Book Launch! Introducing "Backyard Backyard Birds: A Beginner's Guide to Backyard Birds in Southwestern Ontario" by Megan Switzer and Paul Roedding On Saturday December 7th, from 11:00-1:00 you can come meet the authors of "Backyard Backyard Birds: … read more 2024 Nov 14th
NEW! Open Box Deals OPEN BOX DEALS We are happy to introduce some great savings to be had on some great pieces of e … read more 2024 Aug 29th
Verdict is in: Best Spotting Scope for Birding under $500 Best Spotting Scope under $500? Here is our opinion: Testing out spotting s … read more 2024 May 29th
Description Description Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 50.4 x 3mm Round (without Cell) View AllClose
Add to Cart Quick view Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 36 x 2mm Round (without Cell) Baader Planetarium MSRP: Your price: On Sale: $246.00 Was: Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 36 x 2mm Round (without Cell) ALP-FOIIIN-RD36 SKU: ALP-FOIIIN-RD36
Add to Cart Quick view Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 65x65x3mm Square (without Cell) Baader Planetarium MSRP: Your price: On Sale: $664.00 Was: Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 65x65x3mm Square (without Cell) ALP-FOIIIN-SQ65 SKU: ALP-FOIIIN-SQ65
Add to Cart Quick view Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 50x50x3mm Square (without Cell) Baader Planetarium MSRP: Your price: On Sale: $505.00 Was: Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 50x50x3mm Square (without Cell) ALP-FOIIIN-SQ50 SKU: ALP-FOIIIN-SQ50
Add to Cart Quick view Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 2in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $306.00 Was: Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 2in (with LPFC) ALP-FOIIIN-2 SKU: ALP-FOIIIN-2
Add to Cart Quick view Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 1.25in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $201.00 Was: Baader Planetarium Narrowband O-III (8.5nm) CCD-Filter, 1.25in (with LPFC) ALP-FOIIIN-1 SKU: ALP-FOIIIN-1
Add to Cart Quick view Baader Planetarium Narrowband H-Beta Filter 8.5nm, 2in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $296.00 Was: Baader Planetarium Narrowband H-Beta Filter 8.5nm, 2in (with LPFC) ALP-FHBN-2 SKU: ALP-FHBN-2
Add to Cart Quick view Baader Planetarium Narrowband H-Beta Filter 8.5nm, 1.25in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $184.00 Was: Baader Planetarium Narrowband H-Beta Filter 8.5nm, 1.25in (with LPFC) ALP-FHBN-1 SKU: ALP-FHBN-1
Add to Cart Quick view Baader Planetarium Narrowband S-II (8nm) CCD-Filter, 1.25in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $201.00 Was: Baader Planetarium Narrowband S-II (8nm) CCD-Filter, 1.25in (with LPFC) ALP-FSIIN-1 SKU: ALP-FSIIN-1
Add to Cart Quick view Baader Planetarium Narrowband S-II (8nm) CCD-Filter, 2in (with LPFC) Baader Planetarium MSRP: Your price: On Sale: $316.00 Was: Baader Planetarium Narrowband S-II (8nm) CCD-Filter, 2in (with LPFC) ALP-FSIIN-2 SKU: ALP-FSIIN-2