The complete guide to the Telescope: Reviews, Information on designs, optical quality.


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                       Telescope Objectives       YOU ARE HERE
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TELESCOPE OBJECTIVES - SURPLUS SHED

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150MM DIAMETER F/17 PCX LENS 2600MM FL      L3854D
Very long focal length lens for customers wanting to make a simple educational refractor or for projection projects such as Camera Obscura (or get creative with your ideas for this large diameter long focal length lens). When used as a telescope objective, please note that the lens is not achromatic. 150mm diameter (just shy of 6in) plano convex lens with a focal length of about 2600mm (103in). Edge thickness is 3.5mm, center thickness is 4mm. These are unused in mint original condition. Surplus Shed have had these glass lenses (white glass, not plate glass) custom made and can provide any quantity you may need for your project/production run. This price is unheard of for a new lens of this size! Buy a few! Dont know how long this low price will last!  
 
Buy from US    
$25.00 each.
Shipping (US)
$6 max

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150MM DIAMETER F/17 PMN LENS 2600MM FL      L3855D
Very long focal length lens for customers wanting to make a simple educational refractor or for projection projects such as Camera Obscura (or get creative with your ideas for this large diameter long focal length lens). When used as a telescope objective, please note that the lens is not achromatic. 150mm diameter (just shy of 6in) positive meniscus lens with a focal length of about 2600mm (103in). Edge thickness is 2mm, center thickness is 2.5mm. These are unused in mint original condition. Surplus Shed have had these glass lenses (white glass, not plate glass) custom made and can provide any quantity you may need for your project/production run. This price is unheard of for a new lens of this size! Buy a few! We dont know how long this low price will last!  
 
Buy from US    
$25.00 each.
Shipping (US)
$6 max

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MTD 80MM DIA OBJECTIVE, 900MM FL      L3002
Coated air spaced glass doublet telescope objective lens, 80mm clear diameter by 900mm focal length. Plastic mount with O.D. of 95mm and front lip to butt against a tube up to about 100mm O.D. This is a great quality telescope objective and will make a nice scope. Unused  
 
Buy from US    
$39.00 each.
Shipping (US)
$6 max

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MTD 80MM DIA OBJECTIVE, 900MM FL      L2148
Coated air spaced glass doublet telescope objective lens, 70mm clear diameter by 800mm focal length. Plastic mount with threaded end. Mount is 74mm diameter. Threaded end is 70mm diameter. This will make a great quality telescope objective. Unused  
 
Buy from US    
$23.50 each.
Shipping (US)
$6 max

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90MM DIA MTD TELESCOPE OBJECTIVE, 900MM FL, COATED      L3947
Nice mounted air-spaced achromatic glass telescope objective. Both elements are AR coated. Clear lens diameter of 90mm with a focal length of 900mm (F/10). Front barrel diameter is 90mm (ID) and 98mm (OD), rear barrel is 90mm (ID) and 108mm (OD). The entire assembly is 80mm long. These are brand new and will make a great scope!  
 
Buy from US    
$59.00 each.
Shipping (US)
$6 max

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JAEGERS BOOKLET: HOW TO BUILD AN ASTRONOMICAL REFRACTOR TELESCOPE.      M4114
11 page booklet made by A. Jaegers with construction information, some is specific to their objectives but good general info.  
 
Buy from US    
$0.50 each.
Shipping (US)
$6 max

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MAKE YOUR OWN 152MM DIA JAEGERS TELESCOPE OBJECTIVE LENS 762MM FL F/5      L10625J
Included are the crown and flint to make your own 152mm diameter (6 inch), 762mm (30in) focal length Jaegers telescope objective, f/5. Jaegers catalog #3231. These can be air spaced by putting small pieces of masking tape on the edges to make one great objective! Both elements are in excellent condition. They are not coated. Own a part of Astronomic history! Limited supply  
 
Buy from US    
$425.00 each.
Shipping (US)
$6 max

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MAKE YOUR OWN 152MM DIA JAEGERS TELESCOPE OBJECTIVE LENS 762MM FL F/5-SECONDS      L10625JS
These have small edge chips or slight staining that doesnt interfere with its use. Surplus Shed carefully Ronchi test each to be certain they get straight lines. Included are the crown and flint to make your own 152mm diameter (6 inch), 762mm (30in) focal length Jaegers telescope objective, f/5. Jaegers catalog #3231. These can be air spaced by putting small pieces of masking tape on the edges to make one great objective! They are not coated. Own a part of Astronomic history! Limited supply  
 
Buy from US    
$325.00 each.
Shipping (US)
$6 max

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MAKE YOUR OWN JAEGERS 128MM DIA, 629MM FL TELESCOPE OBJECTIVE LENS F/5 - SECONDS      L10646JS
These have small edge chips or slight staining that doesn't interfere with its use. Surplus Shed carefully ronchi test each to be certain they get straight lines. This is Jaegers Catalog #1475. These can be air spaced by putting small pieces of masking tape on the edges to make one great objective! Both elements are in excellent condition. They are not coated. Own a part of Astronomic history! Limited supply. 128mm diameter (5.06in) by 629mm (24.75 inches) focal length.  
 
Buy from US    
$150.00 each.
Shipping (US)
$6 max

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MAKE YOUR OWN JAEGERS 110MM DIA TELESCOPE OBJECTIVE LENS, 495MM FL F/4.5      L13717J
Jaegers catalog #3120. Included are the crown and flint to make your own Jaegers achromatic telescope objective! 110mm diameter (4.3in) by 495mm (19.5in) focal length f/4.5. Not coated. Could be cemented, air spaced or taped together to make a great objective! Surplus Shed will include the orientation instructions. Recently selling on the Jaegers website for $625.00. Limited supply.  
 
Buy from US    
$95.00 each.
Shipping (US)
$6 max

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31MM DIA X 124MM FL MILITARY 6 X 30 BINOCULAR OBJECTIVE      L3664
Jaegers catalog #10D 998. This may have been used on a 6x30 binocular. Fully coated cemented achromat in great original condition. 7mm thick, unused. Similar to our L3485, but these are unused Jaegers made lenses.  
 
Buy from US    
$12.00 each.
Shipping (US)
$6 max

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A. JAEGERS 20MM DIA, 49MM FL OBJECTIVE IN BRASS CELL      L3678
Jaegers catalog #13D 1481. Uncoated achromatic objectives mounted in a brass cell 10mm long. Top cell diameter is 23mm, rear is 22mm and threaded. Uncoated. Put two of these together to make a quality 25mm plossl .965in eyepiece!  
 
Buy from US    
$7.50 each.
Shipping (US)
$6 max

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MTD 70MM DIA TELESCOPE OBJECTIVE, 800MM FL      L2148
Coated air spaced glass doublet objective lens, 70mm clear diameter by 800mm focal length. Plastic mount with threaded end. Mount is 74mm diameter. Threaded end is 70mm diameter. This will make a great quality telescope objective. Unused  
 
Buy from US    
$23.50 each.
Shipping (US)
$6 max

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MTD 50MM AIR SPACED OBJECTIVE, 600MM FL      L3398
Heres a coated, achromatic air spaced doublet objective lens for a small telescope. Great for educational purposes. Mounting unscrews and the flint and crown elements can slide out. 50mm clear diameter by 600mm focal length. Great for making a first telescope to see the craters on the moon, etc. Use with PVC or cardboard tubing and one or two of our inexpensive eyepieces. Use this to replace your damaged scope objective. Unused.  
 
Buy from US    
$12.50 each.
Shipping (US)
$6 max

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MOUNTED 70MM X 500MM FL TELESCOPE OBJECTIVE      L3498
Coated air spaced glass doublet objective lens, 70mm clear diameter by 500mm focal length. Plastic mount with threaded retaining ring. Mount is 77mm diameter. This is a great quality telescope objective. Flange extends out to 90mm. Nice objective for a compact telescope or finderscope. Unused. Please note that the end with the retaining ring points to the sky.  
 
Buy from US    
$23.50 each.
Shipping (US)
$6 max

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