Pentax SMC 8-24mm Zoom Eyepiece (1.25")

Pentax SMC 8-24mm Zoom Eyepiece (1.25")

Pentax SMC 8-24mm Zoom Eyepiece (1.25")

B&H # PEEP2060X MFR # 70509
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Value: $9.99

Product Highlights

  • 26-78x with 100mm Scope
  • 21-63x/20-60x/20-61x with 80mm Scopes
  • 16-46x/16-48x with 65mm Scopes
  • For Any Scope Using 1.25" Eyepieces
  • Waterproof & Fogproof
  • Wide Angle
  • 20-60x Magnification
  • 18-22mm Eye Relief
  • 38-60° Apparent Angle of View
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Pentax 70509 overview

  • 1Description

Constructed with high-refraction, low-dispersion, multi-coated lanthanum glass optics, the SMC 8-24mm Zoom Eyepiece fits all Pentax spotting scopes for terrestrial viewing, and can also be used with telescopes with 1.25" focusers. It offers generous 18-22mm eye relief for comfortable viewing and an apparent angle of view as wide as 60°. Built to Japanese Industrial Standards Class 4, it is weather resistant.

  • Pentax PF-100ED, PF-80EDA, PF-80ED, PR-80EDA, PR-65EDA, PF-65ED(A)II spotting scopes
Optical Performance
  • Apparent angle of view 38-60°
  • Long 18/22mm eye relief accommodates eyewear
  • Magnification: 26-78x with 100mm scope, 21-63x/20-60x/20-61x with 80mm scopes, 16-46x/16-48x with 65mm scopes
Construction Details
  • USA Standard 1.25" eyepiece threading diameter
  • Waterproof & fogproof (JIS Class 4-rated)
  • Multi-layer coated optics
  • High-refraction, low dispersion lanthanum glass
  • Accepts conventional 1.25" diameter filters for astronomical and terrestrial applications
UPC: 027075048737
In the Box
Pentax SMC 8-24mm Zoom Eyepiece (1.25")
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Pentax 70509 specs

    Magnification With PF-100ED: 26-78x
    With PF-80EDA: 21-63x
    With PF-80ED: 20-60x
    With PR-80EDA: 20-61x
    With PR-65EDA: 16-46x
    With PF-65ED(A)II: 16-48x
    Apparent Angle of View 38-60°
    Field of View With PF-100ED: 78-42' @ 1000 yd (26-14 m at 1000 m)
    With PF-80EDA: 93-49' @ 1000 yd (31-16.5 m at 1000 m)
    With PF-80ED: 99-51' @ 1000 yd (33-17 m at 1000 m)
    With PR-80EDA: 99-54' @ 1000 yd (33-18 m @ 1000 m)
    With PR-65EDA and PF-65ED(A)II: 120-63' @ 1000 yd (40-21 m at 1000 m)
    Angle of View With PF-100ED: 1.5-0.8°
    With PF-80EDA: 1.8-0.95°
    With PF-80ED: 1.9-1.0°
    With PR-80EDA: 1.9-1.0°
    With PR-65EDA: 2.4-1.3°
    With PF-65ED(A)II: 2.4-1.25°
    Exit Pupil Diameter With PF-100ED: 3.9-1.3 mm
    With PF-80EDA: 3.8-1.3 mm
    With PF-80ED: 4.0-1.3 mm
    With PR-80EDA: 4.0-1.3 mm
    With PR-65EDA: 4.1-1.4 mm
    With PF-65ED(A)II: 4.0-1.4 mm
    Eye Relief 18-22 mm
    Dimensions 2.7 x 5.7" (69 x 144 mm)
    Weight 1.21 lb (550 g)
    Packaging Info
    Package Weight 1.4 lb
    Box Dimensions (LxWxH) 7.48 x 4.016 x 3.543"

    Pentax 70509 reviews

    SMC 8-24mm Zoom Eyepiece (1.25") is rated 4.2 out of 5 by 5.
    Rated 5 out of 5 by from Great eyepiece Used for birding and astronomy with 80mm Pentax spotting scope. Combination produces a high quality image.
    Date published: 2010-10-27
    Rated 5 out of 5 by from Great eyepiece for the PF-80ED spotting scope I use this for viewing wildlife or paper targets at distances from 100 yards to 400 yards. In combination with the Pentax PF-80ED spotting scope, this product has given excellent image quality under a wide range of light conditions. Brightness of image, contrast, colors, and resolution are all exceptionally good. I've owned this combination for over a decade and have never felt any need to upgrade further. At 100 yards, with this optic dialed to it's 8 mm setting (60X for the combination with the 80mm scope), it is easy to clearly identify things as small as flies against the white background of a target. It is very easy to determine whether scoring rings have been touched or broken. At 300 yards it is easy to score deer on the Boone & Crockett scale with a little experience. As is true with any high magnification optic, it is essential to have a stable base. I use a heavy Bogen tripod. I can't think of a thing that I do not love about this eyepiece when used with my Pentax PF-80EF spotting scope. It is a rugged, well built, optically excellent product. I would buy it again, and I would not hesitate to recommend it to a friend or relative.
    Date published: 2016-01-06
    Rated 2 out of 5 by from Disappointing I bought this zoom lens for a Pentax PF-80ED-A 80mm Spotting Scope, expecting the image to be sharp all the way up to 63x. While it is clear and sharp at low power it is certainly not at full power. I don't think there is anything wrong with it. I think my expectations were probably too high.
    Date published: 2011-12-14
    Rated 5 out of 5 by from Excellent eyepiece This is a well matched eyepiece for the Pentax 80MM spotting scope. Eye relief makes it easy to use with glasses but the relief is better without glasses.
    Date published: 2017-09-26
    Rated 4 out of 5 by from Very Nice Eyepiece, Just Wish There Was More Eye Relief I'm using this eyepiece on a Pentax PF-80ED-A for astronomy, nature, and shooting. The brightness, contrast, colors, and resolution are excellent both night and day. The view is perfectly sharp nearly to the edge of the field at all zoom settings. On the outer edge of what Pentax calls the Cup, there is a rubber ring that protects eyeglasses from scratches. It can be rotated to provide adjustable eye relief. The part of the eyepiece that enters the scope has notches that align with a pin in the scope. This keeps the eyepiece from rotating when the zoom ring is turned. With the Cup extended, this eyepiece is large! Excluding the part that enters the scope, it's almost 4-1/4 long and about 2-1/2 in diameter. Weight is about 1 lb. If the air is steady and conditions are bright enough, views at 60X are stunning. It's hard to imagine how much detail you can actually see. However, you will need a VERY steady tripod to use this much power. The only reason I'm not giving 5 stars is because of the somewhat limited eye relief. If I adjust the Cup all the way down, I can use this eyepiece with glasses, but only about half of the field is visible.
    Date published: 2017-01-17
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