Posts Made By: William Green

June 17, 2002 12:23 AM Forum: Celestron

test-disregard

Posted By William Green

test

November 20, 2002 09:21 PM Forum: Equipment Talk

Newtonian

Posted By William Green

I would like, I think, to put a good-to-high quality Newtonian reflector onto my G-11 mount. Who makes suitable Newtonian OTA's these days? How about suitable rings?

Thanks!

January 3, 2003 05:28 PM Forum: Equipment Talk

TEC 140?

Posted By William Green

Who has one of these beauties? How is it performing for you?

Thanks!

Bill G.

January 12, 2003 06:44 PM Forum: Astro-Physics

Pardon me for asking a couple of dumb questions:

First, on the newer A-P refractors, does the dew shield come completely off the optical tube, or does it merely slide back and forth on the optical tube?

Second, when fully extended, does the dew shield droop to any noticeable extent?

I'm just curious.....

Bill G.

March 6, 2003 05:01 PM Forum: Equipment Talk

Panoptics

Posted By William Green

I have heard that the TeleVue 35mm Panoptic eyepiece has pincushion distortion. Is it noticeable when observing? If so, why would anyone want to observe with it? Do all Panoptic eyepieces have this pincushion distortion?

Bill G.

April 4, 2003 06:23 PM Forum: Refractors