SKU: 41641931871

Explore Scientific 62° Series 40mm Long Eye Relief Eyepiece (2")

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Description

Explore Scientific 62° Series 40mm Long Eye Relief Eyepiece (2")40mm Focal Length 62 Field of View 2" Diameter Barrel Long 28. 2mm Eye Relief Fully Multi Coated Optics Argon Filled, Water and Fog proof Slip Resistant Textured Surface Explore Scientific engineered this 62 Series 40mm Long Eye Relief Eyepiece to address a common concern during astronomy sessions: Contact with the eyepiece causing unwanted vibrations that interfere with your viewing experience. The eyepiece's long 28. 2mm eye relief places the eye

  • 40mm Focal Length
  • 62° Field of View
  • 2" Diameter Barrel
  • Long 28.2mm Eye Relief
  • Fully Multi-Coated Optics
  • Argon-Filled, Water and Fog-proof
  • Slip-Resistant Textured Surface

Explore Scientific engineered this 62° Series 40mm Long Eye Relief Eyepiece to address a common concern during astronomy sessions: Contact with the eyepiece causing unwanted vibrations that interfere with your viewing experience. The eyepiece's long 28.2mm eye relief places the eye far back from the lens surface, thus avoiding contact, while allowing for tack-sharp focusing. Image quality is enhanced through the use of a 5-elements in 3-groups lens configuration and anti-reflection fully multi-coated optics. This model of the 62°-series comes with a 2" diameter barrel that fits into common drawtubes, and accepts most eyepiece filters. The housing is argon-filled and O-ring sealed to be water and fog-proof, and has a textured ring on the exterior to give it a secure grip.

Focal Length 40 mm
Barrel Diameter 2.0"
Eye Relief 28.2
Field Stop Diameter 42.2 mm
Apparent Field of View 62°
Dimensions Not specified by manufacturer
Weight 23.6 oz / 669.1 g
In the Box
Explore Scientific 62° Series 40mm Long Eye Relief Eyepiece (2")
  • Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
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SKU: 41641931871

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4.4 ★★★★★
Based on 14 reviews
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Mick Charles Beaver
Lexington, US
★★★★★ 2
would have been better as a blog
Format: Paperback
First off, I have read over half of this book, but ultimately decided to put it down because it had a low signal-to-noise ratio. If the second half is filled with magic, I apologize in advance. What I liked: * The author is very honest. He does not shy away from discussing his failures (and successes). * The postmortem on the game "Life of Pixel" was especially good. * Interviews from various indie studios are sprinkled throughout. What I did not like: * A number of pieces of information were already out-of-date. This makes me think that the concepts should have been discussed at a higher level. For example, specifics about game engine costs are discussed. These numbers have changed since E3 of this year. Definitely recheck any information before formulating a plan based on the book's recommendations. * The indie studio interviews are a wasted opportunity in that they each interview has the same set of questions. It's like a questionnaire was sent out via email and the responses were pasted into the book. * When discussing commercial options, such as engines or other software packages, blurbs once again appear to be cut-and-pasted (this time verbatim from the package's web site). * Some of the advice is too broad and too light. For example, when writing about how to create a press release, the author discuss how to write in the active voice. I'm frankly not looking for writing tips in my Indie Game Developer Handbook. * The book is filled with tons of web links. My paperback copy was not so useful here. I ultimately left the book with the impression that the information would have been much better in the form of a blog. The author could have really gone in depth with the parts of the book that shined while keeping the surveys of topics in a form that serves them better (i.e. web links on the web).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2015
M
Verified Purchase
Meridian
Carnegie, US
★★★★★ 5
Helpful information and Questions to consider
Format: Paperback
As a writer of science fiction and fantasy I had already looked into the physical aspects of the worlds I was creating, but I quickly realized I needed to include society and culture in the worldbuilding. I started a search for information, questionairres, or guidelines to use and found very little that would be helpful to me as a writer. Until I came across this book. It's exactly what I needed. It touches on multiple aspects of beliefs and practices and asks questions to help you think through what you want for your worlds, even if it's mostly backgroud. A very useful tool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2024
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 3
Great Value for Book
Format: Paperback
Substantially cheaper than Barnes and Noble! Good read. Got alot of ideas! Hint ALWAYS check online for a cheaper price typically i he found books 35 to 50 % cheaper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
L
Verified Purchase
laughingant
Louisville, US
★★★★★ 5
Good book
Format: Hardcover
Well-written and a great read for children who are fans of the animated series.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
M
Verified Purchase
Matt
Belleville, US
★★★★★ 5
Great for my 1st grader
Format: Hardcover
It’s a good story, well illustrated and easy to read. My daughter enjoyed it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025

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