I find that a stout ball head works fine for shooting birds. My D FA 150-450 
plus DA 1.4X on the K-1 with battery grip balances nicely and the ball head 
allows ample movement. My Arca plate is long enough to allow about an inch of 
adjusts.

Paul

> On Dec 28, 2020, at 1:00 PM, Sasha Sobol <[email protected]> wrote:
> 
> Wibmerly mh-100 is not very expensive (this my main “ball head” now).
> 
> Sasha
> 
>> On Mon, Dec 28, 2020 at 9:48 AM Godfrey DiGiorgi <[email protected]>
>> wrote:
>> 
>> I don't worry too much about the balance. If you have a ball head capable
>> of properly supporting a longish lens, it should lock securely no matter
>> what.
>> 
>> A ball head is not generally the best for a long tele lens. I've used one
>> with my mirror 600mm because it's light and short, but it's suboptimal. The
>> one I like to use the most is the Arca-Swiss Monoball P0 Hybrid ... this
>> allows me to rough in a position and then adjust the position with
>> precision using the two goniometers and rotating top mount. But it's an
>> expensive head (about $900). It works well for astrophotography of bright
>> subjects (the Moon and Jupiter, for example) where I can usually get away
>> with a sunlight exposure... If I were doing long exposures with dim
>> subjects, I'd buy an equatorial clock drive mount.
>> 
>> For a 400-600 mm refractor lens like the big Pentax guns, a gimbal mount
>> is the right support. And with these, getting the balance point adjusted
>> close to the center of mass makes it easier to control them as they are
>> designed for movement and panning ... a long mounting plate helps. (The
>> plate I have for my Olympus 50-200mm lens (often used with the matched 1.4x
>> teleconverter so an effective 560ish mm lens) is about seven inches long
>> because that lens telescopes about 5 inches through the zoom range and I
>> often want to adjust it if I'm trying to track a moving subject. I use the
>> Acratech GP1 head in a "limited" gimbal mount orientation for that lens.
>> 
>> G
>> --
>> PDML Pentax-Discuss Mail List
>> [email protected]
>> http://pdml.net/mailman/listinfo/pdml_pdml.net
>> to UNSUBSCRIBE from the PDML, please visit the link directly above and
>> follow the directions.
>> 
> -- 
> --Sasha (from phone)
> -- 
> PDML Pentax-Discuss Mail List
> [email protected]
> http://pdml.net/mailman/listinfo/pdml_pdml.net
> to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
> the directions.


-- 
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
to UNSUBSCRIBE from the PDML, please visit the link directly above and follow 
the directions.

Reply via email to