is it made for professionals to use or just hobbyist? I saw i can buy a good assortment of lens with it but has anyone compared it to other models?

I use a Canon eos 20d at work, but dont have the funds to buy my own for side jobs.

• Keeps the music playing on your Sandisk Sansa MP3 players with this replacement battery.
• Just unscrew the back cover to replace the old battery
• Installation is quick and effortless!
• This is a high capacity / rechargeable Li-Ion (Lithium Ion) battery with premium cell.
• Compatible with:SanDisk Sansa e200 series MP3 players E200 / E250 / E250R / E260 / E270 / E280

Product Description
Keeps the music playing on your Sandisk Sansa MP3 players with this replacement battery. Just unscrew the back cover to replace the old battery Installation is quick and effortless! This is a high capacity / rechargeable Li-Ion (Lithium Ion) battery with premium cell. Voltage: 3.7 V Accessory ONLY. sansa not included Compatible with:SanDisk Sansa e200 series MP3 players E200 / E250 / E250R / E260 / E270 / E280… More >>

Li-Ion Replacement Battery for Sandisk Sansa e200 Series

• Cell:9 Color:Black Type:Li-ion Capacity(mAh) 6600
• Fit model: Dell Inspiron 1525 1526
• Replacement For: RN873 GP952 M911 X284G
• Fit Machine Models: Inspiron 1525 1526 Series
• All of Agptek batteries comply with ROHS and CE quality testing standards, and come with Full 1 Year warranty.
• We have liability insurance coverage for any product damages up to $3,000,000USD so You will feel at ease with buying from us.

Product Description
[Name] Battery For Dell Inspiron 1525 1526
[Fit model] Dell Inspiron 1525 1526
[Replace] RN873
[Voltage(V)] 11.1
[Capacity(mAh)] 6600
[Cell] 9
[Color] Black
[Type] Li-ion
Replacement For:
RN873
GP952
M911
X284G
Fit Machine Models:
Inspiron 1525 1526 Series
—–> A high quality battery has stable outcome and good endurance. It does not only provide a stable working environment, but also enhances the mobility of the laptop. Inferior” batteries, not only short-lived, and even extremely vulnerable to overheating, fire phenomenon, which eventually leads to the explosion of the entire notebook, burning, and even greater disaster and loss. Our batteries are in high grade quality and certified by CE and RoHS. You can reassure of purchasing it!… More >>

Super-Capacity Li-ion Battery For Dell Inspiron 1525 1526 series replace RN873 GP952 M911 X284G series Ac Laptop Notebook Main Battery Other products by AGPtek

• Battery Type: Li-ion | Voltage: 10.80V | Capacity: 8800mAh
• Color: Black | Dimension: 205.20 x 59.20 x 37.50 mm
• Compatible Part Numbers: 367759-001, 367760-001, 383492-001, 383493-001, 391883-001, 394275-001, 395751-321, 396600-001, 398065-001, 398752-001, 398832-001, HSTNN-DB10, HSTNN-DB17, HSTNN-IB09, HSTNN-IB10, HSTNN-IB17, HSTNN-LB09, HSTNN-LB17, HSTNN-MB09, HSTNN-MB10, HSTNN-OB17, HSTNN-UB09, HSTNN-UB17, PB995A, PF723A, PM579A
• Fit Models:HP Special Edition L2000, G3000 Series, G5000 Series, HP Pavilion DV1000, DV1200, DV1300, DV1400, DV1500, DV1600, DV1700, DV4000, DV4100, DV4300, DV4400, DV5000, DV5100, DV5200, ZE2000, ZE2000T, ZE2000Z, ZE2100, ZE2200, ZE2300, ZE2400, ZT4000 Series Laptop
• Product Type: Replacement Battery (Brand New),1 year warranty!

Product Description
* Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.
Compatible Part Numbers:
367759-001, 367760-001, 383492-001, 383493-001, 391883-001, 394275-001, 395751-321, 396600-001, 398065-001, 398752-001, 398832-001, HSTNN-DB10, HSTNN-DB17, HSTNN-IB09, HSTNN-IB10, HSTNN-IB17, HSTNN-LB09, HSTNN-LB17, HSTNN-MB09, HSTNN-MB10, HSTNN-OB17, HSTNN-UB09, HSTNN-UB17, PB995A, PF723A, PM579A.
Fit Models(fits selected models only):
HP Special Edition L2000, G3000 Series, G5000 Series, HP Pavilion DV1000, DV1200, DV1300, DV1400, DV1500, DV1600, DV1700, DV4000, DV4100, DV4300, DV4400, DV5000, DV5100, DV5200, ZE2000, ZE2000T, ZE2000Z, ZE2100, ZE2200, ZE2300, ZE2400, ZT4000 Series Laptop… More >>

12-cell 10.80V Li-ion 8800mAh,Hi-quality Battery for HP Special Edition L2000, G3000 Series, G5000 Series, HP Pavilion DV1000, DV1200, DV1300, DV1400, DV1500, DV1600, DV1700, DV4000, DV4100, DV4300, DV4400, DV5000, DV5100, DV5200, ZE2000, ZE2000T, ZE2000Z, ZE2100, ZE2200, ZE2300, ZE2400, ZT4000 Series Laptop,Compatible Part Numbers: 367759-001, 367760-001, 383492-001, 383493-001, 391883-001, 394275-001, 395751-321, 396600-001, 398065-001, 398752-001, 398832-001, HSTNN-DB10, HSTNN-DB17, HSTNN-IB09, HSTNN-IB10, HSTNN-IB17, HSTNN-LB09, HSTNN-LB17, HSTNN-MB09, HSTNN-MB10, HSTNN-OB17, HSTNN-UB09, HSTNN-UB17, PB995A, PF723A, PM579A Battery

• Rechargeable Batteries For Mdllxt210, Mdllxt310, Mdllxt410 & Gxt Series 2-Way Radios

Product Description
Rechargeable Batteries for MDLLXT210, MDLLXT310, MDLLXT410 & GXT Series 2-Way Radios… More >>

MIDLAND MDLAVP7 Rechargeable Batteries for MDLLXT210, MDLLXT310, MDLLXT410 & GXT Series 2-Way Radios

• Sold Individually

Product Description
Panasonic’s vision of the digital future is driven by the needs and aspirations of its business customers and millions of consumers around the world who use its products every day. The company shares their dream to live a fuller life by providing ways of working smarter and enjoying the rewards of technological advances…. More >>

Panasonic PT-D5500 SERIES OPTIONAL LENS

• 1.7x Magnification – Zoom Through

Product Description
The Canon wide-converter WD-H43 decreases the focal length of your lens by 0.7x for a wider angle of view…. More >>

Canon TL-H43 Tele-Converter Lens for the Canon HV Series Camcorders

• Autoflash Speedlite compatible with Canon EOS SLR cameras
• Accurate exposure with E-TTL II evaluative flash metering
• High output with maximum guide number 58 at 105mm setting
• Autozoom and color temperature information for improved flash
• Fully featured wireless flash capability with built-in slave and transmitter

Product Description
Combining the strengths of its predecessor 550EX while providing additional functions at higher speeds, the SPEEDLITE 580EX is Canon’s new flagship flash unit featuring a higher maximum guide number, shorter recycle time, autozoom control for image sensor size, and design improvements for easier handling by digital SLR users ranging from professional to advanced amateur…. More >>

Canon Speedlite 580EX Flash for Canon Pro1, Pro 90, G Series, and EOS SLR Digital Cameras

• Cell:9 Color:Black Type:Li-ion Capacity(mAh) 7200,Fit model: Dell Inspiron 1525 1526
• Replacement For: RN873 GP952 M911 X284G
• Fit Machine Models: Inspiron 1525 1526 Series
• Please make sure that the battery part numbers listed in the description matches the battery part number on your original battery
• All of Agptek batteries comply with ROHS and CE quality testing standards, and come with Full 1 Year warranty.
• We have liability insurance coverage for any product damages up to $3,000,000USD so You will feel at ease with buying from us.

Product Description
[Name] Battery For Dell Inspiron 1525 1526
[Fit model] Dell Inspiron 1525 1526
[Replace] RN873
[Voltage(V)] 11.1
[Capacity(mAh)] 7200
[Cell] 9
[Color] Black
[Type] Li-ion Replacement For: GP952
0GW252
GW252
RU586
312-0626
312-0634
0XR693
312-0625
312-0633
GW240
HP297
RN873
XR693 Fit Machine Models: Inspiron 1525 1526 Series
—–> A high quality battery has stable outcome and good endurance. It does not only provide a stable working environment, but also enhances the mobility of the laptop. Inferior” batteries, not only short-lived, and even extremely vulnerable to overheating, fire phenomenon, which eventually leads to the explosion of the entire notebook, burning, and even greater disaster and loss. Our batteries are in high grade quality and certified by CE and RoHS. You can reassure of purchasing it! … More >>

AGPtek Li-ion Battery For Dell Inspiron 1525 1526 series replace RN873 GP952 M911 X284G series Ac Laptop Notebook Main Battery

Product Description
The Color Conversion Filters enable significant adjustments in the color temperature of the illumination as required (e.g., daylight to artificial light)…. More >>

Kodak Wratten Gelatin Filter 75mm/3×3″ Blue Series Color Conversion #80B