning of 2016 when we receive FPL53 glass. Regards, Yuri
cotterell_david51
5
posts
Jul 14

For my fellow Tesla fans

(3)
Just downloaded to Kindle a bio. Thanks. Stephen M Truitt 600 14th St. NW, Suite 500 Washington, DC 20005 202.220.1452 Office 202.494.1329 Mobile
uncarollo2
3
posts
Jul 11

Yuri - Payment confirmation for TEC140 ?

(5)
Eric, OPT was informed (before July 4th) about two scopes from first batch of 10, so please contact them, I have no idea where is your name on their list.
d.briden
5
posts
Jul 9

Field Flattener but Not a Reducer With Longer BF?

(7)
Yuri, Never mind what I wrote yesterday! I forgot something quite important, namely that the guider BF on the ONAG is not the same as the imaging port BF. So
peterrejto
7
posts
Jul 6

APO140 update

(22)
I found an error in below message, the Strehl number for 656nm for the IX run is 0.87 not 0.94 as shown in the third column. Yuri ... Peter, the current
yuri80226
22
posts
Jul 5

Flattener

(2)
Peter, our FFs increase the focal length of telescope up to 4-5%. I can not comment on the TAK FFs without knowing design and checking it with our telescopes.
peterrejto
2
posts
Jul 5

APO250 update

(5)
It looks really portable :-)
yuri80226
5
posts
Jul 4

New file uploaded to tec-scopes

(1545)
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the tec-scopes group. File :
tec-scopes@yahoogroups.com
1545
posts
Jul 3
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