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Lens for STEM Spyglass Project. See Details Below

$14.00 USD
Product Code: PA1048
Availability: In Stock

SORRY BUT THIS ONE HAS SOLD OUT.  HOWEVER HERE IS LINKS TO A SIMILAR ONES THAT WILL WORK WELL WITH THE STEM SPYGLASS PROJECT SHOWN IN THE JULY 2020 ISSUE OF SKY AND TELESCOPE AND IT IS ACTUALLY BETTER IN THAT IT IS A CEMENTED ACHROMAT MOUNTED IN A BRASS CELL.

L1403 27 MM DIA OBJECTIVE IN BRASS CELL 285MM FL, $14.00   https://www.surplusshed.com/pages/item/L1403.html 
 

Original description of the PA1048:
Manufacturer's part #01 LAO 635. Original price: $95.00. These are made of lead free crown and flint glasses. Not cemented. Design wavelength is 486.1nm, 589nm, or 656.3nm. Center thickness is 7.6mm, edge thickness is 6.5mm. Centration is 3 arc minutes. Edges are beveled.  32mm diameter by 260mm focal length. Unused.=, $14.50

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