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)
Automatic Dairy Beverage Filling Machine - Fully Automatic Equipment for Milk, Soy Milk, and Drink Bottling

Automatic Dairy Beverage Filling Machine - Fully Automatic Equipment for Milk, Soy Milk, and Drink Bottling

$1,316.00

Compact Invisible Retainer Case - Leak-Proof Sealed Storage Box for Children's Orthodontic Aligners

Compact Invisible Retainer Case - Leak-Proof Sealed Storage Box for Children's Orthodontic Aligners

$12.50

07521 Scouring Pad Roll for Woodworking, Furniture, Paint Sanding, Metal Deburring, and Brushed Finish - Purple 600 Grit

07521 Scouring Pad Roll for Woodworking, Furniture, Paint Sanding, Metal Deburring, and Brushed Finish - Purple 600 Grit

$81.00

Shiya Insulated Display Cabinet, Constant Temperature Warmer for Commercial Use, Crispy Pork Belly, Roast Duck, Roast Chicken, and Cooked Food

Shiya Insulated Display Cabinet, Constant Temperature Warmer for Commercial Use, Crispy Pork Belly, Roast Duck, Roast Chicken, and Cooked Food

$388.00

Wooden Soap Trimmer with Drawer, Soap Planer and Edge Shaper, Free Shipping

Wooden Soap Trimmer with Drawer, Soap Planer and Edge Shaper, Free Shipping

$32.00

Hell Training Rock Guitar by Shinichi Kobayashi Electric Guitar Textbook Tutorial Speed Picking

Hell Training Rock Guitar by Shinichi Kobayashi Electric Guitar Textbook Tutorial Speed Picking

$106.00

Zhao Mengfu Running-Cursive Calligraphy Copybook - Spring River in the Flower Moon Night Tang Poems for Tracing and Practice

Zhao Mengfu Running-Cursive Calligraphy Copybook - Spring River in the Flower Moon Night Tang Poems for Tracing and Practice

$16.00

Precision Transcription Service for David Tao's 'Small Town Girl' Saxophone Arrangement by Mr. Chui, Three-Piece Set

Precision Transcription Service for David Tao's 'Small Town Girl' Saxophone Arrangement by Mr. Chui, Three-Piece Set

$10.00

CANDLE.LAB | Small Wax Melting Pot 180ml with Stainless Steel Measuring Spoon for DIY Scented Candles 26

CANDLE.LAB | Small Wax Melting Pot 180ml with Stainless Steel Measuring Spoon for DIY Scented Candles 26

$16.00

Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome

Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome

$33,610.00

Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links

Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links

$61.15

[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design

[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design

$12,797.60

Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper

Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper

$4,400.00

HVAC Fan VFD Control Cabinet, Central Air Conditioning Ventilation Equipment with Power Frequency to Variable Frequency Conversion Distribution Panel

HVAC Fan VFD Control Cabinet, Central Air Conditioning Ventilation Equipment with Power Frequency to Variable Frequency Conversion Distribution Panel

$1,238.00

Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass

Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass

$4.93

Imported Automotive Transmission Differential Bearing B39-4 580704A

Imported Automotive Transmission Differential Bearing B39-4 580704A

$338.00

Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter

Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter

$37,500.00

Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box

Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box

$12.78

Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital

Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital

$3,980.00

Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning

Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning

$30.50

Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting

Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting

$4.93

High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler

High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler

$367.30

Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points

Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points

$3.02

Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones

Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones

$1.50

Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones

Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones

$72.00

Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls

Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls

$150.00

5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing

5-Inch Flocked Scouring Pad, Stainless Steel Rust Removal and Polishing Disc, Circular Brush Cloth with Backed Flocking for Polishing

$25.00

High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense

High-Temperature Fire-Resistant Cotton Incense Burner Mat, Flame-Retardant Pad for Stick Incense Boxes and Aromatherapy Burners, Heat Insulation for Burning Incense

$2.98

80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks

80 Pairs Zhuji Ankle Socks, Solid Color All-Season Trendy Student Casual Sports Boat Socks, Disposable Short Socks

$9.14

Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder

Smart Toilet Storage Rack for Bathroom, Multi-Tier Floor-Standing Organizer with Waterproof Tissue Holder

$273.00