Pentax SMC XW10 10mm Wide Angle Eyepiece (1.25")

Pentax SMC XW10 10mm Wide Angle Eyepiece (1.25")

Pentax SMC XW10 10mm Wide Angle Eyepiece (1.25")

B&H # PEEP10X MFR # 70514
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Pentax SMC XW10 10mm Wide Angle Eyepiece (1.25")

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Product Highlights

  • Fits 1.25" Pentax Spotting Scopes
  • 62x with PF-100ED Spotting Scope
  • 52x with PF-80EDA Spotting Scope
  • 50x with PF-80ED Spotting Scope
  • 39x with PF-65EDA II & PF-65ED II Scopes
  • 70° Apparent Angle of View
  • Extra-Low Dispersion Lanthanum Glass
  • Fully Multi-Coated
  • 20mm Eye Relief
  • Waterproof & Fogproof
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  • 1Description

Featuring premium optical components, a wide field of a view, and generous eye relief for comfortable glassing, the Pentax SMC XW10 10mm Wide Angle Eyepiece is designed for use with Pentax 65mm, 80mm, and 100mm spotting scopes. The 70° field of view puts a wide segment of the horizon in front of you – even when wearing eyeglasses or sunglasses, thanks to the long 20mm eye relief. This eyepiece yields 62x magnification with the PF-100ED, 52x with the PF-80EDA, 50x with the PF-80ED, and 39x with the PF-65EDA II and PF-65ED II. Extra-low dispersion lanthanum glass elements provide a balanced image with minimal aberrations, while fully multi-coated air-to-glass surfaces and partially coated laminated surfaces avoid reflection for optimal light transmission. A light-shielding diaphragm further reduces internal reflections for a bright, high-contrast image.

The eyepiece is constructed to Japanese Industrial Standard Class 4 for water resistance. It is not to be used underwater, but will easily withstand light rain or dew. Its diameter is the American standard of 1.25", so it can be used in other optics that accept eyepieces, and it offers a 43mm adapter mounting thread under the removable eyecup.

Compatibility
  • Pentax PF-100ED, PF-80EDA, PF-80ED, PF-65EDA II, PF-65ED II spotting scopes
Optical Performance
  • Wide 70° field of view
  • Long 20mm eye relief accommodates eyewear
  • 62x magnification with PF-100ED
  • 52x magnification with PF-80EDA
  • 50x magnification with PF-80ED
  • 39x magnification with PF-65EDA II and PF-65ED II
Construction
  • Extra-low dispersion lanthanum glass
  • Fully multi-coated on surfaces that come into contact with air
  • Partially coated laminated surfaces
  • Light-shielding diaphragm further reduces internal reflection
  • Weatherproof construction (JIS Class 4-rated)
  • 1.25" diameter
  • 43mm adapter thread under eyecup
UPC: 027075075221
In the Box
Pentax SMC XW10 10mm Wide Angle Eyepiece (1.25")
  • Limited 25-Year Warranty
  • Table of Contents
    • 1Description
    Magnification With PF-100ED: 62x
    With PF-80EDA: 52x
    With PF-80ED: 50x
    With PF-65EDA II and PF-65ED II: 39x
    Angle of View Apparent: 70°
    Field of View With PF-100ED: 57' / 19 m at 1000 m
    With PF-80EDA: 72' / 24 m at 1000 m
    With PF-80ED: 72' / 24 m at 1000 m
    With PF-65EDA II and PF-65ED II: 93' / 31 m at 1000 m
    Eye Relief 20 mm
    Weatherproofing JIS Class 4-rated weather-resistant
    Dimensions 4.3 x 2.4" / 11.0 x 6.1 cm
    Weight 13.8 oz / 390 g
    Packaging Info
    Package Weight 1.3 lb
    Box Dimensions (LxWxH) 7.5 x 4.0 x 3.4"
    SMC XW10 10mm Wide Angle Eyepiece (1.25") is rated 5.0 out of 5 by 12.
    Rated 5 out of 5 by from new standard in contrast... and service! Having used orthos, plossls, various wides and Pans/Naglers, I heard a lot about the XW series and decided to try for myself. Flat field, color correction and contrast are on par with the 11mm t6 Nagler in my triplet, and the housing is also easy to grip with gloves. The best parts to me though are the built in t-adapter and the lifetime warranty. Regardless of fault, you can send it back to them for repair/replacement for only a small fee, I think just $ or so. Can't beat that!! Only downside is a slight color tint but only noticeable when direct comparison is made to the nagler, certainly not a dealbreaker...
    Date published: 2015-02-02
    Rated 5 out of 5 by from Great Eyepiece I purchased the Pentax SMC XW 10mm eyepiece to use with my Celestron Nexstar Evolution 8 SCT. This is a very nice eyepiece. Viewing is easy with or without glasses. I wear no-line trifocal eyeglasses and have no problem viewing while wearing glasses. Views are amazing, a nice wide field of view. I live in a somewhat light polluted area, and have had some great views of Saturn, its moons, and its bands. I have only had this eyepiece a couple of weeks, and we have had extreme cold and snow/ice. I am looking forward to clearer skys and more time to explore the night sky with this eyepiece. I also have a Televue Plossl 32mm, and a Televue Ethos 17.3mm. I would easily put this on the same level of quality as Televue. I am planning on ordering the 7mm Pentax next, based on the good results I have had with this eyepiece.
    Date published: 2015-02-20
    Rated 5 out of 5 by from Great eyepiece I use the eyepiece with a 80mm Pentax scope for long range rifle shooting. This is a large eyepiece but not a problem. The field of view and image sharpness are just super. While I can't pick out individual hits at 1000 yd. I can read the score ring numbers and shot markers like I was standing right in front of the target. I have been able to compare the image quality with a few other scopes used by other shooters and have not seen anything that exceeds the image quality of the Pentax eyepiece.
    Date published: 2015-08-31
    Rated 5 out of 5 by from Superior eyepiece I have now a 20mm and 10mm eyepiece for my Pentax spotting scope, and thus have a 20X and 39X power view. The XW series of eyepieces from Pentax are simply the finest eyepieces you can buy for spotting scopes, period. I've compared them side-by-side with eyepieces costing from 50% to 100% more, and they actually come out ahead. The wide view, and generous eye relief will delight those wearing eyeglasses. You feel like you're in the view and not looking down a tunnel.
    Date published: 2012-03-21
    Rated 5 out of 5 by from Very high quality eyepiece Overall the view angle is terrific and the magnification is just what I was looking for (39x in 65mm Pentax Spotter). A tad bit large but still balances well on the tripod. The screw up adjustable cap really helps with accommodating to the proper eye relief distance, whether wearing glasses or not, it was perfect both ways.
    Date published: 2011-10-11
    Rated 5 out of 5 by from It just doesn't get any better. While I will focus (excuse the pun) on the Pentax 10mm XW, obviously anyone considering this EP will also be looking at others such as Naglers and Ethos. To be candid, once you reach this level of performance the differences which come in to play are personal preferences and the specific telescopes used with the EP. I am primarily a binoviewer (Denk II with Power X switch) visual astronomer and am currently using a TEC 140 refractor. I have owned many scopes and eyepieces and presently own a pair of Televue 24mm Panotptics and a pair of these 10mm Pentax XW. If you are using the Pentax with a binoviewer you must be certain your nose is not too large or you will then have to partially disassemble the EP to get the proper interpupillary spacing. I did not find this necessary, but some will. This can be as simple as removing the plastic shades or with moderate effort by removing the outer cylinder and rubber coating. As far as the optics are concerned, you really can't do any better. If you want more filed of view then the Ethos will give that one advantage. I no longer own the Ethos because the 2 inch skirts interfere with the proper locking of the eyepieces in the Denk II diopters. The light throughput on the Pentax is second to none and the color seems somewhat purer to my eyes. With the Naglers there is a slight, though not objectionable, yellowing of the objects. This has been described by others as a warmer view. I prefer the pure white views the Pentax delivers although the Naglers being more diminutive fit nicely in any binoviewer with no issues. In the TEC 140 and using the Power X switch, the Pentax gives about 130X, 200X, and 300X magnifications. There is practically no difference in these 3 eyepieces I've mentioned as far as kidney beaning and pincushion distortion. The distortions are minimal in all three. The nice thing about buying high end eyepieces is if you decide you want something else, there is always a demand for them on the used market. If you start with a moderate or inexpensive eyepiece, you'll end up losing most of the original value in a resale. Regardless of the scope you have, if you want the very best view possible you'll want a high end eyepiece. The weight and feel of this Pentax immediately conveys quality. One look through a nice scope using the 10mm XW will tell you why so many people will plop down the money they do for these. I looked at Jupiter the other night at 130X through the 10mm XW and saw nice detail in the cloud belts and a sharp black dot on the surface from a transiting moon. The visible moons were not simply pinpoints, but sharply defined discs. Granted the TEC 140 is one of the premier refractors available, but the Pentax really enables the scope to do what it is designed to without limitation. If your standards are high and you want the very best views possible you can't go wrong with this eyepiece.
    Date published: 2011-02-25
    Rated 5 out of 5 by from Use On Spotting Scope 4 Target Shooting I purchased this Pentax XW10 eyepiece for a Pentax PF-65EDAII spotting scope and I have no complaints with it. This setup is very clear and does great for what I bought it for. My main intent with this setup was to see bullet holes when target shooting at extended ranges and under ideal atmospheric conditions I was able to make out .223 diameter holes in white paper and on brown carboard at 515 yards away so I'm really happy with that. I doubt I could make them out at 600 yards but I'm sure I could see .308 diameter holes at 600 or possibly a little further, again under ideal conditions. 515 yards was as far as I had available to shoot so I didn't try for max visible distance. I was caught off guard by the shear size of this eyepiece when I received it as I was imagining it to be half the size it is. The only improvement I could suggest on this item is for a better fitting lens cap. The cap just presses into the rubber eye cup and is held by friction. So far I've not had mine come out but I tend to worry about it coming out at some point and losing the cap.
    Date published: 2015-03-09
    Rated 5 out of 5 by from Excellent Eyepiece I use this for astronomy with my telescope. The Pentax XW eyepieces are among the finest being made.
    Date published: 2015-05-05
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