ISTAR'S NEW 140MM F/6.5 FLUORIDE APOCHROMATIC TRIPLET
2020年8月23日 · I'm excited to share the latest news from iStar Optical. We have JUST finalized the latest updates in the design and production of our brand new 140mm F/6.5 APO Triplet and the results are simply phenomenal! In one of the two tested triplets were able to achieve PV/10 (min. target surface accuracy is set at PV/5) and Strehl of quite impressive ...
Home | ISTAR Scope Club
A place to show off your home built ISTAR. Discussion of methods, materials, tools, and ideas for making your own custom built refractor. 49. 609. iStar 180 F/8 R30 build from Oz. by GrahamP. Jun 3, 2021 at 4:10am. Non ISTAR ATM.
8" F8.8 ISTAR-OPTICAL SIDEWALK ACTIVITIES IN 2017
2017年4月15日 · 8" F8.8 ISTAR-OPTICAL SIDEWALK ACTIVITIES IN 2017 Apr 20, 2019 2:48:30 GMT -5 via mobile . Quote. Select Post;
8" F8.8 Istar-optical Sidewalk in 2015 | ISTAR Scope Club - ProBoards
07-02-2015 Jupiter Through The 8" ISTAR-OPTICAL Telescope: via @youtube Pls take note that this is a raw video footage directly taken through the DSLR , and you will see some CA, coz I forgotten to bring my UV/IR cut filter....
140mm F/6.5 APO - FIRST LIGHT from light polluted Tucson
2021年1月28日 · Hello friends, this image was done as a quick test of our newly designed and produced 140mm F/6.5 APO triplet using Ohara FCD100 and two types of Lanthanum. This superior design is hitting highest marks. This image is a stock of 60 1-min images, taken from center of very light polluted Tucson (second largest city in Arizona).
Phantom CFL 140-6 APO triplet reflector telescope | ISTAR
2021年1月28日 · Each telescope is shipped inside high quality aluminum case with handles, locks and excellent quality cross-linked polyethylene foam that will last a lifetime. For detailed information please contact me directly at [email protected] You can call me at 619-452-9820, opening hours in Arizona: 10:00AM to 18:00PM.
Excellent home build by Robin Lim using iStar 140 F/6.5 APO
2021年2月6日 · Post by Ales - iStar Optical on Feb 6, 2021 14:23:46 GMT -5 Another customer from Singapore purchased our newly produced 140 F/6.5 APO triplet and installed the lens in his own OTA. See first test images attached.
R35 optics? | ISTAR Scope Club
2015年8月5日 · Post by Ales - iStar Optical on Aug 5, 2015 15:50:08 GMT -5 Im happy to see another person with an agenda and time and motivation to discuss it here on ISC! First of all, my business address is [email protected] and contact for Mike Harden is [email protected] There is a security reason for not posting our direct addresses on our website.
Low Cost 200mm APO? | ISTAR Scope Club - ProBoards
2012年1月21日 · Post by Ales - iStar Optical on Jan 29, 2012 4:04:45 GMT -5 Josef, the above mentioned design uses a huge FPL51 element. This fact alone puts this lens in the highest price bracket and there wont be much difference in price between 200mm doublet and triplet.
Phantom CFL 170-7 APOTriplet OTA | ISTAR Scope Club - ProBoards
2021年4月11日 · Post by Ales - iStar Optical on Apr 11, 2021 15:54:06 GMT -5 Hello everyone, after successfully designing and building our brand new Phantom CFL 140-6.3 we are now increasing the aperture size to 170mm of clear aperture (178mm lens diameter), designing and producing Phantom's 140s bigger brother.