Skip to main content
Home / Photo Printing Equipment / Automatic Variable Speed Roll Processor Teacher Sheng Darkroom Water Bath Semi-Automatic Film Developing Electric Film Processing

Attributes

Brand -
Category Office Equipment, Supplies & Services / Photo Printing Equipment
Origin -
Brand Teacher Sheng
Processing Type Semi-Automatic Roll Film
Speed Control Variable Speed Motor
Tank Capacity 2 Liters
Compatible Film Formats 35mm, 120, 220
Temperature Range 20°C to 40°C
Power Supply 110V/220V AC
Material Chemical-Resistant Plastic
Dimensions 30cm x 20cm x 25cm
Weight 2.5 kg

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 4/5

Good for beginners and pros

As someone transitioning from hand-processing to machine-assisted, this was the perfect step up. The learning curve is minimal, and the results are professional grade.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for consistent development

This processor has completely changed my darkroom workflow. The variable speed control allows me to fine-tune the agitation for different film stocks, resulting in very consistent negatives.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Solid performance

Does what it says on the tin. The motor is quiet, and the speed adjustment is smooth. Only minor complaint is the power cord could be a bit longer.

A

Anonymous

Mar 17, 2026

Rating: 4/5

Great value for semi-auto processing

Works exactly as described. It's not fully automatic, but the electric motor saves a lot of wrist fatigue compared to manual inversion. The water bath keeps temperatures stable.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Excellent temperature stability

The integrated water bath feature is a game changer for maintaining precise chemical temperatures during long development cycles. Highly recommended for color film work.

A

Anonymous

Mar 09, 2026

Rating: 5/5

Reliable and sturdy

I've processed over 50 rolls of 120 film with this unit without any issues. The build quality is solid, and it handles chemicals well without degrading.

5 FAQ

Q: Can I use this for C-41 color processing?

A: Absolutely. The precise temperature control and consistent agitation make it suitable for C-41 color negative processing as well as black and white.

Q: Can this processor handle 35mm film reels?

A: Yes, this unit is compatible with standard 35mm, 120, and 220 film reels using appropriate tanks.

Q: What is the warranty period for this device?

A: The Teacher Sheng Automatic Variable Speed Roll Processor comes with a standard 1-year manufacturer warranty covering defects in materials and workmanship.

Q: Is a separate heater required for the water bath?

A: No, the unit includes an integrated heating element to maintain the water bath temperature within the specified range.

Q: Does the variable speed affect the agitation intensity?

A: Yes, adjusting the speed changes the rotation rate of the reel, allowing you to control agitation intensity from gentle to vigorous.

Explore your interests

View More
All Categories
Best Seller (30)
New List (30)
Electric Watercolor Spray Pen Children Hand-painted Color Pa

Electric Watercolor Spray Pen Children Hand-painted Color Pa

$46.55

408 Fast-Drying Glue - Strong Low-Whitening Instant Adhesive for Metal and Plastic, Heat Resistant

408 Fast-Drying Glue - Strong Low-Whitening Instant Adhesive for Metal and Plastic, Heat Resistant

$53.12

UE5.1-5.7 Ancient Sci-Fi Gate Model Instrument Consultation

UE5.1-5.7 Ancient Sci-Fi Gate Model Instrument Consultation

$2.00

Biliansheng Hair Transplant - Non-Shave Female Hairline Restoration & Density Enhancement

Biliansheng Hair Transplant - Non-Shave Female Hairline Restoration & Density Enhancement

$19,999.00

Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student

Water Brush Pen Set Large Capacity Beginner Gouache Solid Watercolor Paint Brush Tools Line Drawing Art Student

$32.00

Beginner Watercolor Painting Line Art Coloring Book, Hua Meng Lv Ren by Stan, Fine Texture, 2-Pack Free Shipping

Beginner Watercolor Painting Line Art Coloring Book, Hua Meng Lv Ren by Stan, Fine Texture, 2-Pack Free Shipping

$10.60

New Wanli Tire 265/45R21 SU306+ - Compatible with AITO M7, BYD Tang, Range Rover, Li Auto, and NIO

New Wanli Tire 265/45R21 SU306+ - Compatible with AITO M7, BYD Tang, Range Rover, Li Auto, and NIO

$528.00

Suzhou Factory Wholesale Chain Store Logo - RGB Illuminated Letters, Acrylic Neon Signs for Window and Counter Display

Suzhou Factory Wholesale Chain Store Logo - RGB Illuminated Letters, Acrylic Neon Signs for Window and Counter Display

$1,911.00

RoHS 1.0 Environmental Tester for Alloy Analysis and Heavy Metal Detection in Plastic Toys

RoHS 1.0 Environmental Tester for Alloy Analysis and Heavy Metal Detection in Plastic Toys

$15.30

Mont Marte Long-Handle Bristle Brush – Professional Art Brush for Acrylics, Oil Painting, and Flat Wash Techniques

Mont Marte Long-Handle Bristle Brush – Professional Art Brush for Acrylics, Oil Painting, and Flat Wash Techniques

$37,500.00

Portable Plastic Backpack Fertilizer Bucket for Manual Fruit Picking, Seed Feeding, and PPC Fertilization

Portable Plastic Backpack Fertilizer Bucket for Manual Fruit Picking, Seed Feeding, and PPC Fertilization

$9.50

Chinese-Style Hand-Drawn Plant Line Art Coloring Book on 100% Cotton Watercolor Paper

Chinese-Style Hand-Drawn Plant Line Art Coloring Book on 100% Cotton Watercolor Paper

$15.80

Eagle Brand 99021 Industrial Scouring Pads, Cleaning Cloths, and Polishing Pads Supply

Eagle Brand 99021 Industrial Scouring Pads, Cleaning Cloths, and Polishing Pads Supply

$666.00

Pad Printing Machine Parts - Zhongke 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Frame (In Stock)

Pad Printing Machine Parts - Zhongke 4-Inch Blade Clamp, Blade Holder, and Doctor Blade Frame (In Stock)

$4.50

Pneumatic Throttle Valve Quick Connect Fitting SL4-01/4-02/4-03 Air Pressure Regulator Flow Control Valve

Pneumatic Throttle Valve Quick Connect Fitting SL4-01/4-02/4-03 Air Pressure Regulator Flow Control Valve

$8.60

Pad Printing Silicone Rubber Heads Electric Long Round Square Durable Customizable 30-Year Established Store

Pad Printing Silicone Rubber Heads Electric Long Round Square Durable Customizable 30-Year Established Store

$3.00

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

Specialized Vegetable Growing Box - Foam Balcony Planter, Rectangular Plastic Pot for Home Gardening

$41.70

Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo

Candy Naoko Gujima Mr. Saxophone City Pop Sheet Music with Accompaniment Demo

$37.00

Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)

Multi-Color Detachable Water Bucket Stand - Office Purified Water Dispenser Holder (Inverted)

$60.95

Oil-Based Original Strong Fast-Drying Adhesive for Metal, Plastic, Rubber, Ceramics, and Wood, Multi-Purpose Transparent Glue (Not 502)

Oil-Based Original Strong Fast-Drying Adhesive for Metal, Plastic, Rubber, Ceramics, and Wood, Multi-Purpose Transparent Glue (Not 502)

$21.60

Jay Chou - Feng BROTHER_CHAO Piano Accompaniment Sheet Music

Jay Chou - Feng BROTHER_CHAO Piano Accompaniment Sheet Music

$50.00

Toplip Automatic Retractable Air Hose Reel, Water Drum, High-Pressure Foam Drum for Pneumatic Tools and Auto Repair

Toplip Automatic Retractable Air Hose Reel, Water Drum, High-Pressure Foam Drum for Pneumatic Tools and Auto Repair

$118.00

500L Yogurt Production Line - Stand-Up Pouch Filling Machine with Complete Dairy Processing Equipment and Fermentation Tank

500L Yogurt Production Line - Stand-Up Pouch Filling Machine with Complete Dairy Processing Equipment and Fermentation Tank

$13,720.00

5A Grade Uruguay Natural Deep Purple Amethyst Loose Beads DIY Crystal Accessories Amethyst Loose Round Beads Semi-Finished

5A Grade Uruguay Natural Deep Purple Amethyst Loose Beads DIY Crystal Accessories Amethyst Loose Round Beads Semi-Finished

$1.20

Car Vacuum Cleaner - High Suction, Compact, Silent, and High-Power

Car Vacuum Cleaner - High Suction, Compact, Silent, and High-Power

$68.89

Fifty Seven-Character Quatrains in Wang Xizhi's Running Script Calligraphy

Fifty Seven-Character Quatrains in Wang Xizhi's Running Script Calligraphy

$67.00

Food-Grade Square Retainer Storage Case for Orthodontic Aligners and Dentures

Food-Grade Square Retainer Storage Case for Orthodontic Aligners and Dentures

$6.72

365-Day Electric Guitarist Training Plan by Toshiro Miyako – Rock Electric Guitar Chinese Tutorial

365-Day Electric Guitarist Training Plan by Toshiro Miyako – Rock Electric Guitar Chinese Tutorial

$53.00

Portable Invisible Aligner Case - Compact Breathable Box for Orthodontic Retainers, Dentures, and Cleaning Storage

Portable Invisible Aligner Case - Compact Breathable Box for Orthodontic Retainers, Dentures, and Cleaning Storage

$18.80

Makeup Room Shelf Triangle Bathroom Corner Storage Rack No-Drill Wall-Mounted Vanity Organizer

Makeup Room Shelf Triangle Bathroom Corner Storage Rack No-Drill Wall-Mounted Vanity Organizer

$23.82