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10-02-2007, 07:13 PM   #16
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Thanks to the Stobist.com (David Hobby) blog site, I become a convert to manual (and off camera flash).

Based on the favorable comments on David Hobby's site, I bought the Vivitar 285HV. The general street price seems to be $90US ($89.95 at B&H). I could not be more pleased and will be adding two more to my kit...three flashes for less that the price of one high end name brand flash.

The auto performance is also very good but I mostly use the manual settings which go form Full to 1/2, 1/4 & 1/8.

Added notes:

1. With NiMH batteries the recycle performance is much improved.
2. The 4AA batteries are held in a plastic clip....extra clips are available and spped up battery changes.
3. For maximum performance the flash should be charged and flashed 4 or 5 time at the beginning of a session.
4. It works reliably with the eBay 16 channel RD616 radio slave set, providing the capacitors are formed (see 3 above).
5. The the 16 channel trigger connection can be improve by a FlashZebra.com connector which mates to the Vivitar proprietary cable connection and has a 1/4 phono to mate with Pocket Wizard, MicroSynch and the RD616 triggers.

Although many complain about the Vivitar connection it is a vast improvement over the standard PC connector.

Added note: The radio slave model number is RD616; the matching radio trigger is model number RF616...the box for the set is label in chinese and does seem to have ay arabic numerals model number on it.


Last edited by dmdctusa; 10-03-2007 at 06:19 PM.
10-03-2007, 06:00 PM   #17
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Thanks for detailed information

QuoteOriginally posted by dmdctusa Quote
Thanks to the Stobist.com (David Hobby) blog site, I become a convert to manual (and off camera flash).

Based on the favorable comments on David Hobby's site, I bought the Vivitar 285HV. The general street price seem to be $90US ($89.95 at B&H). I could not be more pleased and will be adding two more to my kit...three flashes for less that the price on one high end name brand flash.

The auto performance is also very good but I mostly use the manual setting which go form Full to 1/2, 1/4 & 1/8.

Added notes:

1. With NiMH batteries the recycle performance is much improved.
2. The 4AA batteries are held in a plastic clip....extra clips are available and spped up battery changes.
3. For maximum performance the flash should be charged and flashed 4 or 5 time at the beginning of a session.
4. It works reliably with the eBay 16 channel RD616 radio slave set, providing the capacitors are formed (3 above).
5. The the 16 channel trigger connection can be improve by a FlashZebra.com connector which mates to the Vivitar
proprietary cable connection and has a 1/4 phono to mate with Pocket Wizard, MicroSynch and the RD616 triggers.

Although many complain about the Vivitar connection is a vast improvement over the standard PC connector.
Thank you so much for the detailed information on Vivitar 285HV. It is one of the three alternative flashes that I consider -- vivitar 285HV, sunpack 383 and Metz 36-C2.

Regards,
Hin
10-03-2007, 06:20 PM   #18
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Please see the note I added to my Vivitar 285HV post above re the eBay trigger model numbers.
10-07-2007, 08:05 PM   #19
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Here we have day and night.

Exposure info: Day - 21mm, 1/10 sec, F5.6, sensitivity 400.


Night - 18mm, 2 seconds, F5.6 sensitivity 400.


Camera on a tripod for both, naturally.

Mike

10-07-2007, 08:23 PM   #20
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And another night exposure.

In the first one, the camera recommended 1 second. Sensitivity 400 in aperture priority mode. 18mm and F5.6 for all.

In the second one, I tried 2 seconds.

In the third one, I used 4 seconds.


I think the second photo conveys the feeling of the night best.

Mike
10-12-2007, 06:19 AM   #21
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I really like the 18-55 kit except for the huge vignetting at 18mm, even when stopped down to f8
I have to admit it's a minor issue, since it's easily corrected by the Pentax Photo Laboratory, but it's annoying...

maurizio
10-12-2007, 07:48 AM   #22
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Great set of photos & for sure very good for a kit lens

Must admit that Iwasn't happy with mine for landscape work (maybe a bad copy) & quickly replaced it with the Sigma 17-70, which is a great lens

simon
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