Join for FREE
It only takes a minute!
Magnifying the passion for nature. Zeiss Victory Harpia 95. New!

Welcome to BirdForum.
BirdForum is the net's largest birding community, dedicated to wild birds and birding, and is absolutely FREE! You are most welcome to register for an account, which allows you to take part in lively discussions in the forum, post your pictures in the gallery and more.

pentax + eagle raven

Thread Tools Rate Thread
Old Friday 3rd June 2005, 02:57   #1
Just a Guy

Join Date: Mar 2004
Location: Minnesota
Posts: 35
pentax + eagle raven

Hello all! I hope someone can give me some advice.

I purchased an Eagle Optics scope a couple years ago, not the best, but it works. This year I purchased a Pentax *ist DS camera and decided to attach it to the scope. I purchased the proprietary Eagle adapter and the correct t-ring et viola, a 1000mm, f10.2 lens for my new camera! I set it up and took a few pics around the yard, all less than 50 feet, and it worked well - nice clear pics on a cloudy day.

Last week-end I 6took this rig to a park, hoping to get some pics of Great Egrets fishing - the results were less than pleasing. Very hard to see the screen on a nice sunny day, so it wasn't until I returned home that I saw the problems.

There was a violet fringing around the white birds - I knew that this might happen, so I wasn't very surprised - an artifact of the lens.

What was worse was that none of the pics was focused correctly. After a couple shots it seemed that the adapter was too loose and I screwed the tube in until I could snug it tight with the set screw...might I have changed the focal length beyond the ability of the lens to focus? Or, is the lens so poor that it cannot focus clearly at 100 yards?

The shots I took in my yard were very detailed and clear, I expected a little degradation at longer distances, so this trial was a disappointment (especially since I had some great action shots of the Egrets hitting the water!)

I will try backing off the tube of the adapter, but am wondering if there is an easier method of fine tuning the set-up, it seems incredible that the change in distance could make such a difference in quality.

Any thoughts or suggestions appreciated...


Last edited by Steve-O : Friday 3rd June 2005 at 03:01.
Steve-O is offline  
Reply With Quote

Thread Tools
Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
the pros, marketing binos, pentax sp and the rest iambirding Pentax 25 Monday 14th February 2005 16:46
Eagle Raven with Olympus C750 UZ or buy new camera? jonesjen Vortex 5 Saturday 17th July 2004 12:52
Detail & checklist of birding near Gweru Zimbabwe Zimbernard Kenya 3 Friday 14th May 2004 13:27
Update On Philippine Eagle Reintroduction cuckooroller Conservation 1 Friday 30th April 2004 08:15
Philippine Eagle - First Release of Captive-bred cuckooroller Conservation 19 Wednesday 31st March 2004 12:52


Fatbirder's Top 1000 Birding Websites

Help support BirdForum

Page generated in 0.12140393 seconds with 10 queries
All times are GMT. The time now is 10:36.