8x or less, 32 to 42 mm, Porro
+8x magnification with a 40 mm lens
+Porro prism design gives a wider field of view
+Large aperture for bright images in low light
−Porro prism design makes the body bulkier than roof prism models
$89.00
as of 11/04/2026 00:37 PST - DetailsProduct details
Pentax Jupiter 8x40 Easy Viewing Large Aperture porro Prism Binocular, Black
$89.00as of 11/04/2026 00:37 PST - Details
View on AmazonPros
+8x magnification with a 40 mm lens
+Porro prism design gives a wider field of view
+Large aperture for bright images in low light
Cons−Porro prism design makes the body bulkier than roof prism models
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