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  1. #11
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    I received the binoculars relay this week, but it needed to be collimated. Then I returned and yesterday the new one arrived. As far as I can tell it is ok; I hope to be able to try it tonight.
    Thank you for all the advices. After using a few times I'll write my experience.

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    Hi Ricardo,

    The Pentax 12x50s are comfortable binoculars to use. Nice and light.
    WO Megrez 90mm, Celestron C6 SCT
    SW 100mm ED, SW 200mm, Vixen GPD2
    Nikon Action EX 8x40, Pentax PCF II 12x50
    Fujinon
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  3. #13
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    Quote Originally Posted by rsousa View Post
    I received the binoculars relay this week, but it needed to be collimated. Then I returned and yesterday the new one arrived. As far as I can tell it is ok; I hope to be able to try it tonight.
    Thank you for all the advices. After using a few times I'll write my experience.
    The collimation problem seems to be very widespread, incredible!

    Wishing you more luck with your replaced bino,

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS;
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  4. #14
    rsousa's Avatar
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    The new is better collimated, but it still needs some work. Since this is my first binoculars, I don't really know what to expect. However, stars don't look perfect pinpoints. When out of focus, they don't show a circular form, but rather form an elipse (either vertical or horizontal, depending if the focus is before or further). When I keep one eyepiece out of focus, the star (in focus) doesn't stay on the center of the "blurred star". I thought both images should be perfectly aligned.
    One option is to contact pentax and send to them for collimation, but i suspect this would take a few weeks and I don't want to wait that long. Alternatively, I can return it and buy a different model.
    Any suggestion?

    Ricardo

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    ED 80mm f/7.5, Orion Newt. 203mm f/3.9,
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  5. #15
    rsousa's Avatar
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    I tried it a little longer and it is indeed out of collimation. Since it was the second pair (both bought from amazon), I'm not going to try a 3rd.

    Clear skies,
    Ricardo

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    ED 80mm f/7.5, Orion Newt. 203mm f/3.9,
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  6. #16
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    I would think that without a tripod of some sort that you'd experience more shake than you would want with the 10x or 12x. The 9x63 sounds like a good combination. I have a pair of 7x50s and they don't seem too bad as far as shake goes and still offer pretty good views.
    Dale

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    SkyView Pro 8" (203mm) Equatorial Reflector, 1000mm
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    , f/4.9.
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  8. #17
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    I have a pair of 10X50s and 12X60s. I hand hold both. I don't think I would want to handhold anything larger. If I had my choice I think I might like to try out the 9X63. I don't think the shake necessarily comes because the binoculars are so heavy. I think part of it comes because of the higher magnification.
    Rob
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    Current Projects: nothing organized, just preparing for retirement in a few years
    Main Scopes: Orion XT10, Dob / ES ED80T / Orion 90mm Mak-Cass / 50 mm Galileoscope refractor / Celestron 8" SCT / Orion Sirius Mount / Various cameras and lenses

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  10. #18
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    Hello Ricardo,

    I have checked the Pentax binoculars in the Media Market - they have seemed to be o.k.
    I have never purchased equipment from amazon, just some books. They may sell items from shipments which may have experienced some heavy collisional accidents, as it is not easy to bring a realtively sturdy Pentax bino out of collimation. Some dealers, like Garrett, check the binoculars to get them passed before delivery. Like most of the old-fashioned people, I drive to the dealer's shop to pick up my equipments, to unpack, and to check,but never have had a bad experience.

    I am feeling with you,

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS;
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  12. #19
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    I'd go ahead and take a serious look at the Garrett Gemini series. If those are too pricey, try the 15x70 or 9x63 Celestron Skymasters.

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  13. #20
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    Hi everyone!

    I agree that it is always better to go in person to buy, but I couldn't find any "astroshop" here in Boston. I may find some binoculars in cameras shop, but they are usually more expensive. Amazon is selling the pentax pcf much cheaper than other online retailers (around $135) and I decided to try, but is wasn't worth. I wonder if I just had bad luck.
    I'm a completely beginner, but just want to describe a little better my experience:
    1st unit - it was clearly out of collimation; I just needed to put it away a few centimeters to note a break in the horizontal line.
    2nd unit - the lack of collimation wasn't that evident and during the day it wasn't a big deal. However, when I started to look the night sky it was really annoying. I couldn't see the star as pin points and while playing with the focus the out of focus images where elliptical (oval?). I think this is a sign of astigmatism, right? I also tested using different focus for each eyepiece to check if the images would be aligned, but they were not. I'm not sure if I'm doing something wrong, but I didn't want to keep asking for replacements.

    I'll order from Garrett. At least they seem to have a good quality control and the gemini line has a good price. I understand that the signature is better, but the difference in price would allow me to save a little bit for a better eyepiece for my refractor.

    Thanks for all replies!
    Ricardo

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