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Search: Posts Made By: zack2
Forum: The Birdforum Digiscoping Forum Thursday 11th September 2008, 14:41
Replies: 7
Views: 1,973
Posted By zack2
The Pentax scope does in fact use flourite glass...

The Pentax scope does in fact use flourite glass -- 'ED' is the designation which Pentax uses for it. The scope has a tiny bit of CA, but nothing like what I'm seeing in my digiscoped...
Forum: The Birdforum Digiscoping Forum Friday 5th September 2008, 14:30
Replies: 7
Views: 1,973
Posted By zack2
Hmmm. The 'double edge' that I'm seeing looks to...

Hmmm. The 'double edge' that I'm seeing looks to me like chromatic aberration, present to some degree in my scope but made worse by the scope image being slightly out of focus.
(Incidentally, my...
Forum: The Birdforum Digiscoping Forum Thursday 4th September 2008, 14:31
Replies: 7
Views: 1,973
Posted By zack2
Good idea! I've never posted photos to this site...

Good idea! I've never posted photos to this site before, so I hope I've made good guesses about file size... Here are two test images, along with roughly 50 percent crops. All are jpegs straight...
Forum: The Birdforum Digiscoping Forum Wednesday 3rd September 2008, 04:08
Replies: 7
Views: 1,973
Posted By zack2
Focus question (Pentax 65ED with Panasonic LX2)

Hello -

I am attempting to digiscope using my Pentax 65EDa scope and Panasonic LX2 camera.

I have a Pentax XW14 eyepiece on the scope, giving me 28x magnification. I've followed the directions...
Forum: Pentax Saturday 4th February 2006, 19:54
Replies: 36
Views: 7,171
Posted By zack2
Where did you get the Swarovski astro zoom, and...

Where did you get the Swarovski astro zoom, and how much was it? I'm probably confused about this, but I thought that a Swarovski zoom designed for their own scopes was fitted with a 1.25" mount and...
Forum: Pentax Wednesday 25th January 2006, 15:54
Replies: 36
Views: 7,171
Posted By zack2
I've posted about my experience with eyepieces in...

I've posted about my experience with eyepieces in detail elsewhere on this forum, so I'll just summarize briefly (all used on on my PF65ED):

Vixen 8-24 zoom - works well
Chinese clone 8-24 zoom -...
Forum: Pentax Sunday 22nd January 2006, 20:05
Replies: 0
Views: 2,061
Posted By zack2
Finally! A barlow that (sort of) works with PF65ED

A number of people, including myself, have tried in the past to find a barlow that would work with the Pentax spotting scopes. The problem has always been that even shorty barlows (such as the...
Forum: Pentax Tuesday 6th December 2005, 20:42
Replies: 30
Views: 9,741
Posted By zack2
I've compared the chinese clone 8-24 zoom...

I've compared the chinese clone 8-24 zoom directly to the Vixen zoom, and posted my results on another thread:
http://birdforum.net/showthread.php?t=35354

Briefly, the clone is not simply a...
Forum: Pentax Tuesday 7th June 2005, 01:13
Replies: 1
Views: 4,647
Posted By zack2
Chinese clone 8-24mm zoom compared to Vixen/TV zoom

I recently purchased a used, mint condition Vixen 8-24mm zoom (optically identical to the Televue 8-24 and Meade 8-24 zooms), and had a chance to compare it to the Chinese clone I had previously...
Forum: Pentax Monday 6th June 2005, 15:24
Replies: 2
Views: 2,445
Posted By zack2
A brief first-hand report on XF zoom

Someone recently posted a Pentax XF zoom for sale on Astromart, and I emailed asking about his experiences with the eyepiece, asking specifically about eye relief. He sent me back the following and...
Forum: Pentax Thursday 19th May 2005, 16:39
Replies: 2
Views: 2,445
Posted By zack2
Anyone use the new XF 6.5-19.5 zoom yet?!

Has anyone had a chance to use the new compact Pentax XF 6.5-19.5 zoom yet? And in particular, has anyone who wears glasses had a chance to try this zoom? I'm considering getting one for use with...
Forum: Pentax Saturday 23rd April 2005, 18:19
Replies: 8
Views: 4,731
Posted By zack2
As I've noted elsewhere, I tried a Celestron...

As I've noted elsewhere, I tried a Celestron Ultima Barlow (identical to the Orion Shorty Plus Barlow) and found I was unable to focus beyond 500-600 feet with either the GSO 15mm or the 8-24 zoom. ...
Forum: Pentax Saturday 23rd April 2005, 16:01
Replies: 8
Views: 4,731
Posted By zack2
Recently got back from a two week trip with my...

Recently got back from a two week trip with my Pentax 65ED, and thought I'd report back in more detail.

It's a great scope. The small size and light weight are even more of an advantage than I had...
Forum: Spotting Scopes & tripod/heads Tuesday 12th April 2005, 19:11
Replies: 53
Views: 16,745
Posted By zack2
Thank you so much for doing this, Henry. Really...

Thank you so much for doing this, Henry. Really looking forward to the results. Any chance you could also include the Televue (Vixen, Meade, etc) 8-24mm zoom?

Zack
Forum: Tripod and Heads Saturday 26th March 2005, 13:18
Replies: 25
Views: 16,926
Posted By zack2
I've played with at least 4 different 701rc2...

I've played with at least 4 different 701rc2 heads (demos at dealers), and all of them exhibited this behavior -- they are not very smooth as soon as any drag is applied (this applies to both pan and...
Forum: Pentax Friday 25th March 2005, 20:09
Replies: 3
Views: 2,417
Posted By zack2
...and GSO Superview eyepiece, not GMO! ...

...and GSO Superview eyepiece, not GMO! :)

Incidentally, I've not seen the 20mm GSO superview, but on the 15mm Superview folding down the eyecup for use with eyeglasses reveals a sharp edge on a...
Forum: Conservation Thursday 24th March 2005, 16:38
Replies: 62
Views: 3,649
Posted By zack2
A boycott of participating oil companies is the...

A boycott of participating oil companies is the logical next step when and if Congress passes a final vote to allow drilling in the Alaskan National Wildlife Refuge. Here's one initial effort to get...
Forum: Spotting Scopes & tripod/heads Wednesday 23rd March 2005, 04:56
Replies: 6
Views: 3,672
Posted By zack2
Another possibility would be to buy a Pentax...

Another possibility would be to buy a Pentax scope, since all of their models take standard 1.25" astronomical eyepieces. There's a huge range of astronomical eyepieces available, both new and...
Forum: Spotting Scopes & tripod/heads Friday 18th March 2005, 17:51
Replies: 20
Views: 6,396
Posted By zack2
Could be, but I thought that the original poster...

Could be, but I thought that the original poster was sking about a Celestron astro scope? I'm not that familiar with the Celestron line! However, even 4.5 lbs and 19" is more weight and bulk than I...
Forum: Pentax Friday 18th March 2005, 04:50
Replies: 8
Views: 4,731
Posted By zack2
My PF-65ED arrived yesterday, and I thought I'd...

My PF-65ED arrived yesterday, and I thought I'd post some first impressions. So far, I've only been able to take some quick looks outside my NYC apartment building window and also view a dollar bill...
Forum: Spotting Scopes & tripod/heads Wednesday 16th March 2005, 16:20
Replies: 3
Views: 1,699
Posted By zack2
I visited Taman Negara in 1986. I imagine that...

I visited Taman Negara in 1986. I imagine that much has changed since then, both for the better (logistics of getting to the park were not simple back then, and there was very little info about...
Forum: Spotting Scopes & tripod/heads Tuesday 15th March 2005, 03:22
Replies: 20
Views: 6,396
Posted By zack2
Whoops! Meant to write "Astro scopes are usually...

Whoops! Meant to write "Astro scopes are usually set up in a backyard OR in a spot which can be driven to."
Forum: Spotting Scopes & tripod/heads Tuesday 15th March 2005, 03:20
Replies: 20
Views: 6,396
Posted By zack2
The requirements ARE different. Birding scopes...

The requirements ARE different. Birding scopes need to be relatively lightweight, compact, and waterproof. They will also get banged around in the field so they need to be durable. Astro scopes...
Forum: Spotting Scopes & tripod/heads Monday 14th March 2005, 20:47
Replies: 7
Views: 5,535
Posted By zack2
I've never used a shoulder mount before, and I'm...

I've never used a shoulder mount before, and I'm curious about them. What are you using for a mount, and where did you get it? Also, I will be getting a small, light scope but it is angled - does...
Forum: Pentax Monday 14th March 2005, 17:58
Replies: 28
Views: 12,019
Posted By zack2
The exact page is...

The exact page is http://www.excelsis.com/1.0/entryvotes.php?sectionid=24&entryid=45
The site seems to be having problems - I keep getting blank pages when I try to access it. Try again in a day or...
Showing results 1 to 25 of 35
 


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