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pixseal

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Posts posted by pixseal

    EOS 3 focusing screens...

    in Canon EOS Mount

    Posted

    The focusing screens are the same ones** that can be used on the EOS

    1, EOS 1N, EOA 1NRS, and EOS 1V.<P>

    ** there are some specific to certain models, but are technically

    interchangeable anyway. The ones helpful for manual focusing are a

    absolutely identical:

    <UL>

    <LI>Ec-A (microprism)</LI>

    <LI>Ec-B (new split)</LI>

    <LI>Ec-I (double cross-hair recticle)</LI>

    <LI>Ec-L (cross-split image)</LI>

    </UL>

    380EX Pre-flash...

    in Canon EOS Mount

    Posted

    <i>Don't ever attach the 199A units to your EOS body without a voltage

    reducing device.</i><i></i>

    <p>Not so - the 199A trigger voltage is safe for use on EOS bodies.

    From the Canon <u>Speedlite Reference Guide</u> (1991):

    <blockquote> Older (non-TTL) Canon Speedlites:

    <p>This includes 577G, 533G, 299T, 277T, 244T, 199A, 188A, 177A, 166A,

    155A, 133A, & 011A. These flash units, though dedicated for older

    Canon SLRs, are not fully dedicated for the T90 or any of the EOS

    cameras. However, they can be used with the T90, EOS-1, RT, 10s, 630,

    Rebel, 620 & 650, by selling the camera's shutter speed and

    aperture manually. (Shutter speed will be automatically limited to

    maximum sync speed* or you can set a lower speed manually.) Automatic,

    non-TTL flash exposure is possible by setting the Speedlite to an

    automatic mode and setting the recommended lens aperture

    yourself.</blockquote>

    The advice of the use of a TTL Hot Shoe Adapter is good, although and

    older, second-hand HSA (original) or HSA-2 would suffice. 

    Probably the best solution is to mount one of the 199A's on the EOS

    body (set shutter speed and aperture manually) and the other 199A and

    380EX on the slave triggers.

    Impact of feeder on hummingbirds

    in Nature

    Posted

    My personal observations:<P>

    <UL>

    <LI>Annas are year-round inhabitants even as far north as the Bay Area.</LI>

    <LI>The only time I've seen a cat kill a hummingbird was when a bird came into our patio and tried to get out through a glass window... the cat had the trapped bird in a split second. I think that 70" is plenty high for the birds' safety - provided that they are not cornered on 3 sides.</LI>

    <LI>"My" birds have several feeders to choose from and use of the flash does not seem to chase them to the feeders without flash.</LI>

    </UL>

    <P><A HREF="http://mate.kjsl.com/~dave/hummingbirds/hummingbirds.html">http://mate.kjsl.com/~dave/hummingbirds/hummingbirds.html</A>

    Alaska cruise bear tour

    in Nature

    Posted

    Its my understanding that July and August are prime salmon season (and therefore prime bear season). My sister and her family took a float-plane "tour" out of Ketchikan to Neets Bay (<A HREF="http://agdc.usgs.gov/data/usgs/geodata/drg/temp/drglist_K.html"><B>Ketchikan D-5</B></A>). They saw lots of brown bears and shot lots of video to prove it. Scenes they easily captured included bears sqashing the fish and eating the roe as it squirted out. (I was on the same Princess Cruise, but didn't take that tour.)

    Will the 300TL work with the proper extension cords and a 550EX?

    in Nature

    Posted

    The Canon off-camera cords for the T90 (TTL distributer, Off-Camera Shoe, Hot Shoe Adapter) are 100% compatible with EOS bodies. You can mix and match the 300TL or any EOS speedlite. All speedlites will revert to "simple" TTL - no A-TTL, E-TTL, FEL or 2nd curtain sync. Flash exposure compensation will be possible only when set on the EOS 3. FWIW, I've mixed EOS speedlites with 300TL's and used them with both the T90 and EOS bodies.

    Where to buy parts for Canon EOS

    in Canon EOS Mount

    Posted

    Call the general Canon phone number (800-828-4040) and ask for the

    parts department. Or, alternately, ask if your local repair station

    can sell you the parts. FYI, I ordered owner's manuals through the

    parts department for much less that the standard $7 they charge

    through the service line.

    Elan IIE and 550Ex, 420EX, wireless

    in Canon EOS Mount

    Posted

    All type "A" EOS bodies (1V, 3, 50E, 500N, 300, and variants) can use

    wireless E-TTL flash (including FP flash). All type "A" EOS bodies

    can use the 550EX (or the ST-E2 and MR-14EX) as a master and use one

    or more 550EX or 420EX as a slave. However, only the EOS 1V and EOS 3

    are capable of ratio control and modelling light.

     

    <p>

     

    The only speedlites (Canon or otherwise) that I know of which are

    capable of being a wireless E-TTL slave are the 550EX and 420EX.

    multiple 550EX's

    in Canon EOS Mount

    Posted

    The ST-E2 on-camera provides for only two groups for ratio control,

    while a 550Ex on-camera provides up to three groups. But, you have

    only two speedlites...<P>

    For my use (hummingbirds), I usually use one 550EX on camera for main

    lighting and off-camera units for side and background fill.

    Lake Tahoe locations

    in Nature

    Posted

    <BLOCKQUOTE><I>What are your favorite spots for landscapes?</I></BLOCKQUOTE>

    Drive around the lake; there are many photo ops. If the Heavenly lift is still open, try some high-altitude/sunset pix.

    <BLOCKQUOTE><I>Any fall color this weekend?</I></BLOCKQUOTE>

    The Sierras forests are mostly evergreen conifers, but you might try the Truckee River on the north shore.

    <BLOCKQUOTE><I>What kind of wildlife are most common?</I></BLOCKQUOTE>

    Mostly squirrels and birds...I've not seen many large mammals in the Tahoe region.

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