Perry I do not see how this would perform well unles it is about f9. That would render it pretty uncompetitive. The best system would be a triplet in front...
118858
vic@...
stellarvue1
Mar 30, 2012 2:38 pm
Bob Thanks for the great report. Vic Maris...
118859
scott_nc
Mar 30, 2012 2:39 pm
Vic, Perry, et al., Please correct me if I'm wrong, but isn't it less expensive and just as effective to make a well-corrected triplet and then add a modular...
118860
astronomer_c
Mar 30, 2012 3:50 pm
... Indeed yes. I own the Pentax 75mm SDHF, which is an ED doublet with the aforementioned third element. It is an outstanding performer with very little...
118861
DavidB
z32lunacity
Mar 30, 2012 3:53 pm
Thanks Mary...
118862
siriusguy50
Mar 30, 2012 4:27 pm
<<As we get near to running the next run of planetaries, I will ... An 8.9 mm ocular used in conjunction with the 50 mm f4.1 "Little Rascal" would give 23X,...
118863
Ralph
ralph_e_taggart
Mar 30, 2012 5:09 pm
Hi Bill! In each case the follows, the resulting focal ration was calculated by the size of the image at the camera focal plane compared with the instrument...
118864
H P
hpholcomb
Mar 30, 2012 7:30 pm
Hey Scott, I'm not a scope designer, so that's why I asked the question. The built-in flattener is a "lens," either simple or complex. I dunno. Upon doin'...
118865
scott_nc
Mar 30, 2012 7:34 pm
Thanks for the info, Perry! Maybe someone who knows what they're talking about (i.e., not me) will chime in, but my guess is that an effective flattener...
118866
astrogeezer41
Mar 30, 2012 7:47 pm
Hi Benton, Vic, Robert C., at al, I did get a chance to try out my new SV Planetary Eyepieces last night. There was a break in the clouds and I was able to...
118867
JAS
guzzialfa
Mar 30, 2012 11:14 pm
My 3 have arrived today as well. They look very well built. With snow coming tonight, it doesn't look like I will get to use them right away. John Sillasen...
118868
Jan
wissixwe
Mar 30, 2012 11:17 pm
Mine arrived today as well, and the forecast is... well, you can guess! Dumbunny Jan ... From: JAS <guzzialfa@...> To: Stellarvue...
118869
David and Sharon Elos...
asterhunter
Mar 30, 2012 11:59 pm
Mine arrived today! I put my 6.1mm in my SV50 Sparrow Hawk. At 33x it's too much power IMO for this scope as a daytime spotter. Nice image though, and plenty...
118870
David and Sharon Elos...
asterhunter
Mar 31, 2012 12:01 am
Scott, (NC) are you going to the club public observation tomorrow night at Sci Works? It was called off and now it's back on, fingers crossed. I'll be bringing...
118871
scott_nc
Mar 31, 2012 12:32 am
Thanks for reminding me David! I have to work all weekend, and get up early Sun. a.m., so it depends upon how my day goes tomorrow. If it's clear, though, I...
118872
Gene Pedrazzoli
strehlboy
Mar 31, 2012 12:45 am
Hey SVers, I had planned to give a detailed summary of the new SV planetaries, but Mr. Evil Cloudcover is very busy here in central Florida. However, I did get...
118873
Michael
moraghanm...
Mar 31, 2012 1:46 am
They came- They Came- THEY FINALLY CAME!!!!!- - late yesterday my set of planetaery eyepieces arrived.As usual, the clouds rolled in before I could get set up...
118874
astrogeezer41
Mar 31, 2012 1:57 am
Thanks for the good report, Mike. I hope that your cloudy weather doesn't last too long. Congratulations on the new telescope and on what you do with your...
118875
orbit_geek
Mar 31, 2012 4:21 am
Robert, Great report. I'm glad to hear that you found similar results to what I noticed with these eyepieces. The ease of focus surprised me so your...
118876
vic@...
stellarvue1
Mar 31, 2012 4:34 am
Here is another instance where "size matters." If you look at the former Pentax line, you will notice that the 105 and larger all use two element flatteners....
118877
vic@...
stellarvue1
Mar 31, 2012 4:37 am
Michael Many people are buying telescopes and eyieces right now. So you are not entirely to blame for the weather. I did not put a cloud box in with your 105....
118878
DavidB
z32lunacity
Mar 31, 2012 6:09 am
Vic, My set also arrived Friday and so did the clouds and rain, so haven't had a chance to try them as yet. Not sure about adding the 8.9 mm but what would be...
118879
Scott in NC
scott_nc
Mar 31, 2012 9:51 am
Thanks for the info re: FFs , Vic! CS, Scott, in NC ... From: vic@... Sent: 31 Mar 2012 04:34:04 GMT To: Stellarvue@yahoogroups.com Subject:...
118880
Scott in NC
scott_nc
Mar 31, 2012 9:56 am
To the two east-coast Davids: I'm sure the new SV Planetaries must be as excellent as everyone says they are, because your purchases have managed to blanket...
118881
Jeff (also aka: StarG...
chipdatajeffb
Mar 31, 2012 10:05 am
In our neck of the woods, Beta is better known as "trinocerous" ... ;^) Jeff...
118882
Scott in NC
scott_nc
Mar 31, 2012 10:22 am
Trinocerous--I like that one! :-) CS, Scott, in NC ... From: Jeff (also aka: StarGeezer) Sent: 31 Mar 2012 10:05:32 GMT To: Stellarvue@yahoogroups.com Subject:...
118883
David and Sharon Elos...
asterhunter
Mar 31, 2012 11:35 am
Actually, the official names of Beta Mon's companions are Hey Mon, and Later Mon. ... David E ... From: "Scott in NC" <ssatko@...> To:...
118885
vic@...
stellarvue1
Mar 31, 2012 1:54 pm
Don't forget to tune in to the Stellarvue website tomorrow for our big one day only sale. It only lasts for one day and once it is gone, it will be legend....
118886
oak_conkers
Mar 31, 2012 2:16 pm
I,m kinda hopeing for a new rubber legged tripod to eliminate the problem of lost vibration suppression pads that you forget and leave on the ground after an...
118887
llcalderone
Mar 31, 2012 5:06 pm
Greetings, Perhaps this is a dumb question -- but is it safe to use a Herschel Wedge with a Nighthawk Aplanat? The lens is air-spaced not oil-spaced, correct? ...
