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Denkmeier Optical, Inc. is a company co-owned by Russ Lederman and Spectrum Thin Films in Hauppauge NY. Russ Lederman is Inventor of The Power x Switch and Power Switch Star Diagonals. Let Denkmeier Optical be your source for the finest Binoviewers, Eyepieces, and Star Diagonals available anywhere. Whether your telescope is an SCT, Newtonian Reflector, Refractor, Maksutov Cassegrain, Dobsonian, Classical Cassegrain, RCX or other RC telescope brand, we have a binocular viewer for you! See our FAQ section for answers to common questions. You may now see copies  of our products with similar sounding names elsewhere, but do not be tricked or misled : This is The Only Home Of Denkmeiwer Optical. Each and every Denk undergoes personal hands-on quality control procedures by Denk's owners throughout the production process in a state for the art facility here in the USA. 

Quality Takes Some Time!!! See Delivery Information Using:

******DELIVERY SCHEDULES LINK******




LINK BELOW:
***See The Denkmeier Facility***
Click On Text Links Below Each Icon For More Information or To Place Order
      













Upgrade Your PST!!          Binos Ala Carte
      Denk HI-Def Filters                Denk Bino Super Systems




The Big Easy







     






Denk Eyepieces
        Big Easy Binoviewer       Power Switch Diagonals         Insta-Switch Barlow



Filter Switch Systems
Hydrogen Alpha Use




Filter Switches             Hyrdogen Alpha For Binoviewers        USA Quality                     Great Deals!!!


WHICH BINOVIEWER TO BUY??? 



Click Here For All You May Need To Know
 





Latest News 

September, 2010:  Republican Senate Candidate and former NY Congressman Joe DioGuardi (Yes, American Idol Judge Kara's Dad) visited us to see the latest products that Denkmeier Optical and Spectrum Thin Films were working on. He enjoyed a view of some nice prominences through the Spectrum 60 Upgrade for the PST while he was there too! See the link below for his photo news feed.
http://www.flickr.com/photos/joedioguardi/4990157652/

October, 2010:  Announcing Big Denk Hi-Def Filter Sale! Go to the Denk Hi-Def Filter Page using link at top of page.

October, 2010:  Coming Soon - Denk Hi-Def CCD Imaging Filters! We are designing them now. More information will be available in late 2010, early 2011


New Link: VERY IMPORTANT INFORMATION ON IDENTIFYING "PREMIUM" COATINGS


A Note To Visitors: There is a lot of information about our Binoviewer systems that can be accessed on this website. Deciding which Denk Binoviewer System is the perfect one for you, especially if you own more than one telescope can be a bit confusing. Now the new Super Systems available in Standard or Denk II Versions make it all simple. The Super System works in virtually all telescopes.  We encourage and welcome you to call us (Contact) with any questions that remain after exploring this website, even if this is just to confirm that you have chosen wisely. We receive calls from all over the world everyday and are happy to help you in the selection process. We know that those of you who are pursuing an understanding and appreciation of the heavens through visual observation expect nothing less than outstanding and trouble-free performance when adding a Denk. Whether you are are just beginning, or a seasoned veteran, we are always willing to spend as much time as necessary to help you take in the wonder that is The Cosmos, "The Denk Way".


QUESTIONS

"Frequently Asked Questions"

"Important Quality Information!!"

"Customer Comments"

"Our Matched Eyepiece Pairs"

"Star Diagonals"

"Manuals"

"Denk Reviews"



USA-Made Prisms Featuring 100% Dielectric Coatings Shipped World Wide to 35+ Countries and Counting!! Add our Matched D21mm and D14mm 65 degree eyepieces. They are guaranteed to  render amazing performance in your Denk. We assemble them right here in the USA.

"The Vast and Mysterious Universe Deserves to Be Viewed With Nothing Less Than a Denk!"
- Anonymous

OK.... I admit it. I said it. But it's true!!! -Russ


   

We Accept Credit Card Payment From Our Amateur Astronomy Friends From All Over The World! We Provide Systems To Customers In Over 35 Countries On Our Planet Earth!!    

6% Maryland Sales Tax will be added to all retail prices for Maryland, USA residents.

     


 
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