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04-13-2019, 03:20 AM   #31
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QuoteOriginally posted by Paul the Sunman Quote
Whatever you do, don't try to carry this monster around your neck with the standard camera strap. I recommend something like a Peak Design or Black Rapid sling strap to take the weight off your neck, and off the lens mount.
I agree, you need it on a shoulder sling of some sort

Optech USA make similar straps

https://optechusa.com/

lots of threads discuss such carrying systems


Last edited by aslyfox; 04-13-2019 at 08:43 AM.
04-14-2019, 05:57 AM   #32
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QuoteOriginally posted by Fobbo Quote
I use a K1 mk II, and I've found that the F* 300 f4.5, FA*300 f4.5, DA* 300 F4, and DFA 150-450 f4.5-5.6 to be what I'd like to use
I'd like some opinions/advice as I doubt I'll be buying more than one long lens at this range (just a hobbyist).

With the weather getting nicer I'd love to try my hands at wildlife photography. I also mostly do handheld shooting, which is kind of important as most of these aren't very light at all.
Any advice on which lens is most suitable is appreciated (or why not to buy any).

Also some specific questions I have:
  1. For people who own longer telephoto lenses (300mm+ ) what situations/subjects do you find yourself using these lenses in?
  2. How often do you use them?
  3. Are FA/F lenses that different to the more modern lenses?
  4. How much of a difference do the coatings/newer AF make (keep in mind I'm not a professional)?
  5. What's the best way to carry lenses of this size/weight around?
There's also the FA* 400mm 5.6 to add to you list.
300mm F*, FA* and DA* delivers mostly the same optical performance.
  1. Animals, street, ,wildlife, nature - anything that can be captured from the longer distance and looks nice as close(r) up
  2. every third time or always when there are animals expected
  3. During use nearly no difference since they all have AF
  4. When using the lens hood, difference in regular weather conditions wouldn't let you feel any difference.
    Older screw drive driven AF-lenses can be faster than SDM from DA* lenses. DA* lenses can be converted to screw drive
  5. Shoulder strap like Sun Sniper or Blackrapid to have the camera ready to use. Shoulder Bag like Maxpedition Mongo Versipack or Lowepro Event Messenger 250

Last edited by angerdan; 04-14-2019 at 06:12 AM.
04-14-2019, 10:00 AM   #33
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there are user reviews of various straps and grips here:

Camera Straps - Pentax Camera Accessory Review Database
4 Days Ago   #34
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Backpacks with top entry option is handy for long lenses. I have an Incase Pro DSLR backpack that fit the 150-450 attached to my K-1 when I rented that lens. Lowepro Protactic Bags and Manfrotto (forgot the exact model name) also have top entry would probably be good. The latter 2 might have a slight edge since they have waist straps.

3 Days Ago   #35
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QuoteOriginally posted by Fobbo Quote
My weight issue isn't usually when I'm using/holding it but the fact that my shoulders get pretty stiff after a day of walking around carrying it.
There's the old adage, "you must suffer for your art". Luckily, over the counter pain killers can help with this!

A true back pack style bag would be a great idea when moving from one location to the next, but if you do not want to spook the critters, you may realize that a 200mm lens does not get you close enough. Either the 400mm, the 150-450 or if you have good credit and can afford the mortgage, a nice 600mm f5.6 will get you in tight!

I occasionally photograph birds out my back window (10 yards max) with a 200-500mm vintage tamron, f5.6. At 500mm it is still not close enough to get the full frame (on my K-1) filled. I add a 1.5 teleconverter to get there. This makes the lens a 300-750 f8! To keep this monster steady, I use it on a tripod with a Manfrotto gimbal mount. This may be too heavy for general walk around field work, so a monopod might be a better choice.
As for the weight you carry, keep carrying it and your body gets used to it. Mainly because you are building up the muscles you are using! You may want to hit the gym if you shoot like this regularly!

Enjoy!
2 Days Ago   #36
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If you want to test the waters, try out a used manual focus A 400mm f/5.6. It is small and light for a lens in this class. I have one bought new back in the film days that I love and cherish.

For wildlife the lack of autofocus is not a deal breaker. Not the last word in IQ compared to modern gear, but if you use it at f/8 or f/11 and refrain from pixel peeping you will be all right. When the time comes to move on, you should get your money back.
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